S3C8238 Просмотр технического описания (PDF) - Samsung

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S3C8238

8-BIT CMOS MICROCONTROLLERS USERS MANUAL

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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


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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

 




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