M37160M8 Datasheet, PDF (108/131 Pages) Renesas Technology Corp – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

M37160M8/MA/MF-XXXSP/FP,M37160EFSP/FP
Address 00C716
Port P3 direction register
b7 b6 b5 b4 b3 b2 b1 b0
1
0
Port P3 direction register (D3) [Address 00C716]
B
Name
Functions
0 Port P3 direction register
(See note 1)
1
2 OUToutput selection bit
(OUTS) (See note 2)
0 : Port P30 input
1 : Port P30 output
0 : Port P31 input
1 : Port P31 output
0 : 2 value output
1 : 3 value output
3 Fix this bit to "0."
After reset R W
0 RW
0 RW
0 RW
0 RW
4 Nothing is assigned fix this bits.
When this bit are read out, the value are "0."
5 Fix this bit to "1."
0 R–
0 R–
6 Timer 3 (T3SC)
Refer to explanation of a timer 0 R W
7 ^{Timer 2 (T2SC)}
0 : P24 input
1 : P16 input
0 RW
Notes 1: When using the port as the I²C-BUS interface, set the Port P3 Direction Register to 1.
2: Use the Clock Control Register 3 (address 021216) bit 5 to select the binary
output level of OUT.
Address 00CA16
Port P5 register
b7 b6 b5 b4 b3 b2 b1 b0
00
00
Port P5 register (P5) [Address 00CA16]
B
Name
0, 1 Fix these bits to "0."
Functions
2 Port P5 register
3
4
5
Port P52 data
Port P53 data
Port P54 data
Port P55 data
6 Fix these bits to "0."
7
After reset R W
Indeterminate R W
Indeterminate R W
Indeterminate R W
Indeterminate R W
Indeterminate R W
Indeterminate – W
Indeterminate R W
Rev.1.01 2003.11.13 page 108 of 130