M16C26 Datasheet, PDF (173/239 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 direction register
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
PDi (i = 6, 7, 10)
Address
03EE16, 03EF16, 03F616
When reset
0016
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
(Functions as an input port)
1 : Output mode
(Functions as an output port)
(i = 6, 7, 10)
RW
Port P1 direction register
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
PD1
Address
03E316
When reset
000XXXXX2
Bit symbol
Bit name
Function
Nothing is assigned.
Write "0" when writing to this bit. The value is "0" when read.
PD1_5
PD1_6
PD1_7
Port P15 direction register
Port P16 direction register
Port P17 direction register
0 : Input mode
(Functions as an input port)
1 : Output mode
(Functions as an output port)
RW
Port P8 direction register
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
PD8
Address
03F216
When reset
000X00002
Bit symbol
PD8_0
PD8_1
PD8_2
PD8_3
Bit name
Port P80 direction register
Port P81 direction register
Port P82 direction register
Port P83 direction register
Function
0 : Input mode
(Functions as an input port)
1 : Output mode
(Functions as an output port)
Nothing is assigned.
Write "0" when writing to this bit. The value is "0" when read.
PD8_5
PD8_6
PD8_7
Port P85 direction register
Port P86 direction register
Port P87 direction register
0 : Input mode
(Functions as an input port)
1 : Output mode
(Functions as an output port)
RW
Port P9 direction register (Note)
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
PD9
Address
03F316
When reset
XXXX00002
Bit symbol
Bit name
Function
RW
PD9_1
PD9_2
PD9_3
PD9_4
Port P90 direction register
Port P91 direction register
Port P92 direction register
Port P93 direction register
0 : Input mode
(Functions as an input port)
1 : Output mode
(Functions as an output port)
Nothing is assigned.
Write "0" when writing to this bit. The value is "0" when read.
Note : Set bit 2 of the protect register (address 000A16) to "1" when writing new values to this register.
Figure 1.17.5. Direction registers
Renesas Technology Corp.
167