Samsung S3C8245 Microscope & Magnifier User Manual


 
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.