UPD75218 NEC, UPD75218 Datasheet - Page 19

• Manufacturer Part Number: UPD75218
• Description: 4-BIT SINGLE-CHIP MICROCOMPUTER
• Manufacturer: NEC

5.5
functions:
P13/TI0
Note
The PD75218 incorporates one channel of timer/event counter. The timer/event counter has the following
• Program interval timer operation
• Event counter operation
• Count state read function
TIMER/EVENT COUNTER
Input buffer
Instruction execution
(See Fig. 5-1.)
From clock
generator
TMn7
TMn6 TMn5 TMn4 TMn3 TMn2
Fig. 5-4 Timer/Event Counter Block Diagram
MPX
8
Timer operation start
SET1
Internal bus
Note
TMn1 TMn0
TM0
8
CP
Modulo register (8)
Count register (8)
Comparator (8)
8
8
8
Clear
TMOD0
T0
Match
PD75218
INTT0
IRQT0
set signal
IRQT0
clear
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