UPD78323LP datasheet(14/88 Pages) RENESAS

14 / 88 page

µPD78323, 78324

RTP0 to RTP7

NMI

INTP0

INTP1

INTP2

INTP3

INTP4

INTP5

INTP6

TXD

RXD

SB0

SB1

SCK

AD0 to AD7

1.2

PINS OTHER THAN PORTS (1/2)

A8 to A15

TO00

TO01

TO02

TO03

TO10

TO11

TAS

TMD

WDTO

ASTB

Serial data output of asynchronous serial interface (UART)

Serial data input of asynchronous serial interface (UART)

Serial data output of clock synchronous serial interface in 3-wire mode

Serial data input of clock synchronous serial interface in 3-wire mode

Serial data output of clock synchronous serial interface in SBI mode

Dual-

Function Pin

Function

Pin Name

I/O

Realtime output port which generates pulses in synchronization with the trigger signal

transmitted from the realtime pulse unit (RPU).

Nonmaskable interrupot request input capable of specifying the effective at the rising or

falling edge by a mode register.

Input

Output

P00 to P07

P20

P21

P22

P23

P24

P25

P26

P27/TI

P27/INTP6

P30

P31

P32/SB0

P33/SB1

P32/SO

P33/SI

P34

P40 to P47

P50 to P57

P80

P81

P82

P83

P84

P85

P90

P91

P92

P93

––

Input

External count clock input to timer 1 (TM1)

Output

Input

Output

Input

/output

Input

/output

Input

/output

Output

Strobe signal output generated for external memory read operation

Strobe signal output generated for external memory write operation

Control signal output generated for access to turbo access manager

µPD71P301Note

Signal output indicating that the watchdog timer has generated a nonmascable

interrupt.

Timing signal output generated for externally latching the address information output from

pins AD0 to AD7 in order to access the external memory.

Output

External interrupt request input capable of specifying the effective edgy by a mode

Input

Serial clock input/output of clock synchronous serial interface

Multiplexed address/data bus for external memory expansion

Address bus for external memory expansion

Pulse output from the realtime pulse unit

Note

Maintenance product

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