78KF2 datasheet(4/29 Pages) ETC

4 / 29 page

©NEC Electronics Corporation 2004

78K0/KF2

ZUD-CC-04-0129-E

Data Published Oct 2004 N CP(K)

3. Pin Function

Table (1/2)

PIN NAME

Function

VDD

Positive power supply except for ports (except P20-P27 and P121-P124)

and AD converter

VSS

Ground potential except for ports (except P20-P27 and P121-P124) and

AD converter

EVDD

Positive power supply for ports (except P20-P27 and P121-P124)

EVSS

Ground potential for ports (except P20-P27 and P121-P124)

RESET

System reset input

FLMD0

Flash EEPROM programming mode setting

REGC

Connecting regulator stabilization capacitor. Connect to GND via a

capacitor (0.47

µF).

AVREF

A/D converter analog power supply and power supply for P20-P27

AVSS

Ground potential for A/D converter and P20 - P27.

I/O port

P00

/TI000

External count clock input to 16-bit timer/event counter 00

Capture trigger input to capture registers (CR000, CR010) of16-bit

timer/event counter 00 (TM00)

I/O port

Capture trigger input to capture register (CR000) of 16-bit

timer/event

counter 00 (TM00)

P01

/TI010

/TO00

16-bit timer/event counter 00 output (TM00)

I/O port

P02

/SO11

Serial data output from serial interface (CSI11)

I/O port

P03

/SI11

Serial data input to serial interface (CSI11)

I/O port

P04

/SCK11

Clock input/ output for serial interface (CSI11)

I/O port

External count clock input to 16-bit timer/event counter 01

Capture trigger input to capture registers (CR001, CR011) of16-bit

timer/event counter 01 (TM01)

P05

/TI001

/SSI11

Chip select input for serial interface (CSI11)

I/O port

Capture trigger input to capture register (CR001) of 16-bit

timer/event

counter 01 (TM01)

P06

/TI011

/TO01

16-bit timer/event counter 01 output (TM01)

I/O port

Clock input/ output for serial interface (CSI10)

P10

/SCK10

/TXD0

Serial data output from asynchronous serial interface (UART0)

I/O port

Serial data input to serial interface (CSI10)

P11

/SI10

/RXD0

Serial data input to asynchronous serial interface (UART0)

I/O port

P12

/SO10

Serial data output form serial interface (CSI10)

I/O port

P13

/TXD6

Serial data output from asynchronous serial interface (UART6)

I/O port

P14

/RXD6

Serial data input to asynchronous serial interface (UART6)

I/O port

P15

/TOH0

8-bit timer H0 output (TMH0)

I/O port

8-bit timer H1 output (TMH1)

P16

/TOH1

/INTP5

External interrupt request input with specifiable valid edges

I/O port

External count clock input to 8-bit timer/event counter 50 (TM50)

P17

/TI50

/TO50

8-bit timer/event counter 50 output (TM50)

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