UPD78064A Просмотр технического описания (PDF) - NEC => Renesas Technology

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UPD78064A

8-BIT SINGLE-CHIP MICROCONTROLLER

NEC => Renesas Technology 

µPD78062(A), 78063(A), 78064(A)

3.1 Port Pins (2/2)

Pin Name

I/O

Input/

P80 to P87 output

P90 to P97 Input/

output

P100 to

P103

Input/

output

P110 to

P117

Input/

output

Function

After Reset

Port 8

8-bit input/output port

Input/output can be specified bit-wise.

When used as an input port , on-chip pull-up resistor can be used in

software.

Input/output port/segment signal output function can be specified in 2-bit

unit by the LCD control register (LCDC).

Input

Port 9

8-bit input/output port

Input/output can be specified bit-wise.

When used as an input port, on-chip pull-up resistor can be used in

software.

Input/output port/segment signal output function can be specified in 2-bit

unit by the LCD control register (LCDC).

Input

Port 10

4-bit input/output port

Input/output can be specified bit-wise.

When used as an input port, on-chip pull-up resistor can be used in

software.

LED direct drive capability.

Input

Port 11

8-bit input/output port

Input/output can be specified bit-wise.

When used as an input port, on-chip pull-up resistor can be used in

software.

Falling edge detection capability.

Input

Dual-

Function Pin

S39 to S32

S31 to S24

12

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