Revision History
MC68HC908GT16 MC68HC908GT8 MC68HC08GT16 Data Sheet, Rev. 5.0
4
Freescale Semiconductor
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 (Sheet 1 of 2)
Date
Revision
Level
Description
Page
Number(s)
March,
2002
N/A
Original release
N/A
May,
2002
1.0
7.2 Features — Corrected third bulleted item to reflect
±
4 percent variability
77
Figure 15-1. Forced Monitor Mode (Low) — Reworked for clarity
211
Figure 15-2. Forced Monitor Mode (High) — Reworked for clarity
Figure 15-3. Standard Monitor Mode
— Reworked for clarity
211
212
Table 15-1. Monitor Mode Signal Requirements and Options — Reworked for
clarity
Figure 12-4. Port A I/O Circuit — Reworked to correct pullup resistor
Figure 12-11. Port C I/O Circuit — Reworked to correct pullup resistor
Figure 12-15. Port D I/O Circuit — Reworked to correct pullup resistor
214
143
148
151
June,
2002
2.0
Figure 2-2. Control, Status, and Data Registers — Corrected ESCI arbiter data
register (SCIADAT) to reflect read-only status
50
Figure 14-19. ESCI Arbiter Control Register (SCIACTL) — Corrected address
location designator from $0018 to $000A
170
Figure 14-20. ESCI Arbiter Data Register (SCIADAT) — Corrected address
location designator from $0019 to $000B
171
September,
2004
3.0
(Continued
on next
page)
Reformatted to meet current publications standards
Throughout
1.5.6 ADC Reference Pins (V
REFH
and V
REFL
) — Corrected connections
2.6.3 Flash Page Erase Operation — Updated procedure
27
41
2.6.4 Flash Mass Erase Operation — Updated procedure
42
2.6.5 Flash Program/Read Operation — Updated procedure
43
2.6.6 Flash Block Protection — Description updated for clarity
45
3.3.5 Conversion — Updated for clarity
52
3.6.3 ADC Voltage Reference High Pin (V
REFH
) — Corrected connections
3.6.4 ADC Voltage Reference Low Pin (V
REFL
) — Corrected connections
3.7.1 ADC Status and Control Register — Updated description of the COCO bit
53
53
54
Chapter 4 Configuration Register (CONFIG) — Updated COP tmeout selections
57, 59
Chapter 4 Configuration Register (CONFIG) — Updted SSREC bit usage
60
Chapter 5 Computer Operating Properly (COP) Module — Updated timeout
selections
62
Figure 5-1. COP Block Diagram — Updated illustration for clarity
61
Table 6-1. Instruction Set Summary — Updated definitions for STOP and WAIT
70
Figure 7-9. Code Example for Switching Clock Sources — Replaced example
code
89
Figure 7-10. Code Example for Enabling the Clock Monitor — Replaced example
code
90
Figure 14-18. ESCI Prescaler Register (SCPSC) — Corrected address location
172