PD78F9232CS_15 datasheet(10/30 Pages) RENESAS

10 / 30 page

Preliminary Product Information U18550EJ2V0PM

µPD78F9232CS, 78F9234CS

1.2

Non-port Functions

Pin Name

I/O

Function

After Reset

Alternate-

Function Pin

INTP0

P30/TI000

INTP1

P43/TxD6

INTP2

P31/TI010/TO00

INTP3

Input

External interrupt input for which the valid edge (rising edge,

falling edge, or both rising and falling edges) can be specified

Input

P41

RxD6

Input

Serial data input for asynchronous serial interface

Input

P44

TxD6

Output

Serial data output for asynchronous serial interface

Input

P43/INTP1

TI000

External count clock input to 16-bit timer/event counter 00.

Capture trigger input to capture registers (CR000 and CR010) of

16-bit timer/event counter 00

P30/INTP0

TI010

Input

Capture trigger input to capture register (CR000) of 16-bit

timer/event counter 00

Input

P31/TO00/INTP2

TO00

Output

16-bit timer/event counter 00 output

Input

P31/TI010/INTP2

TOH1

Output

8-bit timer H1 output

Input

P42

ANI0 to ANI3

Input

Analog input of A/D converter

Input

P20 to P23

AVREF

−

Reference voltage of A/D converter

−

AVSS

−

A/D converter ground potential. Make the same potential as VSS.

−

RESET

Input

System reset input

−

P34

Input

Connection of crystal/ceramic resonator for system clock

oscillation.

External clock input

−

P121

−

Connection of crystal/ceramic resonator for system clock

oscillation.

−

P122

VDD

−

Positive power supply

−

VSS

−

Ground potential

−

Caution

The P121/X1 and P122/X2 pins are pulled down during reset.

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