S3C9454B データシートの表示（PDF） - Samsung

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S3C9454B

8-BIT CMOS MICROCONTROLLER

Samsung 

Table of Contents (Continued)

Part II — Hardware Descriptions

Chapter 7

Clock Circuit

Overview ....................................................................................................................................................... 7-1

Main Oscillator Logic ............................................................................................................................ 7-1

Clock Status During Power-Down Modes ............................................................................................ 7-2

System Clock Control Register (CLKCON) .......................................................................................... 7-2

Chapter 8

RESET and Power-Down

System Reset................................................................................................................................................ 8-1

Overview............................................................................................................................................... 8-1

Power-Down Modes...................................................................................................................................... 8-3

Stop Mode ............................................................................................................................................ 8-3

Idle Mode.............................................................................................................................................. 8-3

Hardware Reset Values ................................................................................................................................ 8-4

Chapter 9

I/O Ports

Overview ....................................................................................................................................................... 9-1

Port Data Registers .............................................................................................................................. 9-2

Port 0 .................................................................................................................................................... 9-3

Port 1 .................................................................................................................................................... 9-7

Port 2 .................................................................................................................................................... 9-9

Chapter 10 Basic Timer and Timers

Module Overview .......................................................................................................................................... 10-1

Basic Timer (BT) ........................................................................................................................................... 10-2

Basic Timer Control Register (BTCON) ............................................................................................... 10-2

Basic Timer Function Description ........................................................................................................ 10-3

Timer 0 .......................................................................................................................................................... 10-7

Timer 0 Control Registers (T0CON)..................................................................................................... 10-7

Timer 0 Function Description ............................................................................................................... 10-8

S3C9454B/F9454B MICROCONTROLLER

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