M16C26 Datasheet, PDF (174/239 Pages) Renesas Technology Corp – 16-BIT CMOS SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/20 SERIES

Udenvdeelropment
Preliminary Specifications Rev. 0.9
Specifications in this manual are tentative
Programmable I/O Ports
and
subject to change.
SINGLE-CHIP 16-BIT
M16C/26 Group
CMOS MICROCOMPUTER
Port Pi register
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
Pi (i = 6, 7, 10)
Address
03EC16, 03ED16, 03F416
When reset
XX16
Port P1 register
Bit symbol
Pi_0
Pi_1
Pi_2
Pi_3
Pi_4
Pi_5
Pi_6
Pi_7
Bit name
Port Pi0 register
Port Pi1 register
Port Pi2 register
Port Pi3 register
Port Pi4 register
Port Pi5 register
Port Pi6 register
Port Pi7 register
Function
(Note)
0 : "L" level data
1 : "H" level data
(i = 6, 7, 10)
RW
Note : Since P70 and P71 are N-channel open drain ports, the data is high impedance.
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
P1
Address
03E116
When reset
XX16
Bit symbol
Bit name
Function
Nothing is assigned.
Write "0" when writing to this bit. The value is "0" when read.
P1_5
P1_6
Port P15 register
Port P16 register
(Note)
0 : "L" level data
P1_7
Port P17 register
1 : "H" level data
RW
Port P8 register
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
P8
Address
03F016
When reset
XX16
Bit symbol
P8_0
P8_1
P8_2
Bit name
Port P80 register
Port P81 register
Port P82 register
Function
(Note)
0 : "L" level data
1 : "H" level data
P8_3
Port P83 register
Nothing is assigned.
Write "0" when writing to this bit. The value is "0" when read.
P8_5
Port P85 register
(Note)
P8_6
P8_7
Port P86 register
Port P87 register
0 : "L" level data
1 : "H" level data
RW
Port P9 register
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
P9
Address
03F116
When reset
XX16
Bit symbol
Bit name
Function
P9_0
P9_1
P9_2
Port P90 register
Port P91 register
Port P92 register
(Note)
0 : "L" level data
1 : "H" level data
P9_3
Port P93 register
Nothing is assigned.
Write "0" when writing to this bit. The value is "0" when read.
RW
Note: Data is input and output to and from each pin by reading and writing to and from each corresponding bit.
Figure 1.17.6. Port registers
168
Renesas Technology Corp.