Renesas M16C/29 Series Hardware Manual page 336

M16C/29 Group
Port Pi direction register (i=0 to 3, 6 to 8, and 10) (Note)
b7 b6 b5 b4 b3 b2
Note: Ports must be enabled using the PACR
In 80 pin version set PACR2, PACR1, PACR0 to "011
In 64 pin version set PACR2, PACR1, PACR0 to "010
Port P9 direction register (Note 1,2)
b7 b6 b5 b4 b3 b2
Note 1: Make sure the PD9 register is written to by the next instruction after setting the PRCR
register's PRC2 bit to "1"(write enabled).
Note 2: Ports must be enabled using the PACR
In 80 pin version set PACR2, PACR1, PACR0 to "011
In 64 pin version set PACR2, PACR1, PACR0 to "010
Figure 19.1.1. PD0, PD1, PD2, PD3, PD6, PD7, PD8, PD9, and PD10 Registers
Rev.1.00 Nov 01,2004
REJ09B0101-0100Z
Symbol
PD0 to PD3
b1 b0
PD6 to PD8
PD10
Bit symbol
PDi_0 Port Pi
PDi_1 Port Pi
PDi_2 Port Pi
PDi_3 Port Pi
PDi_4 Port Pi
PDi_5 Port Pi
PDi_6 Port Pi
PDi_7 Port Pi
b1 b0
Symbol
PD9
Bit symbol
PD9_0 Port P9
PD9_1 Port P9
PD9_2 Port P9
PD9_3 Port P9
Nothing is assigned. In an attempt to write to this bit, write "0".
(b4)
The value, if read, turns out to be indeterminate.
PD9_5 Port P9
PD9_6 Port P9
PD9_7 Port P9
page 316 of 402
Address
03E2 , 03E3 , 03E6
16 16 16
03EE , 03EF , 03F2
16 16 16
03F6
16
Bit name
direction bit
0
0 : Input mode
direction bit
1
(Functions as an input port)
direction bit
2
1 : Output mode
(Functions as an output port)
direction bit
3
(i = 0 to 3, 6 to 8, and 10)
direction bit
4
direction bit
5
direction bit
6
direction bit
7
"
2
"
2
Address
03F3
16
Bit name
direction bit
0
0 : Input mode
direction bit
1
(Functions as an input port)
direction bit
2 1 : Output mode
(Functions as an output port)
direction bit
3
direction bit
5 0 : Input mode
(Functions as an input port)
direction bit 1 : Output mode
6
(Functions as an output port)
direction bit
7
"
2
"
2
19. Programmable I/O Ports
After reset
, 03E7 00
16 16
00
16
00
16
Function
After reset
00000000
Function
RW
RW
RW
RW
RW
RW
RW
RW
RW
2
RW
RW
RW
RW
RW
RW
RW
RW