8
P4 Operation Mode Register (P4MOD)
b0
1
2
3
4
P44MD
0
0
0
0
0
INPUT/OUTPUT PORTS AND PIN FUNCTIONS
8.3 Input/Output Port Related Registers
<Address: H’0080 0744>
6
P46MD
0
5
P45MD
0
b7
P47MD
0
<After reset: H’00>
b
0–3
4
5
6
7
Bit Name
No function assigned. Fix to "0".
P44MD
Port P44 operation mode bit
P45MD
Port P45 operation mode bit
P46MD
Port P46 operation mode bit
P47MD
Port P47 operation mode bit
0: P44
1: CS0#
0: P45
1: CS1#
0: P46
1: A13
0: P47
1: A14
R
R
W
W
Function
R
0
R
R
W
0
W
W
Note: • P4 Operation Mode Register is useful only when the CPU operates in external extension mode.
P6 Operation Mode Register (P6MOD)
b0
1
2
3
4
5
P65MD
0
0
0
0
0
0
<Address: H’0080 0746>
6
P66MD
0
0
b7
<After reset: H’00>
b
0–4
5
6
7
Bit Name
No function assigned. Fix to "0".
P65MD
Port P65 operation mode bit
P66MD
Port P66 operation mode bit
No function assigned. Fix to "0".
• P61–P63 and P67 are always input/output ports (single-function pins).
• Port P64 is the SBI# input-only pin. The pin level can be known by reading the data register for P64.
0: P65
1: SCLKI4/SCLKO4
0: P66
1: SCLKI5/SCLKO5
R
0
W
0
Function
R
0
R
W
0
W
Notes: • Port P60 is nonexistent.
8-11
32180 Group User’s Manual (Rev.1.0)
RENESAS [ RENESAS TECHNOLOGY CORP ]
