CONTROL REGISTERSS3C84E5/C84E9/P84E9

TBCON — Timer B Control Register

D0H

Set 1

Bit Identifier

Reset Value

Read/Write Addressing Mode

.7–.6

.5–.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

 

 

 

 

 

Timer B Input Clock Selection Bits

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

0

fxx/4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

1

fxx/8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

0

fxx/64

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

1

fxx/256

 

 

 

 

 

 

 

 

 

 

 

 

 

Timer B Interrupt Time Selection Bits

 

 

 

 

 

 

 

 

 

 

 

0

0

Elapsed time for low data value

 

 

 

 

01 Elapsed time for high data value

10 Elapsed time for low and high data values

1

1 Not Used

.3

Timer B Interrupt Enable Bit

0Disable interrupt

1Enable interrupt

.2

Timer B Start/Stop Bit

0Stop timer B

1Start timer B

.1

Timer B Mode Selection Bit

0One-shot mode

1Repeating mode

.0

Timer B Output flip-flop Control Bit

0T-FF is low

1T-FF is high

NOTE: fxx is selected clock for system.

4-36

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Image 105
Samsung S3C84E5 user manual Tbcon Timer B Control Register, D0H