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S3C24A0A

32-BIT RISC MICROPROCESSOR

Samsung 

Table of Contents (Continued)

Chapter 7

PWM Timer

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

Feature................................................................................................................................................. 7-1

PWM Timer Operation .................................................................................................................................. 7-3

Prescaler & Divider .............................................................................................................................. 7-3

Basic Timer Operation ......................................................................................................................... 7-3

Auto-Reload & Double Buffering.......................................................................................................... 7-4

TIMER Initialization Using Manual Update Bit and Inverter Bit ........................................................... 7-4

Example of a Timer Operation ............................................................................................................. 7-5

PWM (Pulse Width Modulation) ........................................................................................................... 7-6

Output Level Control ............................................................................................................................ 7-7

DEAD Zone Generator......................................................................................................................... 7-8

DMA Request Mode............................................................................................................................. 7-9

PWM Timer Control Registers...................................................................................................................... 7-10

Timer Configuration Register 0 (TCFG0)............................................................................................. 7-10

Timer Configuration Register 1 (TCFG1)............................................................................................. 7-11

Timer Control Register (TCON) ........................................................................................................... 7-12

Timer 0 Count Observation Register (TCNTO0) ................................................................................. 7-13

Timer 1 Count Buffer Register & Compare Buffer Register (TCNTB1, TCMPB1) .............................. 7-14

Timer 1 Count Observation Register(TCNTO1) .................................................................................. 7-14

Timer 2 Count Buffer Register & Compare Buffer Register (TCNTB2, TCMPB2) .............................. 7-15

Timer 2 Count Observation Register (TCNTO2) ................................................................................. 7-15

Timer 3 Count Buffer Register & Compare Buffer Register (TCNTB3, TCMPB3) .............................. 7-16

Timer 3 Count Observation Register (TCNTO3) ................................................................................. 7-16

Timer 4 Count Buffer Register (TCNTB4)............................................................................................ 7-17

Timer 4 Count Observation Register (TCNTO4) ................................................................................. 7-17

Chapter 8

Watchdog Timer

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

Features ............................................................................................................................................... 8-1

Watchdog Timer Operation.................................................................................................................. 8-2

WTDAT & WTCNT ............................................................................................................................... 8-2

Consideration of Debugging Environment ........................................................................................... 8-2

Watchdog Timer Special Registers .............................................................................................................. 8-3

Watchdog Timer Control Register (WTCON) ...................................................................................... 8-3

Watchdog Timer Data Register (WTDAT) ........................................................................................... 8-4

Watchdog Timer Count Register (WTCNT) ......................................................................................... 8-4

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S3C24A0A MICROPROCESSOR

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