Samsung S3C8245 Manual Do Utilizador
S3C8245/P8245/C8249/P8249
CONTROL REGISTER
4-45
TBCON
— Timer B Control Register
ECH
Set 1, Bank 0
Bit Identifier
.7
.6
.5
.4
.3
.2
.1
.0
nRESET 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
Addressing Mode
Register addressing mode only
.7–.6
Timer B Input Clock Selection Bits
0
0
fxx
0
1
fxx/2
1
0
fxx/4
1
1
fxx/8
.5–.4
Timer B Interrupt Time Selection Bits
0
0
Elapsed time for low data value
0
1
Elapsed time for high data value
1
0
Elapsed time for low and high data values
1
1
Invalid setting
.3
Timer B Interrupt Enable Bit
0
Disable Interrupt
1
Enable Interrupt
.2
Timer B Start/Stop Bit
0
Stop timer B
1
Start timer B
.1
Timer B Mode Selection Bit
0
One-shot mode
1
Repeating mode
.0
Timer B Output flip-flop Control Bit
0
T-FF is low
1
T-FF is high
NOTE:
fxx is selected clock for system.