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MC68711E20CFNE3

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MC68711E20CFNE3

For Reference Only

Part Number MC68711E20CFNE3
Manufacturer NXP
Description IC MCU 8BIT 20KB OTP 52PLCC
Datasheet MC68711E20CFNE3 Datasheet
Package 52-LCC (J-Lead)
In Stock 2,704 piece(s)
Unit Price $ 34.8861 *
Lead Time Can Ship Immediately
Estimated Delivery Time Aug 9 - Aug 14 (Choose Expedited Shipping)
Request for Quotation

Part Number # MC68711E20CFNE3 (Embedded - Microcontrollers) is manufactured by NXP and distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

For MC68711E20CFNE3 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add MC68711E20CFNE3 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of MC68711E20CFNE3.

MC68711E20CFNE3 Specifications

ManufacturerNXP
CategoryIntegrated Circuits (ICs) - Embedded - Microcontrollers
Datasheet MC68711E20CFNE3Datasheet
Package52-LCC (J-Lead)
SeriesHC11
Core ProcessorHC11
Core Size8-Bit
Speed3MHz
ConnectivitySCI, SPI
PeripheralsPOR, WDT
Number of I/O38
Program Memory Size20KB (20K x 8)
Program Memory TypeOTP
EEPROM Size512 x 8
RAM Size768 x 8
Voltage - Supply (Vcc/Vdd)4.5 V ~ 5.5 V
Data ConvertersA/D 8x8b
Oscillator TypeInternal
Operating Temperature-40°C ~ 85°C (TA)
Mounting Type-
Package / Case52-LCC (J-Lead)
Supplier Device Package52-PLCC (19.1x19.1)

MC68711E20CFNE3 Datasheet

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HC11 Microcontrollers freescale.com M68HC11E Family Data Sheet M68HC11E Rev. 5.1 07/2005

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Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. © Freescale Semiconductor, Inc., 2005. All rights reserved. MC68HC11E Family Data Sheet To provide the most up-to-date information, the revision of our documents on the World Wide Web will be the most current. Your printed copy may be an earlier revision. To verify you have the latest information available, refer to: http://freescale.com/ The following revision history table summarizes changes contained in this document. For your convenience, the page number designators have been linked to the appropriate location.M68HC11E Family Data Sheet, Rev. 5.1 Freescale Semiconductor 3

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Revision HistoryRevision History Date Revision Level Description Page Number(s) May, 2001 3.1 2.3.3.1 System Configuration Register — Addition to NOCOP bit description 44 Added 10.21 EPROM Characteristics 175 June, 2001 3.2 10.21 EPROM Characteristics — For clarity, addition to note 2 following the table 175 December, 2001 3.3 7.7.2 Serial Communications Control Register 1 — SCCR1 bit 4 (M) description corrected 110 July, 2002 4 10.7 MC68L11E9/E20 DC Electrical Characteristics — Title changed to include the MC68L11E20 153 10.8 MC68L11E9/E20 Supply Currents and Power Dissipation — Title changed to include the MC68L11E20 154 10.10 MC68L11E9/E20 Control Timing — Title changed to include the MC68L11E20 157 10.12 MC68L11E9/E20 Peripheral Port Timing — Title changed to include the MC68L11E20 163 10.14 MC68L11E9/E20 Analog-to-Digital Converter Characteristics — Title changed to include the MC68L11E20 167 10.16 MC68L11E9/E20 Expansion Bus Timing Characteristics — Title changed to include the MC68L11E20 169 10.18 MC68L11E9/E20 Serial Peirpheral Interface Characteristics — Title changed to include the MC68L11E20 172 — Title changed to include the MC68L11E20 175 11.4 Extended Voltage Device Ordering Information (3.0 Vdc to 5.5 Vdc) — Updated table to include MC68L1120 181 June, 2003 5 Format updated to current publications standards Throughout 1.4.6 Non-Maskable Interrupt (XIRQ/VPPE) — Added Caution note pertaining to EPROM programming of the MC68HC711E9 device only. 23 6.4 Port C — Clarified description of DDRC[7:0] bits 100 10.21 EPROM Characteristics — Added note pertaining to EPROM programming of the MC68HC711E9 device only. 175 July, 2005 5.1 Updated to meet Freescale identity guidelines. ThroughoutM68HC11E Family Data Sheet, Rev. 5.1 4 Freescale Semiconductor

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List of Chapters Chapter 1 General Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13 Chapter 2 Operating Modes and On-Chip Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29 Chapter 3 Analog-to-Digital (A/D) Converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57 Chapter 4 Central Processor Unit (CPU) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65 Chapter 5 Resets and Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79 Chapter 6 Parallel Input/Output (I/O) Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97 Chapter 7 Serial Communications Interface (SCI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .105 Chapter 8 Serial Peripheral Interface (SPI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .119 Chapter 9 Timing Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .127 Chapter 10 Electrical Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .149 Chapter 11 Ordering Information and Mechanical Specifications . . . . . . . . . . . . . . . . . .177 Appendix A Development Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .187 Appendix B EVBU Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .191 AN1060 — M68HC11 Bootstrap Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .193 EB184 — Enabling the Security Feature on the MC68HC711E9 Devices with PCbug11 on the M68HC711E9PGMR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .229 EB188 — Enabling the Security Feature on M68HC811E2 Devices with PCbug11 on the M68HC711E9PGMR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .233 EB296 — Programming MC68HC711E9 Devices with PCbug11 and the M68HC11EVBU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .237M68HC11E Family Data Sheet, Rev. 5.1 Freescale Semiconductor 5

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List of ChaptersM68HC11E Family Data Sheet, Rev. 5.1 6 Freescale Semiconductor

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Table of Contents Chapter 1 General Description 1.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 1.2 Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 1.3 Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 1.4 Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 1.4.1 VDD and VSS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 1.4.2 RESET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 1.4.3 Crystal Driver and External Clock Input (XTAL and EXTAL) . . . . . . . . . . . . . . . . . . . . . . . . 22 1.4.4 E-Clock Output (E) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 1.4.5 Interrupt Request (IRQ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 1.4.6 Non-Maskable Interrupt (XIRQ/VPPE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 1.4.7 MODA and MODB (MODA/LIR and MODB/VSTBY) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 1.4.7.1 VRL and VRH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 1.4.8 STRA/AS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 1.4.9 STRB/R/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 1.4.10 Port Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 1.4.10.1 Port A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 1.4.10.2 Port B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 1.4.10.3 Port C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 1.4.10.4 Port D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 1.4.10.5 Port E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Chapter 2 Operating Modes and On-Chip Memory 2.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 2.2 Operating Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 2.2.1 Single-Chip Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 2.2.2 Expanded Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 2.2.3 Test Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 2.2.4 Bootstrap Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 2.3 Memory Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 2.3.1 RAM and Input/Output Mapping. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 2.3.2 Mode Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 2.3.3 System Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 2.3.3.1 System Configuration Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 2.3.3.2 RAM and I/O Mapping Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 2.3.3.3 System Configuration Options Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 2.4 EPROM/OTPROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 2.4.1 Programming an Individual EPROM Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 2.4.2 Programming the EPROM with Downloaded Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48M68HC11E Family Data Sheet, Rev. 5.1 Freescale Semiconductor 7

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Table of Contents2.4.3 EPROM and EEPROM Programming Control Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 2.5 EEPROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 2.5.1 EEPROM and CONFIG Programming and Erasure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 2.5.1.1 Block Protect Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 2.5.1.2 EPROM and EEPROM Programming Control Register . . . . . . . . . . . . . . . . . . . . . . . . . . 53 2.5.1.3 EEPROM Bulk Erase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 2.5.1.4 EEPROM Row Erase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 2.5.1.5 EEPROM Byte Erase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 2.5.1.6 CONFIG Register Programming. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 2.5.2 EEPROM Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 Chapter 3 Analog-to-Digital (A/D) Converter 3.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 3.2 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 3.2.1 Multiplexer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 3.2.2 Analog Converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 3.2.3 Digital Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 3.2.4 Result Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 3.2.5 A/D Converter Clocks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 3.2.6 Conversion Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 3.3 A/D Converter Power-Up and Clock Select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 3.4 Conversion Process. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61 3.5 Channel Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61 3.6 Single-Channel Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61 3.7 Multiple-Channel Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 3.8 Operation in Stop and Wait Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 3.9 A/D Control/Status Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 3.10 A/D Converter Result Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64 Chapter 4 Central Processor Unit (CPU) 4.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 4.2 CPU Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 4.2.1 Accumulators A, B, and D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 4.2.2 Index Register X (IX) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 4.2.3 Index Register Y (IY) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 4.2.4 Stack Pointer (SP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 4.2.5 Program Counter (PC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 4.2.6 Condition Code Register (CCR). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 4.2.6.1 Carry/Borrow (C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 4.2.6.2 Overflow (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 4.2.6.3 Zero (Z). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 4.2.6.4 Negative (N) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 4.2.6.5 Interrupt Mask (I) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 4.2.6.6 Half Carry (H) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 4.2.6.7 X Interrupt Mask (X) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 4.2.6.8 STOP Disable (S) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69M68HC11E Family Data Sheet, Rev. 5.1 8 Freescale Semiconductor

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4.3 Data Types. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 4.4 Opcodes and Operands. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 4.5 Addressing Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 4.5.1 Immediate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 4.5.2 Direct . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 4.5.3 Extended . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 4.5.4 Indexed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 4.5.5 Inherent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 4.5.6 Relative . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 4.6 Instruction Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 Chapter 5 Resets and Interrupts 5.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79 5.2 Resets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79 5.2.1 Power-On Reset (POR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79 5.2.2 External Reset (RESET) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80 5.2.3 Computer Operating Properly (COP) Reset. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80 5.2.4 Clock Monitor Reset. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81 5.2.5 System Configuration Options Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82 5.2.6 Configuration Control Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83 5.3 Effects of Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83 5.3.1 Central Processor Unit (CPU) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83 5.3.2 Memory Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84 5.3.3 Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84 5.3.4 Real-Time Interrupt (RTI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84 5.3.5 Pulse Accumulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84 5.3.6 Computer Operating Properly (COP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84 5.3.7 Serial Communications Interface (SCI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84 5.3.8 Serial Peripheral Interface (SPI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84 5.3.9 Analog-to-Digital (A/D) Converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85 5.3.10 System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85 5.4 Reset and Interrupt Priority . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85 5.4.1 Highest Priority Interrupt and Miscellaneous Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86 5.5 Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87 5.5.1 Interrupt Recognition and Register Stacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88 5.5.2 Non-Maskable Interrupt Request (XIRQ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89 5.5.3 Illegal Opcode Trap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89 5.5.4 Software Interrupt (SWI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90 5.5.5 Maskable Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90 5.5.6 Reset and Interrupt Processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90 5.6 Low-Power Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90 5.6.1 Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90 5.6.2 Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95M68HC11E Family Data Sheet, Rev. 5.1 Freescale Semiconductor 9

MC68711E20CFNE3 Reviews

Average User Rating
5 / 5 (78)
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Kyr*****Dyer

July 14, 2020

Great item at a great price. Quick shipping. Nice seller. Rad transaction!

Bodh*****rmon

July 8, 2020

So far all the items still work. I'm using these for some home made solar panels and they're doing great.

Patr***** Yang

July 5, 2020

Works great with an older drive in a newer computer.have not encountered any problems, Glad somebody is making these for all the older equipment.

Lou*****Baria

July 1, 2020

Great product & fast shipping. Works as they should.

Ros*****Divan

July 1, 2020

Worked wonderfully. Went through the instructions to the tea to make sure it was done correctly.

Bob*****Mccoy

June 19, 2020

Super Fast Delivery & Well Packaged - Great Service - No Problems

Stev*****ouston

June 13, 2020

★★★★★ Nice Item, Shipped Fast And As Promised! ★★★★★ THANKS!!!!! ★★★★★

Tris*****Ortega

June 12, 2020

They are great as I need, I give 5 stars.

Ephr*****Sastry

June 8, 2020

good item, quick delivery, prefer to recommended.

Laur*****azquez

May 30, 2020

Wish there were some documentation but I guess if you're buying you kinda should know.

MC68711E20CFNE3 Guarantees

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We provide 90 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.

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