LC86E4448 查看數據表（PDF） - SANYO -> Panasonic

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LC86E4448

UVEPROM built-in 8-bit Single Chip Microcontroller

SANYO -> Panasonic 

LC86E4448

Pin name Pin No. I/O

Function description

Option

PROM mode

Port 7

4-bit input port

Pull-up resistor

P70 : VPP (*3)

P70

47

I/O Other function

provided/

P71 : DASEC (*4)

P71 to P73 48 to 50 I

P70 INT0 input/HOLD release input/

not provided

Nch-transistor output for watchdog timer (in bit units)

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

P72 : OE (*5)

P73 : CE (*6)

Interrupt receiver format vector address

Rise

Fall

Rise/Fall

H level L level Vector

INT0 enable enable

disable

enable enable

03H

INT1 enable enable

disable

enable enable

0BH

INT2 enable enable

enable

disable disable

13H

INT3 enable enable

enable

disable disable

1BH

Port 9

8-bit input port

P90 to P93 :

P90 to P97 15 to 22 I Other function

A/D converter input port (8 lines)

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 status during reset

Terminal

Port 0

Port 1,2

Port 7

I/O

Input

Input

Input

Pull-up resistor status at selecting pull-up option

Pull-up resistor OFF, ON after reset release

Programmable pull-up resistor OFF

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

Supply

supply

LSI

DVDD

DVSS

AVDD

AVSS

No. 5648-8/20

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