MC68HC908EY16A
MC68HC908EY8A
Data Sheet
M68HC08
Microcontrollers
MC68HC908EY16A
Rev. 2
09/2010
freescale.com
MC68HC908EY16A
MC68HC908EY8A
Data Sheet
To provide the most up-to-date information, the revision of our documents on the World Wide Web will be
the most current. Your printed copy may be an earlier revision. To verify you have the latest information
available, refer to:
http://www.freescale.com/
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,
2006
Revision
Level
0
Initial release
21.2 Ordering Information
— Separated automotive and consumer/industrial
part numbers.
1
A.4 Ordering Information
— Separated automotive and consumer/industrial
part numbers.
286
Description
Page
Number(s)
N/A
279
September,
2006
Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc.
This product incorporates SuperFlash® technology licensed from SST.
© Freescale Semiconductor, Inc., 2006, 2010. All rights reserved.
MC68HC908EY16A • MC68HC908EY8A Data Sheet, Rev. 2
Freescale Semiconductor
3
Revision History (Continued)
Date
Revision
Level
Description
20.3 Functional Operating Range
— Changed maximum temperature
specification from 135
C
to 125
C.
20.5 5V DC Electrical Characteristics
— Changed maximum temperature
specification from 135
C
to 125
C.
20.7 3V DC Electrical Characteristics
— Changed maximum temperature
specification from 135
C
to 125
C.
20.9 Internal Oscillator Characteristics
— Changed maximum temperature
specification from 135
C
to 125
C.
September
2010
2
20.10 External Oscillator Characteristics
— Changed maximum temperature
specification from 135
C
to 125
C.
20.11 Trimmed Accuracy of the Internal Clock Generator
— Changed
maximum temperature specification from 135
C
to 125
C.
20.16 Memory Characteristics
— Removed note referring to flash memory
behavior between 125
C
to 135
C.
21.2 Ordering Information
— Removed S908EY16AKFJE and
MC908EY16AKFJE part numbers.
A.4 Ordering Information
— Removed S908EY16AKFJE and
MC908EY16AKFJE part numbers.
Page
Number(s)
262
262
265
266
267
268
275
279
286
MC68HC908EY16A • MC68HC908EY8A Data Sheet, Rev. 2
4
Freescale Semiconductor
List of Chapters
Chapter 1
General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Chapter 2
Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Chapter 3
Analog-to-Digital Converter (ADC10) Module. . . . . . . . . . . . . . . . . . . . . . . . . . 47
Chapter 4
BEMF Counter Module (BEMF) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Chapter 5
Configuration Registers (CONFIG1, CONFIG2, CONFIG3) . . . . . . . . . . . . . . . 63
Chapter 6
Computer Operating Properly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Chapter 7
Central Processor Unit (CPU). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Chapter 8
Internal Clock Generator (ICG) Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Chapter 9
External Interrupt (IRQ). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Chapter 10
Keyboard Interrupt (KBI) Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Chapter 11
Low-Voltage Inhibit (LVI) Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Chapter 12
Input/Output (I/O) Ports (PORTS). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .123
Chapter 13
Enhanced Serial Communications Interface (ESCI) Module . . . . . . . . . . . . . 133
Chapter 14
System Integration Module (SIM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .163
Chapter 15
Serial Peripheral Interface (SPI) Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Chapter 16
MC68HC908EY16A • MC68HC908EY8A Data Sheet, Rev. 2
Freescale Semiconductor
5
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