UPD178004A 데이터 시트보기 (PDF) - NEC => Renesas Technology

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UPD178004A

8-BIT SINGLE-CHIP MICROCONTROLLERS

NEC => Renesas Technology 

µPD178004A, 178006A, 178016A, 178018A

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

Internal Bus

fxx/2 to fxx/2 9

fx/211

TI1/P33

fxx/2 to fxx/2 9

fx/2 11

TI2/P34

8-Bit Compare

Register (CR10)

Match

8-Bit Compare

Register (CR20)

Match

Selector

8-Bit Timer

Register 1 (TM1)

Selector

Clear

Selector

Selector

8-Bit Timer

Register 2 (TM2)

Clear

Internal Bus

INTTM1

Selector

INTTM2

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

4.5 MHz

Internal Bus

INTPWM

PWM Duty Setting Block

PWM Data Register 2 Note

(PWMR2)

PWM Data Register 1

(PWMR1)

PWM Data Register 0

(PWMR0)

Clock

Generation

Block

fPWM

Comparator

Comparator

Comparator

Clear

Circuit

b8

b0

9-Bit Binary Counter

PWM Mode

Select Register

PWM PWM PWM

0SE 1SE 2SE

Output Select

Block

Output Select

Block

Output Select

Block

P132/PWM0

P133/PWM1

P134/PWM2

PWM PWM PWM PWM PWM

BIT CK0 MD ST RES

PWM Control Register

Internal Bus

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

17

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