µ
PD754144, 754244
25
Data Sheet U10040EJ2V1DS
8
8
8
8
TM15 TM14 TM13 TM12 TM11 TM10
TM16
–
TM1
Decoder
MPX
Timer counter (channel 2) output
From clock
generator
CP
Clear
T1
Count register (8)
Comparator (8)
Modulo register (8)
TMOD1
SET
Note
Timer operation start
16 bit timer counter mode
Selector
Match
Reset
TOUT
F/F
TOE1
PORT3.1
PMGA bit 1
T1
enable flag
P31
Output latch
Port 3
input/output
mode
Output buffer
P31/PTO1
INTT1
IRQT1
set signal
RESET
IRQT1
clear signal
Timer counter (channel 2) match signal
(When 16-bit timer counter mode)
Timer counter (channel 2) comparator
(When 16-bit timer counter mode)
Timer counter (channel 2) reload signal
Internal bus
f
x
/2
5
f
x
/2
6
f
x
/2
8
f
x
/2
10
f
x
/2
12
Figure 7-5. Timer Counter (Channel 1) Block Diagram
Note
Instruction execution
*