Samsung S3F80JB Btcon Basic Timer Control Register D3H Set1 Bank0, Basic Timer Counter Clear Bit

Models: S3F80JB

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S3F80JBCONTROL REGISTERS

BTCON — Basic Timer Control Register

D3H Set1 Bank0

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 Enable Bits (for System Reset)

 

 

1

0

1

0

Disable watchdog timer function

 

 

 

Any other value

Enable watchdog timer function

 

 

 

 

 

 

 

 

 

 

 

 

 

 

.3 and .2

Basic Timer Input Clock Selection Bits

 

0

0

fOSC/4096

 

0

1

fOSC/1024

 

1

0

fOSC/128

 

1

1

Not used for S3F80JB.

 

 

 

 

.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 and Timer 0 (2)

 

0

No effect

 

1

Clear both block 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".

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Page 72
Image 72
Samsung S3F80JB Btcon Basic Timer Control Register D3H Set1 Bank0, Bit Identifier Reset Value Read/Write Addressing Mode