M16C6K9_15 Datasheet, PDF (233/294 Pages) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER Description

M16C/6K9 Group
Port
Port Pi direction register
b b6 b b b3 b b b0
7
54
21
Symbol
PDi(i=0-15, except 8)
Address
03E216,03E316,03E616,03E716,03EA16
03EB16,03EE16,03EF16,03F316,03F616
02E216,02E316,02E616,02E716,02EA16
Bit symbol
PDi_0
PDi_1
PDi_2
PDi_3
PDi_4
PDi_5
PDi_6
PDi_7
Bit name
Port Pi0 direction register
Port Pi1 direction register
Port Pi2 direction register
Port Pi3 direction register
Port Pi4 direction register
Port Pi5 direction register
Port Pi6 direction register
Port Pi7 direction register
Function
0 : Input mode
(Function as an input port)
1 : Output mode
(Function as an output port)
(i=0-15, except 8)
When reset
0016
RW
Port P8 direction register
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
PD8
Address
03F216
When reset
00X000002
Bit symbol
PD8_0
PD8_1
PD8_2
PD8_3
PD8_4
Bit name
Port P80 direction register
Port P81 direction register
Port P82 direction register
Port P83 direction register
Port P84 direction register
Function
0 : Input mode
(Function as an input port)
1 : Output mode
(Function as an output port)
Nothing is assigned.
In an attempt to write to this bit, write "0". The value, if read, turns out to be indeterminate.
PD8_6
PD8_7
Port P86 direction register
Port P87 direction register
0 : Input mode
(Function as an input port)
1 : Output mode
(Function as an output port)
RW
Port P16 direction register
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
PD16
Address
02EB16
When reset
XXXXXX002
Bit symbol
Bit name
Function
PD16_0
PD16_1
Port P160 direction register
Port P161 direction register
0 : Input mode
(Function as an input port)
1 : Output mode
(Function as an output port)
RW
Nothing is assigned.
In an attempt to write to this bit, write "0". The value, if read, turns out to be indeterminate.
Fig.UA-7 Direction register
Rev.1.00 Jun 06, 2003 page 231 of 290