MC68HC908GR8A Datasheet, PDF (4/252 Pages) Freescale Semiconductor, Inc – Microcontrollers

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
April,
2003
October,
2004
October,
2004
Revision
Level
Description
Page
Number(s)
0
Initial release
N/A
Module construction and style updated to meet current publications standards. Throughout
IRQ1 changed to IRQ
Throughout
Mask option register changed to configuration register
Throughout
Deleted references to DMA module and bits
Throughout
FLASH memory operation details updated
38—40
3.3.4 Conversion — Clarified ADC details
48
3.7.1 ADC Status and Control Register — Corrected COCO bit functionality
49
Table 4-1. Numeric Example — Corrected and improved examples
59
Table 4-4. Example Filter Component Values — Added more values
71
Chapter 5 Configuration Register (CONFIG) — Updated COP timeout
selections
73, 74
6.2 Functional Description — Updated block diagram and timeout values
77, 78
Table 7-1. Instruction Set Summary — Corrected STOP and added WAIT
instruction
90, 91
8.3 Functional Description — Updated IRQ description
93
8.4 IRQ Pin — Updated IRQ description
95
Chapter 12 Input/Output (I/O) Ports — Corrected Figures 12-4, 12-11, 12-15 116, 121, 124
1
Figure 13-3. SCI Module Block Diagram — Corrected diagram
132
Figure 13-5. SCI Transmitter — Updated diagram
134
Figure 13-6. SCI Receiver Block Diagram — Updated Diagram
137
Chapter 14 System Integration Module (SIM) — Clarified SIM features and
functionality
155—171
16.3 Functional Description — Updated TBM description
193
Table 17-3. Mode, Edge, and Level Selection — Added software compare
condition
211
Chapter 18 Development Support — Combined Break and Monitor Mode
modules
213—228
18.2.1 Functional Description — Corrected Break description
213
18.3 Monitor Module (MON) — Reworked for clarity
219
19.5 5.0 V DC Electrical Characteristics — Changed V_TST max to 8.5 V
231
19.6 3.0 V DC Electrical Characteristics — Changed V_TST max to 8.5 V
232
19.15.1 CGM Component Specifications — Corrected and updated values
245
19.15.2 CGM Electrical Specifications — Corrected and updated values
245
19.17 Memory Characteristics — Updated memory characteristics table
246
2
19.17 Memory Characteristics — Corrected values for FLASH read bus clock
frequency.
246
MC68HC908GR8A • MC68HC908GR4A Data Sheet, Rev. 2
4
Freescale Semiconductor