Renesas M16C Series User Manual page 298

M30245 Group
Port Pi direction register (Note 1)
b7 b6 b5
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Port P8 direction register
b7 b6 b5
Port P9 direction register
b7 b6 b5
Figure 2.17.3. Programmable I/O ports-related registers (2)
Rev.2.00 Oct 16, 2006
REJ09B0340-0200
Symbol
b4 b3 b2 b1 b0
PDi (i = 0 to 7, 10)
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
Note 1: In memory expansion and microprocessor mode, the contents of
corresponding port Pi direction register of pins A
CS to CS
0
BCLK cannot be modified.
b4 b3 b2 b1 b0
Symbol
PD8
Bit symbol
PD8_0 Port P8
PD8_1 Port P8
PD8_2 Port P8
PD8_3 Port P8
PD8_4 Port P8
Nothing is assigned.
In an attempt to write to this bit, write "0". The value, if read, turns out to be
indeterminate.
PD8_6 Port P8
PD8_7 Port P8
b4 b3 b2 b1 b0
Symbol
PD9
Bit symbol
PD9_0 Port P9
Nothing is assigned.
In an attempt to write to this bit, write "0". The value, if read, turns out to be
indeterminate.
PD9_2 Port P9
PD9_3 Port P9
Nothing is assigned.
In an attempt to write to this bit, write "0". The value, if read, turns out to be
indeterminate.
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03E2 , 03E3 , 03E6
16 16
03EB , 03EE
16
Bit name
direction register
0
0 : Input mode
direction register
1
(Functions as an input port)
direction register
2
1 : Output mode
(Functions as an output port)
direction register
3
(i = 0 to 7, 10)
direction register
4
direction register
5
direction register
6
direction register
7
, RD, WRL/WR, WRH/BHE, ALE, RDY, HOLD, HLDA and
3
Address
03F2
16
Bit name
direction register
0
0 : Input mode
direction register
1
(Functions as an input port)
direction register
2
1 : Output mode
(Functions as an output port)
direction register
3
direction register
4
0 : Input mode
direction register
6
(Functions as an input port)
1 : Output mode
direction register
7
(Functions as an output port)
Address
03F3
16
Bit name
0 : Input mode
direction register
0
(Functions as an input port)
1 : Output mode
(Functions as an output port)
0 : Input mode
direction register
2
(Functions as an input port)
1 : Output mode
direction register
3
(Functions as an output port)
2. Programmable I/O Ports
Address When reset
, 03E7 , 03EA
16 16 16
, 03EF , 03F6
16 16 16
Function R W
to A , D to D ,
0 19 0 15
When reset
00X00000
2
Function R W
When reset
XXXX00X0
2
Function R W
00
16