Samsung S3C9228/P9228, 8-Bit CMOS Microcontroller user manual Btcon Basic Timer Control Register

CONTROL REGISTERSS3C9228/P9228

BTCON — Basic Timer Control Register DCH

Bit Identifier

RESET Value

Read/Write

.7-.4

.7	.6	.5	.4	.3	.2	.1	.0
0	0	0	0	0	0	0	0
R/W	R/W	R/W	R/W	R/W	R/W	R/W	R/W

Watchdog Timer Enable Bits

	1	0	1	0	Disable 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)
	0	No effect
	1	Clear the basic timer counter value (BTCNT)
.0
	Clock Frequency Divider Clear Bit for Basic Timer and Timer/Counters (2)
	0	No effect
	1	Clear 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".

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