D780232 データシートの表示（PDF） - NEC => Renesas Technology

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D780232

8-BIT SINGLE-CHIP MICROCONTROLLER

NEC => Renesas Technology 

Figure 5-4. Block Diagram of 8-Bit Timer (TM81)

µPD780232

fX/2

fX/23

8-bit timer counter 81

fX/25

(TM81)

fX/27

Match

INTTM81

8-bit compare register 81

(CR81)

Internal bus

Figure 5-5. Watchdog Timer Block Diagram

fX

Clock

fX/28

input

Divider

controller

Divided

clock

selector

RUN

Division mode

selector

3

Output

controller

INTWDT

RESET

WDT mode signal

OSTS2 OSTS1 OSTS0 WDCS2 WDCS1 WDCS0 RUN WDTM4 WDTM3

Oscillation

stabilization time

selection register

(OSTS)

Watchdog timer

clock selection

register (WDCS)

Watchdog timer

mode register

(WDTM)

Internal bus

Data Sheet U13415EJ2V0DS

17

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