Datasheet

Table Of Contents
Section 9 I/O Ports
Rev. 2.00 Jul. 04, 2007 Page 158 of 692
REJ09B0309-0200
P12/TIOCA1/TCLKA pin
Register
Name
TMDR_1 TIOR_1 TCR_1 PCR1
Bit Name MD1, MD0 IOA3 to IOA0 CCLR1,
CCLR0
PCR12
Pin Function
0 P12 input pin/TCLKA*
1
input pin B'0x00
1 P12 output pin/TCLKA*
1
input pin
0 P12 input pin/TIOCA1/TCLKA*
1
input pin B'1xxx
1 P12 output pin/TIOCA1/TCLKA*
1
input pin
B'00
B'0001 to
B'0011,
B'0101 to
B'0111
x TIOCA1 output pin*
2
/TCLKA*
1
input pin
0 P12 input pin/TCLKA*
1
input pin B'01 B'xxxx
1 P12 output pin/TCLKA*
1
input pin
0 P12 input pin/TCLKA*
1
input pin B'xx00
1 P12 output pin/TCLKA*
1
input pin
B'10
Other than
B'xx00
x TIOCA1 output pin*
2
/TCLKA*
1
input pin
0 P12 input pin/TCLKA*
1
input pin B'xx00
B'xx
1 P12 output pin/TCLKA*
1
input pin
0 P12 input pin/TCLKA*
1
input pin B'01
1 P12 output pin/TCLKA*
1
input pin
Setting
Value
B'11
Other than
B'xx00
Other than
B'01
x TIOCA1 output pin/TCLKA*
1
input pin
[Legend]
x: Don't care
Notes: 1. When the TPSC2 to TPSC0 bits in either TCR_1 or TCR_2 are set to B'100, the pin
function becomes the TCLKA input pin.
2. The output of the TIOCB1 pin is disabled.