UPD780957 데이터 시트보기 (PDF) - NEC => Renesas Technology

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UPD780957

8-Bit Single-Chip Microcontrollers

NEC => Renesas Technology 

CHAPTER 1 GENERAL

CAPH and CAPL:

CL1 and CL2:

COM0 to COM2:

ENA:

IC0 and IC1:

INTP0 to INTP6:

MRI0 and MRI1:

MRO0 and MRO1:

P00 to P06:

P20 to P27:

P30 to P37:

P40 to P47:

P50 to P57:

P60 to P67:

P70 to P77:

P80 to P87:

P90 to P95:

PCL:

Capacitor (for LCD)

RC oscillator

Common output

Enable

Internally connected

External interrupt input

MR sampling input

MR sampling output

Port 0

Port 2

Port 3

Port 4

Port 5

Port 6

Port 7

Port 8

Port 9

Programmable clock

RESET:

Reset

RTO0 to RTO3:

Real-time output port

RxD20 and RxD21: Receive data

SCK3:

Serial clock

SI3:

Serial input

SMP0 to SMP4: Sampling input

SMO0:

Sampling output

SO3:

Serial output

S0 to S29:

Segment output

TI00, TI01, and TI2: Timer input

TO0:

Timer output

TxD20 and TxD21: Transmit data

VDD0 and VDD1:

Power supply

VLC1 and VLC2:

Power supply (for LCD)

VROUT0 and VROUT1: Capacitor (for regulator)

VSS0 and VSS1:

Ground

WDTOUT:

Watchdog timer output

XT1 and XT2:

Crystal (subsystem clock 1)

XT3 and XT4:

Crystal (subsystem clock 2)

28

User’s Manual U13655EJ2V1UD

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