UPD75004 データシートの表示（PDF） - NEC => Renesas Technology

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UPD75004

4-BIT SINGLE-CHIP MICROCOMPUTER

NEC => Renesas Technology 

Internal bus

8

SET1*1

8

TM0

TM07 TM06 TM05 TM04 TM03 TM02 TM01 TM00

8

TMOD0

Modulo register (8)

TOE0

TO

enable

flag

PORT1.3

P13/TI0

Input

buffer

From *2

the clock

generator

MPX

8

Comparator (8)

Coinci-

dence

TOUT

F/F

8

T0

Reset

Count register (8)

CP

Clear

Timer operation start signal

*1: SET1: Instruction execution

*2: Refer to Fig. 5-1.

PORT2.0 Bit 2 of PGMB

P20

output

latch

Port 2

input/

output

mode

To serial interface

Output

buffer

P20/PTO0

INTT0

( ) IRQT0

set signal

RESET

IRQT0

clear signal

Fig. 5-5 Timer/Event Counter Block Diagram

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