Samsung 8-Bit CMOS Microcontroller, S3C9228/P9228 BTCON Basic Timer Control Register DCH

CONTROL REGISTERS S3C9228/P9228
4-6
BTCON — Basic Timer Control Register DCH
Bit Identifier .7 .6 .5 .4 .3 .2 .1 .0
RESETRESET Value 00000000
Read/Write R/W R/W R/W R/W R/W R/W R/W R/W
.7-.4 Watchdog Timer Enable Bits
1010Disable watchdog function
Any other value Enable watchdog function
.3-.2 Basic Timer Input Clock Selection Bits
0 0 fxx/4096
0 1 fxx/1024
1 0 fxx/128
1 1 fxx/16
.1 Basic Timer Counter Clear Bit (1)
0No effect
1Clear the basic timer counter value (BTCNT)
.0 Clock Frequency Divider Clear Bit for Basic Timer and Timer/Counters (2)
0No effect
1Clear clock frequency dividers
NOTES
1. When "1" is written to BTCON.1, the basic timer counter value is cleared to "00H". Immediately following the write
operation, the BTCON.1 value is automatically cleared to "0".
2. When "1" is written to BTCON.0, the corresponding frequency divider is cleared to "00H". Immediately following the
write operation, the BTCON.0 value is automatically cleared to "0".