Samsung KS57C2308 Manual page 233

KS57C2308/P2308/C2316/P2316
Register Type
Name
TMOD0 Control
TCNT0 Counter
TREF0 Reference
TOE0 Flag
TCL0
TMOD0.7
TMOD0.6
TMOD0.5
8
TMOD0.4
TMOD0.3
TMOD0.2
TMOD0.1
TMOD0.0
TCLO0
Table 11-4. TC0 Register Overview
Description
Controls TC0 enable/disable (bit
2); clears and resumes counting
operation (bit 3); sets input
clock and clock frequency (bits
6–4)
Counts clock pulses matching
the TMOD0 frequency setting
Stores reference value for the
timer/counter 0 interval setting
Controls timer/counter 0 output
to the TCLO0 pin
P1.3
10
(fxx/2 , fxx/2 , fxx/2 , fxx/2 )
Clock
Selector
Clear SET
IRQT0
PM2
Figure 11-2. TC0 Circuit Diagram
Size
8-bit
8-bit
8-bit
1-bit
Clocks
8 6 4
8
TCNT0
Clear
P2.0 Latch
TIMERS and TIMER/COUNTERS
RAM Addressing
Address Mode
F90H–F91H 8-bit write-only;
(TMOD0.3 is
also 1-bit
writeable)
F94H–F95H 8-bit
read-only
F96H–F97H 8-bit
write-only
F92H.2 1-bit
write-only
8-Bit
Comparator
Clear
Inverted
TOL0
TOE0
Reset
Value
"0"
"0"
FFH
"0"
8
TREF0
Serial I/O
11-11