User`s manual

S3F84A5_UM_REV1.10 CONTROL REGISTER
4-7
BTCON — Basic Timer Control Register D3H Set 1
Bit Identifier .7 .6 .5 .4 .3 .2 .1 .0
RESET Value
0 0 0 0 0 0 0 0
Read/Write
R/W R/W R/W R/W R/W R/W R/W R/W
.7–.4 Watchdog Timer Function Enable Bit
1 0 1 0 Disable watchdog timer function
Others Enable watchdog timer function
.3–.2 Basic Timer Input Clock Selection Code
00
f
OSC
/4096
01
f
OSC
/1024
10
f
OSC
/128
1 1 Invalid setting
.1 Basic Timer 8-Bit Counter Clear Bit
0 No effect
1 Clear the basic timer counter value
.0 Basic Timer Divider Clear Bit
0 No effect
1 Clear both dividers
NOTE: When you write a "1" to BTCON.0 (or BTCON.1), the basic timer counter (or basic timer divider) is cleared.
The bit is then cleared automatically to "0".