R8C/1A Group, R8C/1B Group
5. Programmable I/O Ports
Rev.1.30
Dec 08, 2006
Page 34 of 315
REJ09B0252-0130
X: 0 or 1
X: 0 or 1
X: 0 or 1
Table 5.10
Port P1_6/CLK0/SSI01
Register
PD1
PUR0
U0MR
SSU (Refer to
Table 16.4 Association
between Communication Modes and
I/O Pins
)
PMR
Function
Bit
PD1_6
PU03
SMD2, SMD1,
SMD0, CKDIR
SSI Output Control
SSI Input Control SSISEL
Setting
Value
0
0
Other than 0X10b
0
0
X
Input port (not pulled up)
0
1
Other than 0X10b
0
0
X
Input port (pulled up)
0
0
XXX1b
0
0
X
CLK0 (external clock) input
1
X
Other than 0X10b
0
0
X
Output port
X
X
0X10b
0
0
X
CLK0 (internal clock)
output
X
X
XXXXb
0
1
1
SSI01 input
X
X
XXXXb
1
0
1
SSI01 output
Table 5.11
Port P1_7/CNTR00/INT10
Register
PD1
PUR0
TXMR
UCON
Function
Bit
PD1_7
PU03
TXMOD1, TXMOD0
CNTRSEL
Setting
Value
0
0
Other than 01b
X
Input port (not pulled up)
0
1
Other than 01b
X
Input port (pulled up)
0
0
Other than 01b
0
CNTR00/INT10 input
1
X
Other than 01b
X
Output port
X
X
Other than 01b
0
CNTR00 output
Table 5.12
Port P3_3/TCIN/INT3/SSI00/CMP1_0
Register
PD3
PUR0
SSU (Refer to
Table 16.4
Association between
Communication Modes
and I/O Pins
)
TCOUT
P3
PMR
Function
Bit
PD3_3
PU06
SSI Output
Control
SSI Input
Control
TCOUT3
P3_3
SSISEL
Setting
Value
0
0
0
0
0
X
X
Input port (not pulled up)
0
1
0
0
0
X
X
Input port (pulled up)
X
0
0
1
X
X
0
SSI00 input
1
X
0
0
0
X
X
Output port
X
X
0
0
1
0
X
Output port
X
X
0
0
1
1
X
CMP1_0 output
X
X
1
0
X
X
0
SSI00 output
0
X
0
0
0
X
X
TCIN input/INT3