8
8-11
INPUT/OUTPUT PORTS AND PIN FUNCTIONS
32180 Group User’s Manual (Rev.1.0)
P4 Operation Mode Register (P4MOD)
<Address: H
’0080 0744>123456b7b0
P44MD P45MD P46MD P47MD
0000
<After reset: H’00>
b Bit Name Function R W
0–3 No function assigned. Fix to "0". 00
4 P44MD 0: P44 R W
Port P44 operation mode bit 1: CS0#
5 P45MD 0: P45 R W
Port P45 operation mode bit 1: CS1#
6 P46MD 0: P46 R W
Port P46 operation mode bit 1: A13
7 P47MD 0: P47 R W
Port P47 operation mode bit 1: A14
Note: • P4 Operation Mode Register is useful only when the CPU operates in external extension mode.
P6 Operation Mode Register (P6MOD)
<Address: H
’0080 0746>123456b7b0
P
M
P66MD
0
<After reset: H’00>
b Bit Name Function R W
0–4 No function assigned. Fix to "0". 00
5 P65MD 0: P65 R W
Port P65 operation mode bit 1: SCLKI4/SCLKO4
6 P66MD 0: P66 R W
Port P66 operation mode bit 1: SCLKI5/SCLKO5
7 No function assigned. Fix to "0". 00
Notes: • Port P60 is nonexistent.
• 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.
8.3 Input/Output Port Related Registers
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