DESCRIPTION
1.3 Pin description
Table 1.3.2 Pin description (2)
Pin
Name
Input/Output
I/O
Function
P7
P8
0
0
–P7
7
I/O port P7
P7 is an 8-bit I/O port with the same function as port P1.
By software, these pins can function as input pins for the
A-D converter, or output pins for the D-A converter.
P8 is a 4-bit I/O port with the same function as port P1.
By software, these pins can function as input pins for the
A-D converter, output pins for the D-A converter, or as I/O
pins for serial I/O.
–P8
3
I/O port P8
I/O
P4OUTCUT
P6OUTCUT
Input
Input
P4OUTCUT input
P6OUTCUT input
This pin has the function to forcibly place port P4 pins in the
input mode (port-output-cutoff function). Also, this pin functions
as an input pin for INT , and as an input pin for the port-output-
0
cutoff function in the motor drive waveform output mode.
This pin has the function to forcibly place port P6 pins in the
input mode (port-output-cutoff function). Also, this pin functions
as an input pin for INT
4
, and as an input pin for the port-output-
cutoff function in the motor drive waveform output mode.
7905 Group User’s Manual Rev.1.0
1-6
RENESAS [ RENESAS TECHNOLOGY CORP ]
