µPD75216A
5.5 TIMER/EVENT COUNTER
The µPD75216A incorporates one channel of timer/event counter. The timer/event counter has the following
functions.
Program interval timer operation
•
•
•
Event counter operation
Count state read function
Fig. 5-4 Timer/Event Counter Block Diagram
Internal Bus
8
*
SET1
8
8
TM0
TMOD0
Modulo Register (8)
TMn7 TMn6 TMn5 TMn4 TMn3 TMnT2Mn1 TMn0
8
Match
Comparator (8)
INTT0
IRQT0
Set Signal
8
Input Buffer
P13/TI0
T0
Count Register (8)
Clear
MPX
CP
From Clock
Generator
Timer Operation Start
IRQT0
Clear
*
Instruction execution.
21
NEC [ NEC ]
