UPD178018GC datasheet(17/56 Pages) NEC

17 / 56 page

µPD178004, 178006, 178016, 178018

Figure 5-3. 8-Bit Timer/Event Counter Block Diagram

Internal Bus

8-Bit Compare

8-Bit Timer

Clear

Match

Selector

INTTM1

INTTM2

Clear

Match

Selector

8-Bit Compare

8-Bit Timer

Internal Bus

fxx/2-fxx/2

fx/2

TI1/P33

fxx/2-fxx/2

fx/2

TI2/P34

Figure 5-4. 8-Bit Timer (D/A Converter) Block Diagram

4.5 MHz

Clock

generation

block

fPWM

Clear

circuit

Comparator

PWM data register 2Note

(PWMR2)

PWM data register 1

(PWMR1)

PWM data register 0

(PWMR0)

INTPWM

Internal bus

PWM duty setting block

PWM mode

select register

P132/PWM0

P133/PWM1

P134/PWM2

PWM control register

PWM

BIT

PWM

CK0

PWM

RES

PWM

2SE

PWM

1SE

PWM

0SE

Output select

block

Output select

block

Output select

block

9-bit binary counter

Internal bus

Note

The PWM data register 2 (PWMR2) is multiplexed with the PWM timer register (PWMTMR).

UPD178018GC Datasheet(PDF) 17 Page - NEC

UPD178018GC Datasheet(HTML) 17 Page - NEC

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