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

Part Name

Description

Manufacturer

UPD784936A

16-BIT SINGLE-CHIP MICROCONTROLLERS

NEC => Renesas Technology 

µPD784935A,784936A,784937A,784938A

6.2 Non-Port Pins (1/2)

Pin Name

TO0 to TO3

CI

RxD

RxD2

TxD

TxD2

ASCK

ASCK2

SI0

SI1

SI2

SI3

SO0

SO1

SO2

SO3

SCK0

SCK1

SCK2

SCK3

NMI

INTP0

I/O

Output

Input

Input

Output

Input

Input

Output

Input/

output

Input

Alternate Function

P34 to P37

P23/INTP2

P30/SI1

P13/SI2

P31/SO1

P14/SO2

P25/INTP4/SCK1

P12/SCK2

P27

P30/RxD

P13/RxD2

P106

P33

P31/TxD

P14/TxD2

P107

P32

P25/INTP4/ASCK

P12/ASCK2

P105

P20

P21

INTP1

P22

INTP2

P23/CI

INTP3

P24

INTP4

INTP5

AD0 to AD7

A8 to A15

A16 to A19

RD

WR

WAIT

REFRQ

HLDRQ

HLDAK

ASTB

Input/

output

Output

Output

Output

Output

Input

Output

Input

Output

Output

P25/ASCK/SCK1

P26

P40 to P47

P50 to P57

P60 to P63

P64

P65

P66/HLDRQ

P67/HLDAK

P66/WAIT

P67/REFRQ

CLKOUT

Function

Timer output

Count clock input to timer/counter 2

Serial data input (UART0)

Serial data input (UART2)

Serial data output (UART0)

Serial data output (UART2)

Baud rate clock input (UART0)

Baud rate clock input (UART2)

Serial data input (3-wire serial I/O0)

Serial data input (3-wire serial I/O1)

Serial data input (3-wire serial I/O2)

Serial data input (3-wire serial I/O3)

Serial data output (3-wire serial I/O0)

Serial data output (3-wire serial I/O1)

Serial data output (3-wire serial I/O2)

Serial data output (3-wire serial I/O3)

Serial clock input/output (3-wire serial I/O0)

Serial clock input/output (3-wire serial I/O1)

Serial clock input/output (3-wire serial I/O2)

Serial clock input/output (3-wire serial I/O3)

External interrupt requests

—

• Count clock input to timer/counter 1

• Capture trigger signal of CR11 or CR12

• Count clock input to timer/counter 2

• Capture trigger signal of CR22

• Count clock input to timer/counter 2

• Capture trigger signal of CR21

• Count clock input to timer/counter 0

• Capture trigger signal of CR02

—

Conversion start trigger input of A/D converter

Time-division address/data bus (external memory connection)

Higher address bus (external memory connection)

Higher address for address extension (external memory connection)

Read strobe to external memory

Write strobe to external memory

Wait insertion

Refresh pulse output to external pseudo-static memory

Bus hold request input

Bus hold acknowledge output

Latch timing output of time-division address (A0 to A7) (when external

memory is accessed)

16

Data Sheet U13572EJ2V0DS

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