MC68HC908AP64A
MC68HC908AP32A
MC68HC908AP16A
MC68HC908AP8A
Data Sheet
M68HC08
Microcontrollers
MC68HC908AP64A
Rev. 3
10/2007
freescale.com
MC68HC908AP64A
MC68HC908AP32A
MC68HC908AP16A
MC68HC908AP8A
Data Sheet
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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.
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© Freescale Semiconductor, Inc., 2005, 2007. All rights reserved.
MC68HC908AP A-Family Data Sheet, Rev. 3
Freescale Semiconductor
3
Revision History
Date
Revision
Level
Description
Clarified or updated information in
Chapter 7 System Integration Module
(SIM).
In
Chapter 8 Monitor Mode (MON),
corrected and updated monitor mode
entry details.
In
Chapter 9 Timer Interface Module (TIM),
updated functional details.
In
15.7 I/O Registers,
corrected COCO bit description.
In
16.1 Introduction,
added unused pin information.
In
Chapter 21 Break Module (BRK),
updated functional details.
In
22.5 5V DC Electrical Characteristics,
updated stop I
DD
values.
15.7.2 ADC Clock Control Register
— Changed “The ADC clock should
be set to between 500 kHz and 2 MHz” to “The ADC clock should be set
to between 500 kHz and 1 MHz”
First general release.
Page
Number(s)
October 2007
3
—
January 2007
Mar 2005
2
1
250
—
MC68HC908AP A-Family Data Sheet, Rev. 3
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Freescale Semiconductor
List of Chapters
Chapter 1 General Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Chapter 2 Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Chapter 3 Configuration & Mask Option Registers (CONFIG & MOR) . . . . . . . . . . . . . . . .49
Chapter 4 Central Processor Unit (CPU). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55
Chapter 5 Oscillator (OSC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71
Chapter 6 Clock Generator Module (CGM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79
Chapter 7 System Integration Module (SIM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97
Chapter 8 Monitor Mode (MON) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .115
Chapter 9 Timer Interface Module (TIM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .131
Chapter 10 Timebase Module (TBM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .147
Chapter 11 Serial Communications Interface Module (SCI) . . . . . . . . . . . . . . . . . . . . . . .151
Chapter 12 Infrared Serial Communications Interface Module (IRSCI) . . . . . . . . . . . . . .177
Chapter 13 Serial Peripheral Interface Module (SPI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .207
Chapter 14 Multi-Master IIC Interface (MMIIC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .227
Chapter 15 Analog-to-Digital Converter (ADC). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .245
Chapter 16 Input/Output (I/O) Ports. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .257
Chapter 17 External Interrupt (IRQ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .269
Chapter 18 Keyboard Interrupt Module (KBI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .275
Chapter 19 Computer Operating Properly (COP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .281
Chapter 20 Low-Voltage Inhibit (LVI). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .285
Chapter 21 Break Module (BRK) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .289
Chapter 22 Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .295
Chapter 23 Mechanical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .309
Chapter 24 Ordering Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .313
MC68HC908AP A-Family Data Sheet, Rev. 3
Freescale Semiconductor
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