S3C72Q5 Datasheet, PDF (10/330 Pages) Samsung semiconductor – 4-BIT CMOS MICROCONTROLLER

Table of Contents (Continued)
Section 11 Timers and Timer/Counter 0
Overview .............................................................................................................................................11-1
Basic Timer (BT) .................................................................................................................................11-2
Overview .....................................................................................................................................11-2
Basic Timer Mode Register (BMOD)..............................................................................................11-5
Basic Timer Counter (BCNT).........................................................................................................11-6
Basic Timer Operation Sequence..................................................................................................11-6
Watchdog Timer Mode Register (WDMOD)....................................................................................11-8
Watchdog Timer Counter (WDCNT) ...............................................................................................11-8
Watchdog Timer Counter Clear Flag (WDTCF) ...............................................................................11-8
8-Bit Timer/Counter 0 (TC0) ..................................................................................................................11-10
Overview .....................................................................................................................................11-10
TC0 Function Summary ...............................................................................................................11-10
TC0 Component Summary ...........................................................................................................11-11
TC0 Enable/Disable Procedure .....................................................................................................11-12
TC0 Programmable Timer/Counter Function ...................................................................................11-13
TC0 Operation Sequence .............................................................................................................11-13
TC0 Event Counter Function .........................................................................................................11-14
TC0 Clock Frequency Output........................................................................................................11-15
TC0 External Input Signal Divider ..................................................................................................11-16
TC0 Mode Register (TMOD0)........................................................................................................11-17
TC0 Counter Register (TCNT0)......................................................................................................11-19
TC0 Reference Register (TREF0) ..................................................................................................11-20
TC0 Output Enable Flag (TOE0)....................................................................................................11-20
TC0 Output Latch (TOL0) .............................................................................................................11-20
8-Bit Timer/Counter 1 (TC1) ..................................................................................................................11-22
Overview .....................................................................................................................................11-22
TC1 Function Summary ...............................................................................................................11-22
TC1 Component Summary ...........................................................................................................11-23
TC1 Enable/Disable Procedure .....................................................................................................11-24
TC1 Programmable Timer/Counter Function ...................................................................................11-25
TC1 Operation Sequence .............................................................................................................11-25
TC1 Mode Register (TMOD1)........................................................................................................11-26
TC1 Counter Register (TCNT1)......................................................................................................11-28
TC1 Reference Register (TREF1) ..................................................................................................11-29
Watch Timer .......................................................................................................................................11-30
Overview .....................................................................................................................................11-30
Watch Timer Mode Register (WMOD) ...........................................................................................11-32
S3C72Q5/P72Q5 MICROCONTROLLER
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