UPD780949 datasheet(9/69 Pages) RENESAS

9 / 69 page

µPD780949(A)

Table 3-1

: Pin Input/Output Types (2/2)

Input /

Output

Pin Name

Function

Alternate

Function

After

Reset

Input/

Output

P70-P77

Port 7

8 bit input / output port

Input / output mode can be specified bit-wise

A pull-up resistor can be connected by software

This port can be used as a segment signal output port

or an I/O port in 1 bit units by setting port function.

S31-S24

Input

Input/

Output

P120-P127

Port 12

8 bit input / output port

Input / output mode can be specified bit-wise

This port can be used as a segment signal output port

or an I/O port in 8 bit units by setting the port function.

S23-S16

Input

Input/

Output

P130-P137

Port 13

8 bit input / output port

Input / output mode can be specified bit-wise

If used as an input port, a pull-up resistor can be

connected by software

This port can be used as a segment signal output port

or an I/O port in 8 bit units by setting the port function.

S15-S8

Input

Input/

Output

P140-P147

Port 14

8 bit input / output port

Input / output mode can be specified bit-wise

This port can be used as a segment signal output port

or an I/O port in 8 bit units by setting the port function.

S7-S0

Input

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