8
8.3.2 Port Direction Registers
INPUT/OUTPUT PORTS AND PIN FUNCTIONS
8.3 Input/Output Port Related Registers
s
P0 Direction Register (P0DIR)
s
P1 Direction Register (P1DIR)
s
P2 Direction Register (P2DIR)
s
P3 Direction Register (P3DIR)
s
P4 Direction Register (P4DIR)
s
P6 Direction Register (P6DIR)
s
P7 Direction Register (P7DIR)
s
P8 Direction Register (P8DIR)
s
P9 Direction Register (P9DIR)
s
P10 Direction Register (P10DIR)
s
P11 Direction Register (P11DIR)
s
P12 Direction Register (P12DIR)
s
P13 Direction Register (P13DIR)
s
P15 Direction Register (P15DIR)
s
P17 Direction Register (P17DIR)
s
P22 Direction Register (P22DIR)
D0
( D8
Pn0DIR
1
9
Pn1DIR
2
10
Pn2DIR
3
11
Pn3DIR
4
12
Pn4DIR
5
13
Pn5DIR
<Address: H'0080 0720>
<Address: H'0080 0721>
<Address: H'0080 0722>
<Address: H'0080 0723>
<Address: H'0080 0724>
<Address: H'0080 0726>
<Address: H'0080 0727>
<Address: H'0080 0728>
<Address: H'0080 0729>
<Address: H'0080 072A>
<Address: H'0080 072B>
<Address: H'0080 072C>
<Address: H'0080 072D>
<Address: H'0080 072F>
<Address: H'0080 0731>
<Address: H'0080 0736>
6
14
Pn6DIR
D7
D15 )
Pn7DIR
Note: • n = 0-13, 15, 17, and 22 (not including P5).
<When reset : H'00>
D
0 (8)
1 (9)
2 (10)
3 (11)
4 (12)
5 (13)
6 (14)
7 (15)
Bit Name
Pn0DIR (Port Pn0 direction bit)
Pn1DIR (Port Pn1 direction bit)
Pn2DIR (Port Pn2 direction bit)
Pn3DIR (Port Pn3 direction bit)
Pn4DIR (Port Pn4 direction bit)
Pn5DIR (Port Pn5 direction bit)
Pn6DIR (Port Pn6 direction bit)
Pn7DIR (Port Pn7 direction bit)
Function
0: Input mode (when reset)
1: Output mode
R
W
Notes: • he bits listed below have no functions assigned. (They show a 0 when read; writing to these bits has
no effect.)
P40, P60, P65-P67, P90-P92, P120-P123, P151, P152, P154-P157,
P170-P173, P176, P177, P222-P224, P226, P227
: • When reset, all ports are placed in input mode.
: • Port P64 is input mode-only. The register does not have a P64DIR bit.
: • Port P221 is input mode-only. The register does not have a P221DIR bit.
: • Ports P80 and P81 are input mode-only. The register does not have P80DIR and P81DIR bits.
: • P14, P16, and P18-P21 do not have data registers.
8-9
32171 Group User's Manual (Rev.2.00)
RENESAS [ RENESAS TECHNOLOGY CORP ]
