UPD75216ACW

Manufacturer Part NumberUPD75216ACW
Description4-BIT SINGLE-CHIP MICROCOMPUTER
ManufacturerNEC
UPD75216ACW datasheet
 


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Page 21/72:

TIMER/EVENT COUNTER

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5.5

TIMER/EVENT COUNTER

The PD75216A 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
TMn7
TMn6 TMn5 TMn4 TMn3 TMn2
Input Buffer
P13/TI0
MPX
From Clock
Generator
* Instruction execution.
Internal Bus
8
*
SET1
8
TM0
Modulo Register (8)
TMn1 TMn0
Count Register (8)
CP
Timer Operation Start
PD75216A
8
TMOD0
8
Match
Comparator (8)
INTT0
IRQT0
8
Set Signal
T0
Clear
IRQT0
Clear
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