Renesas 7700 FAMILY User Manual page 52

b7 b6 b5 b4 b3 b2 b1
Fig. 3.1.3 Port Pi (i = 0 to 8) register structure
b0
Port Pi register (i = 0 to 8)
(Addresses 2 , 3 , 6
16 16
Bit Bit name
0 Port Pi
0
1 Port Pi
1
2 Port Pi
2
3 Port Pi
3
4
Port Pi
4
5 Port Pi
5
6
Port Pi
6
7
Port Pi
7
Note: Bits 7 to 4 of the port P3 register cannot be written and are fixed to "0" at reading.
7751 Group User's Manual
INPUT/OUTPUT PINS
, 7 , A , B , E , F , 12
16 16 16 16 16 16
Data is input/output to/from a pin by
reading/writing from/to the corres-
ponding bit.
0 : "L" level
1 : "H" level
3.1 Programmable I/O ports
)
16
Functions
At reset
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
RW
RW
RW
RW
RW
RW
RW
RW
RW
3–5