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Overview....................................................................................................................................................... 7-1
System Clock Circuit............................................................................................................................ 7-1
Clock Status During Power-Down Modes............................................................................................ 7-2
System Clock Control Register (CLKCON).......................................................................................... 7-3
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System Reset................................................................................................................................................ 8-1
Overview .............................................................................................................................................. 8-1
Normal Mode Reset Operation ............................................................................................................ 8-1
Hardware Reset Values ....................................................................................................................... 8-2
Power-Down Modes...................................................................................................................................... 8-5
Stop Mode............................................................................................................................................ 8-5
Idle Mode.............................................................................................................................................. 8-6
(
)
Overview....................................................................................................................................................... 9-1
Port 1.................................................................................................................................................... 9-7
Port 2.................................................................................................................................................... 9-11
Port 3.................................................................................................................................................... 9-13
Port 4.................................................................................................................................................... 9-16
*
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Overview....................................................................................................................................................... 10-1
Basic Timer (BT).................................................................................................................................. 10-1
Basic Timer Control Register (BTCON)............................................................................................... 10-1
Basic Timer Function Description ........................................................................................................ 10-3
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8-Bit Timer A................................................................................................................................................. 11-1
Overview .............................................................................................................................................. 11-1
Function Description ............................................................................................................................ 11-2
Timer A Control Register (TACON) ..................................................................................................... 11-3
Block Diagram...................................................................................................................................... 11-4
8-Bit Timer B................................................................................................................................................. 11-5
Overview .............................................................................................................................................. 11-5