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R8C/23 Datasheet(PDF) 85 Page - Renesas Technology Corp

Part # R8C/23
Description  MCU R8C FAMILY / R8C/2x SERIES
PDF  549 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

R8C/23 Datasheet(HTML) 85 Page - Renesas Technology Corp

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R8C/22 Group, R8C/23 Group
7. Programmable I/O Ports
Rev.2.00 Aug 20, 2008
Page 65 of 501
REJ09B0251-0200
X: 0 or 1
NOTE:
1.
Pulled up by setting the PU11 bit in the PUR0 register to 1.
X: 0 or 1
X: 0 or 1
X: 0 or 1
NOTE:
1.
Pulled up by setting the PU14 bit in the PUR0 register to 1.
X: 0 or 1
NOTE:
1.
Pulled up by setting the PU14 bit in the PUR0 register to 1.
Table 7.37
Port P4_5/INT0
Register
PD4
INTEN
Function
Bit
PD4_5
INT0EN
Setting
value
0X
Input port(1)
1
X
Output port
01
INT0 input
Table 7.38
Port P4_6/XIN
Register
CM1
CM0
Circuit specifications
Function
Bit
CM13
CM10
CM05
Oscillation
buffer
Feedback
resistor
Setting
value
0
X
X
OFF
OFF
Input port
1
0
0
ON
ON
XIN-XOUT oscillation
1
0
1
OFF
ON
External XIN input
1
1
0
OFF
OFF
XIN-XOUT oscillation stop
1
1
1
OFF
OFF
XIN-XOUT oscillation stop
Table 7.39
Port P4_7/XOUT
Register
CM1
CM0
Circuit specifications
Function
Bit
CM13
CM10
CM05
Oscillation
buffer
Feedback
resistor
Setting
value
0
X
X
OFF
OFF
Input port
1
0
0
ON
ON
XIN-XOUT oscillation
1
0
1
OFF
ON
XOUT is “H” pull-up
1
1
0
OFF
OFF
XIN-XOUT oscillation stop
1
1
1
OFF
OFF
XIN-XOUT oscillation stop
Table 7.40
Port P6_0/TREO
Register
PD6
TRECR1
Function
Bit
PD6_0
TOENA
Setting
value
00
Input port(1)
1
0
Output port
X
1
TREO output
Table 7.41
Port P6_1/CTX0
Register
PD6
C0CTLR
Function
Bit
PD6_1
PortEn
Setting
value
00
Input port(1)
1
0
Output port
X
1
CTX0 output



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