upd75238 Renesas Electronics Corporation., upd75238 Datasheet - Page 64

• Manufacturer Part Number: upd75238
• Description: 4 Bit Single-chip Microcomputer
• Manufacturer: Renesas Electronics Corporation.

P13/ TI0
Note 2
PORT1.3
Input
buffer
Event
counter #1
(See Fig. 4-26.)
From the
clock
generator
TM07
TM06 TM05 TM04 TM03 TM02
Notes 1. Instruction execution
MPX
2. The P13/TI0 pin is an external event pulse input pin shared between timer/event counter and
8
event counter.
Timer operation start signal
SET1
Fig. 4-25 Block Diagram of the Timer/Event Counter
Note 1
TM0
8
CP
Internal bus
Modulo register (8)
Count register (8)
Comparator (8)
8
8
8
Clear
TMOD0
T0
Match
TOUT
F/F
Reset
TO enable
flag
TOE0
P20
output
latch
PORT2.0
Port 2
input/
output
mode
Output
buffer
Bit 2 of PGMB
RESET
IRQT0 clear
signal
INTT0
IRQT0
set signal
To serial
interface
P20/PTO0