UPD784936A View Datasheet(PDF) - NEC => Renesas Technology

Part Name

Description

Manufacturer

UPD784936A

16-BIT SINGLE-CHIP MICROCONTROLLERS

NEC => Renesas Technology 

µPD784935A,784936A,784937A,784938A

Table 8-1. Port Functions

Port Name Pin Name

Function

Software Specification of Pull-up Resistor

Port 0

P00 to P07

• Input/output can be specified in 1-bit units.

• Can also operate as a 4-bit real-time output port (P00

to P03, P04 to P07).

• Can drive a transistor.

Pull-up resistors can be specified for the

pins in input mode all at once.

Port 1

P10 to P17 • Input/output can be specified in 1-bit units.

• Can drive an LED.

Pull-up resistors can be specified for the

pins in input mode all at once.

Port 2

P20 to P27 • Input port

Pull-up resistors can be specified in 6-bit

units (P22 to P27).

Port 3

P30 to P37

• Input/output can be specified in 1-bit units.

• P32/SCK0 and P33/SO0 pins can be used as N-ch

open-drain pins.

Pull-up resistors can be specified for the

pins in input mode all at once.

Port 4

P40 to P47 • Input/output can be specified in 1-bit units.

• Can drive an LED.

Pull-up resistors can be specified for the

pins in input mode all at once.

Port 5

P50 to P57 • Input/output can be specified in 1-bit units.

• Can drive an LED.

Pull-up resistors can be specified for the

pins in input mode all at once.

Port 6

P60 to P67 • Input/output can be specified in 1-bit units.

Pull-up resistors can be specified for the

pins in input mode all at once.

Port 7

P70 to P77 • Input/output can be specified in 1-bit units.

—

Port 9

P90 to P97 • Input/output can be specified in 1-bit units.

Pull-up resistors can be specified for the

pins in input mode all at once.

Port 10

P100 to

P107

• Input/output can be specified in 1-bit units.

• P105/SCK3 pin and P107/SO3 pin can be used as

N-ch open-drain pins.

Pull-up resistors can be specified for the

pins in input mode all at once.

Data Sheet U13572EJ2V0DS

35

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