LC866420B 查看數據表（PDF） - SANYO -> Panasonic

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LC866420B

8-Bit Single Chip Microcontroller

SANYO -> Panasonic 

LC866448B/44B/40B/36B/32B/28B/24B/20B/16B/12B/08B

Pin name I/O

Function description

PORT8

I •8-bit input port

P80 to 87

•Other function

AD input port (8 Port pins)

S0/T0 to O Output for VFD display controller

S6/T6

segment/timing in common

S7/T7 to O •Output for VFD display controller

S15/T15

segment/timing with internal pull-down resistor in

common

•Internal pull-down resistor output

S16 to S31 I/O •Output for VFD display controller segment

•Other function

S16 : High voltage input port PC0

S17 : High voltage input port PC1

S18 : High voltage input port PC2

S19 : High voltage input port PC3

S20 : High voltage input port PC4

S21 : High voltage input port PC5

S22 : High voltage input port PC6

S23 : High voltage input port PC7

Option

-

Pull-down resistor :

Provided/Not provided (each nibble)

Pull-down resistor :

Provided/Not provided (each nibble)

S24 : High voltage input port PD0

S25 : High voltage input port PD1

S26 : High voltage input port PD2

S27 : High voltage input port PD3

S28 : High voltage input port PD4

S29 : High voltage input port PD5

S30 : High voltage input port PD6

S31 : High voltage input port PD7

S32 to S37 I/O •Output for VFD display controller Segment

Pull-down resistor :

•Other function

Provided/Not provided (each nibble)

S32 : High voltage I/O port PE0

S33 : High voltage I/O port PE1

S34 : High voltage I/O port PE2

S35 : High voltage I/O port PE3

S36 : High voltage I/O port PE4

S37 : High voltage I/O port PE5

RES

I Reset pin

-

XT1/ P74 I •Input pin for 32.768kHz crystal oscillation

-

•Other function

P74 for input port

•In case of non use, connect to VDD1.

XT2/P75 O •Output pin for 32.768kHz crystal oscillation

-

•Other function

P75 for input port

•In case of non use,

At using as oscillator, should be left opened.

At using as a port, connect to VDD1.

CF1

I Input pin for the ceramic resonator oscillation

-

CF2

O Output pin for the ceramic resonator oscillation

-

* All of port options (except pull-up resistor of port 0) can be specified in bit unit.

No.6699-8/21

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