LC86P4448 查看數據表（PDF） - SANYO -> Panasonic

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LC86P4448

8-bit Single Chip Microcontroller

SANYO -> Panasonic 

LC86P4448

Pin name

Port 7

P70

P71 to P73

Pin No. I/O

Function description

4-bit input port

47

I/O Other function

48 to 50 I

P70 NT0 input/HOLD release input/Nch-

transistor output for watchdog timer

P71 INT1 input/HOLD release input

P72 INT2 input/timer 0 event input

P73 INT3 input (noise rejection filter

attached input/timer 0 event input

Option

Pull-up resistor

provided/

not provided

(in bit units)

PROM mode

P70 : VPP (*3)

P71 : DASEC (*4)

P72 : OE (*5)

P73 : CE (*6)

Interrupt receiver format vector address

Rise

Fall

Rise/Fall

INT0

INT1

enable

enable

enable

enable

disable

disable

INT2

INT3

enable

enable

enable

enable

enable

enable

Port 9

8-bit input port

P90 to P97 15 to 22 I Other function

AD converter input port (8 lines)

H level

enable

enable

disable

disable

L level Vector

enable 03H

enable 0BH

disable 13H

disable 1BH

P90 to P93 :

A0 to A3 (*1)

*1 An → Address input

*2 Data I/O

*3 Power for programming

*4 Memory select input/output for data security

*5 Output Enable input

*6 Chip Enable input

• Port state during reset

Terminal

Port 0

Port 1, 2

Port 7

I/O Pull-up resistor status at selecting pull-up option

Input Pull-up resistor OFF, ON after reset release

Input Programmable pull-up resistor OFF

Input Fixed pull-up resistor provided

* AVDD and AVSS are the power supply terminals for the analog operation block. DVDD and DVSS are the power supply

terminals for the digital operation block. Connect them like the following figure to reduce the mutual noise influence.

PPoowweerr

sSuupppplyly

LSI

DVDD

DVSS

AVDD

AVSS

No. 5583-7/20

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