MC68HC908JL3/JK3E/JK1E
MC68HRC908JL3/JK3E/JK1E
MC68HLC908JL3/JK3E/JK1E
MC68HC903KL3E/KK3E
MC68HC08JL3E/JK3E
MC68HRC08JL3E/JK3E
Data Sheet
M68HC08
Microcontrollers
MC68HC908JL3E
Rev. 4
10/2006
freescale.com
MC68HC908JL3/JK3E/JK1E
MC68HRC908JL3/JK3E/JK1E
MC68HLC908JL3/JK3E/JK1E
MC68HC908KL3E/KK3E
MC68HC08JL3E/JK3E
MC68HRC08JL3E/JK3E
Data Sheet
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© Freescale Semiconductor, Inc., 2004, 2006. All rights reserved.
MC68HC908JL3E Family Data Sheet, Rev. 4
Freescale Semiconductor
3
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.
Revision History
Date
Revision
Level
Description
Table 4-1. Instruction Set Summary
— Updated table to include the
WAIT instruction.
5.7.1 Break Status Register (BSR)
— Updated for clarity.
5.7.2 Reset Status Register (RSR)
— Updated description for clarity.
7.4 Security
— Updated to reflect the correct RAM location ($80) to
determine if the security code has been entered correctly.
October 2006
4
8.9.1 TIM Status and Control Register (TSC)
— Added note to definition
of TSTOP bit.
10.1 Introduction
— Added note regarding 20-pin devices.
15.4.3 Break Status Register
— Updated for clarity.
Chapter 17 Mechanical Specifications
— Updated package drawings to
the latest available.
Added appendix B for ROM parts.
Nov 2004
3
Added appendix C for ADC-less parts.
Added appendix A for low-volt devices.
Dec 2002
2
Updated Monitor Mode Circuit (Figure 7-1) and Monitor Mode Entry
Requirements and Options (Table 7-1) in Monitor ROM section.
First general release.
167–170
153–224
76, 77
—
89
103
132
147
159–166
Page
Number(s)
42
63
64
80
May 2002
1
MC68HC908JL3E Family Data Sheet, Rev. 4
4
Freescale Semiconductor
List of Chapters
Chapter 1 General Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Chapter 2 Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Chapter 3 Configuration Registers (CONFIG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Chapter 4 Central Processor Unit (CPU). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Chapter 5 System Integration Module (SIM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Chapter 6 Oscillator (OSC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Chapter 7 Monitor ROM (MON) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Chapter 8 Timer Interface Module (TIM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Chapter 9 Analog-to-Digital Converter (ADC). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Chapter 10 Input/Output (I/O) Ports. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Chapter 11 External Interrupt (IRQ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Chapter 12 Keyboard Interrupt Module (KBI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Chapter 13 Computer Operating Properly (COP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Chapter 14 Low Voltage Inhibit (LVI). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
Chapter 15 Break Module (BREAK) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Chapter 16 Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Chapter 17 Mechanical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
Chapter 18 Ordering Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
Appendix A MC68HLC908JL3E/JK3E/JK1E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Appendix B MC68H(R)C08JL3E/JK3E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .165
Appendix C MC68HC908KL3E/KK3E. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
MC68HC908JL3E Family Data Sheet, Rev. 4
Freescale Semiconductor
5
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