MC68HC908GZ16
MC68HC908GZ8
Data Sheet
M68HC08
Microcontrollers
MC68HC908GZ16
Rev. 4.0
10/2006
freescale.com
MC68HC908GZ16
MC68HC908GZ8
Data Sheet
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MC68HC908GZ16 • MC68HC908GZ8 Data Sheet, Rev. 4
Freescale Semiconductor
3
Revision History
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
February,
2003
Revision
Level
N/A
Initial release
Reorganized to meet latest publication standards for M68HC08 Family
documentation
Added Table 1-1. Summary of Device Variations
Figure 5-2. Configuration Register 1 (CONFIG1) — Changed bit 0 from
SCIBDSRC to ESCIBDSRC.
Chapter 15 Enhanced Serial Communications Interface (ESCI) Module —
Updated with additional data
October,
2004
Chapter 17 Serial Peripheral Interface (SPI) Module — Removed all references
to DMAS
Added DC injection current values to:
21.5 5-Vdc Electrical Characteristics
21.6 3.3-Vdc Electrical Characteristics
21.15 Memory Characteristics — Updated table entries
Corrected ICG references to CGM throughout document.
Chapter 22 Ordering Information and Mechanical Specifications — Corrected
device ordering information
Added the following:
Appendix A MC68HC908GZ8
205 — Corrected Functionality entries
June,
2005
March,
2006
2.0
15.9.1 ESCI Arbiter Control Register — Corrected bit ACLK bit description
15.9.3 Bit Time Measurement — Corrected definition for ACLK bit
3.0
10.5 Clock Generator Module (CGM) — Updated description to remove
erroneous information.
1.6 Unused Pin Termination
— Added new section.
12.2 Features
— Corrected timer link connection from TIM2 channel 0 to TIM1
channel 0.
October,
2006
4.0
12.9 Timer Link
— Corrected timer link connection from TIM2 channel 0 to TIM1
channel 0.
13.1 Introduction
— Replaced note with unused pin termination text.
21.5 5-Vdc Electrical Characteristics
and
21.6 3.3-Vdc Electrical Characteristics
— Updated DC injection current
specification.
Description
Page
Number(s)
N/A
N/A
19
80
181–212
N/A
1.0
289
291
302
N/A
303
311–314
205
209
210
110
26
121
133
155
289
291
MC68HC908GZ16 • MC68HC908GZ8 Data Sheet, Rev. 4
4
Freescale Semiconductor
List of Chapters
Chapter 1 General Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Chapter 2 Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Chapter 3 Analog-to-Digital Converter (ADC). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Chapter 4 Clock Generator Module (CGM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Chapter 5 Configuration Register (CONFIG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Chapter 6 Computer Operating Properly (COP) Module . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Chapter 7 Central Processor Unit (CPU). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Chapter 8 External Interrupt (IRQ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Chapter 9 Keyboard Interrupt Module (KBI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Chapter 10 Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Chapter 11 Low-Voltage Inhibit (LVI). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Chapter 12 MSCAN08 Controller (MSCAN08). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Chapter 13 Input/Output (I/O) Ports. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Chapter 14 Resets and Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .169
Chapter 15 Enhanced Serial Communications Interface (ESCI) Module . . . . . . . . . . . . . 181
Chapter 16 System Integration Module (SIM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
Chapter 17 Serial Peripheral Interface (SPI) Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231
Chapter 18 Timebase Module (TBM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251
Chapter 19 Timer Interface Module (TIM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
Chapter 20 Development Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 271
Chapter 21 Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 287
Chapter 22 Ordering Information and Mechanical Specifications . . . . . . . . . . . . . . . . . . 303
Appendix A MC68HC908GZ8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 311
MC68HC908GZ16 • MC68HC908GZ8 Data Sheet, Rev. 4
Freescale Semiconductor
5
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