Samsung S3C84E5 user manual Btcon Basic Timer Control Register, D3H

CONTROL REGISTERSS3C84E5/C84E9/P84E9

BTCON — Basic Timer Control Register D3H Set 1

Bit Identifier

Reset Value

Read/Write Addressing Mode

.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
Register addressing mode only
Watchdog Timer Function Disable Code (for System Reset)
1	0	1	0	Disable watchdog timer function
Other Values				Enable watchdog timer function

.3–.2	Basic Timer Input Clock Selection Bits
	0	0	fxx/4096 (3)
	0	1	fxx/1024
	1	0	fxx/128
	1	1	fxx/1 (Not used)
.1	Basic Timer Counter Clear Bit (1)
	0	No effect
	1	Clear the basic timer counter value
.0	Clock Frequency Divider Clear Bit for Basic Timer (2)
	0	No effect
	1	Clear both clock frequency dividers

NOTES:

1.When you write a “1” 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 you write a "1" 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".

3.The fxx is selected clock for system (main OSC. or sub OSC.).

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