UPD75238GJ NEC [NEC], UPD75238GJ Datasheet - Page 64
UPD75238GJ
Manufacturer Part Number
UPD75238GJ
Description
4 BIT SINGLE-CHIP MICROCOMPUTER
Manufacturer
NEC [NEC]
Datasheet
1.UPD75238GJ.pdf
(190 pages)
- Current page: 64 of 190
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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
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