D75316 데이터 시트보기 (PDF) - NEC => Renesas Technology

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D75316

4-bit single-chip microcomputer incorporating LCD controller/driver

NEC => Renesas Technology 

µPD75312(A), 75316(A)

3. PIN FUNCTIONS

3.1 PORT PINS (1/2)

Pin Name Input/Output Also Served

As

P00

Input

INT4

Function

8-Bit I/O When Reset

Input/

Output

Circuit

TYPE *

B

Input/

P01

Output

SCK

4-bit input port (PORT0)

Pull-up resistors can be specified in 3-bit

×

P02

Input/

Output

SO/SB0

units for the P01 to P03 pins by software.

P03

Input/

Output

P10

P11

Input

P12

P13

P20

P21

Input/

P22

Output

P23

P30

P31

Input/

P32

Output

P33

P40-43

Input/

Output

P50-53

Input/

Output

SI/SB1

INT0

INT1

INT2

TI0

PTO0

—

PCL

BUZ

LCDCL

SYNC

—

—

—

—

With noise elimination function

4-bit input port (PORT1)

Internal pull-up resistors can be

×

specified in 4-bit units by software.

4-bit input/output port (PORT2)

Internal pull-up resistors can be

×

specified in 4-bit units by software.

Programmable 4-bit input/output port

(PORT3)

This port can be specified for input/

output in bit units.

×

Internal pull-up resistors can be

specified in 4-bit units by software.

N-ch open-drain 4-bit input/output port

(PORT4)

Internal pull-up resistors can be

specified in bit units. (mask option)

Withstand voltage is 10 V in the open-

drain mode.

q

N-ch open-drain 4-bit input/output port

(PORT5)

Internal pull-up resistors can be

specified in bit units. (mask option)

Withstand voltage is 10 V in the open-

drain mode.

*: Circles indicate Schmitt trigger inputs.

Input

Input

Input

Input

High level

(with internal

pull-up

resistor) or

high imped-

ance

High level

(with internal

pull-up

resistor) or

high imped-

ance

F -A

F -B

M -C

B -C

E-B

E-B

M

M

9

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