MC68HC908EY16
MC68HC908EY8
Data Sheet
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MC68HC908EY16 • MC68HC908EY8 Data Sheet, Rev. 10
Freescale Semiconductor
3
List of Chapters
Chapter 1
Chapter 2
Chapter 3
Chapter 4
Chapter 5
Chapter 6
Chapter 7
Chapter 8
Chapter 9
Chapter 10
Chapter 11
Chapter 12
Chapter 13
Chapter 14
Chapter 15
Chapter 16
Chapter 17
Chapter 18
Chapter 19
Chapter 20
Chapter 21
Appendix A
General Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Analog-to-Digital Converter (ADC) Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
BEMF Counter Module (BEMF). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Configuration Registers (CONFIG1 and CONFIG2) . . . . . . . . . . . . . . . . . . . . . . . 57
Computer Operating Properly (COP) Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Central Processor Unit (CPU) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Internal Clock Generator (ICG) Module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
External Interrupt (IRQ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Keyboard Interrupt (KBD) Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Low-Voltage Inhibit (LVI) Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Input/Output (I/O) Ports (PORTS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Enhanced Serial Communications Interface (ESCI) Module. . . . . . . . . . . . . . . 125
System Integration Module (SIM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Serial Peripheral Interface (SPI) Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
Timebase Module (TBM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
Timer Interface A (TIMA) Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
Timer Interface B (TIMB) Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209
Development Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .225
Electrical Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241
Ordering Information and Mechanical Specifications . . . . . . . . . . . . . . . . . . . . 253
MC68HC908EY8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259
Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 269
MC68HC908EY16 • MC68HC908EY8 Data Sheet, Rev. 10
Freescale Semiconductor
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Embedded System
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