Port Direction Registers - Renesas M32R/ECU Series User Manual

8

8.3.2 Port Direction Registers

P0 Direction Register (P0DIR)
P1 Direction Register (P1DIR)
P2 Direction Register (P2DIR)
P3 Direction Register (P3DIR)
P4 Direction Register (P4DIR)
P6 Direction Register (P6DIR)
P7 Direction Register (P7DIR)
P8 Direction Register (P8DIR)
P9 Direction Register (P9DIR)
P10 Direction Register (P10DIR)
P11 Direction Register (P11DIR)
P12 Direction Register (P12DIR)
P13 Direction Register (P13DIR)
P14 Direction Register (P14DIR)
P15 Direction Register (P15DIR)
P16 Direction Register (P16DIR)
P17 Direction Register (P17DIR)
P18 Direction Register (P18DIR)
P19 Direction Register (P19DIR)
P20 Direction Register (P20DIR)
P21 Direction Register (P21DIR)
P22 Direction Register (P22DIR)
b0 1 2
(b8 9 10
Pn0DR Pn1DR Pn2DR Pn3DR Pn4DR Pn5DR Pn6DR Pn7DR
0 0 0
n = 0–22 (not including P5)
b Bit Name
0(b8) Pn0DR (Port Pn0 direction bit)
1(b9) Pn1DR (Port Pn1 direction bit)
2(b10) Pn2DR (Port Pn2 direction bit)
3(b11) Pn3DR (Port Pn3 direction bit)
4(b12) Pn4DR (Port Pn4 direction bit)
5(b13) Pn5DR (Port Pn5 direction bit)
6(b14) Pn6DR (Port Pn6 direction bit)
7(b15) Pn7DR (Port Pn7 direction bit)
Notes: • No direction bits are provided for the following ports (read as 0, writing has no effect):
P40, P60, P64, P80, P81, P90–P92, P120–P123, P170, P171, P204–P207, P221, P223
• After reset, all ports are set for input mode.
INPUT/OUTPUT PORTS AND PIN FUNCTIONS
3 4 5 6
11 12 13 14
0 0 0 0
8.3 Input/Output Port Related Registers
b7
b15)
0
Function
0: Input mode
1: Output mode
8-8
<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 072E>
<Address: H'0080 072F>
<Address: H'0080 0730>
<Address: H'0080 0731>
<Address: H'0080 0732>
<Address: H'0080 0733>
<Address: H'0080 0734>
<Address: H'0080 0735>
<Address: H'0080 0736>
<After reset: H'00>
R
R
R
R
R
R
R
R
R
32180 Group User's Manual (Rev.1.0)
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