µ
PD754144, 754244
26
Data Sheet U10040EJ2V1DS
Figure 7-6. Timer Counter (Channel 2) Block Diagram
Note
Instruction execution
Caution When setting data to TC2, be sure to set bit 7 to 0.
Internal bus
8
8
8
8
8
8
8
TM25 TM24 TM23 TM22 TM21 TM20
TM26
–
MPX
Decoder
From clock
generator
CP
16-bit timer counter mode
Timer operation start
Count register (8)
Comparator (8)
MPX (8)
Match
TOUT
F/F
T2
High-level period
setting modulo register (8)
Modulo register (8)
Reset
–
–
TOE2 REMC NRZB NRZ
–
0
8
TMOD2
TMODH
TC2
Reload
Overflow
Carrier generator mode
PORT3.2
PMGA bit 2
Output
latch
Port 3
input/output
mode
Output buffer
P32/PTO2
Timer counter (channel 1)
clock input
INTT2
IRQT2
set signal
RESET
IRQT2 clear signal
Timer counter (channel 1) match signal
(When 16-bit timer counter mode)
Timer counter (channel 1) clear
signal (When 16-bit timer mode)
Timer counter (channel 1) match signal
(When Carrier generator mode)
TM2
Clear
Selector
Selector
SET
Note
f
x
f
x
/2
f
x
/2
4
f
x
/2
6
f
x
/2
8
f
x
/2
10
*