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R8C2C Datasheet(PDF) 101 Page - Renesas Technology Corp

Part # R8C2C
Description  RENESAS MCU R8C FAMILY / R8C/2x SERIES
PDF  615 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

R8C2C Datasheet(HTML) 101 Page - Renesas Technology Corp

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R8C/2C Group, R8C/2D Group
7. Programmable I/O Ports
Rev.2.00
Dec 05, 2007
Page 80 of 585
REJ09B0339-0200
X: 0 or 1
NOTE:
1. Pulled up by setting the PU10 bit in the PUR1 register to 1.
X: 0 or 1
NOTES:
1. Pulled up by setting the PU11 bit in the PUR1 register to 1.
2. Since the XCIN-XCOUT oscillation buffer operates with internal step-down power, the XCOUT output level cannot be used as
the CMOS level signal directly.
X: 0 or 1
NOTE:
1. Pulled up by setting the PU11 bit in the PUR1 register to 1.
Table 7.36
VREF
Register
ADCON1
Function
Bit
VCUT
Setting
Value
0
Not the pin function
1
VREF input
Table 7.37
Port P4_3/XCIN
Register
PD4
CM0
CM1
Circuit specifications
Function
Bit
PD4_3
CM04
CM10
CM12
Oscillation
buffer
Feedback
resistor
Setting
Value
00
X
X
OFF
OFF
Input port(1)
1
0
X
X
OFF
OFF
Output port
X
1
0
0
ON
ON
XCIN-XCOUT oscillation (on-chip feedback resistor
enabled)
X
1
0
1
ON
OFF
XCIN-XCOUT oscillation (on-chip feedback resistor
disabled)
X1
1
0OFF
ON
XCIN-XCOUT oscillation stop
1OFF
OFF
X1
0
0ON
ON
External XCIN input
1ON
OFF
Table 7.38
Port P4_4/XCOUT
Register
PD4
CM0
CM1
Circuit specifications
Function
Bit
PD4_4
CM04
CM10
CM12
Oscillation
buffer
Feedback
resistor
Setting
Value
00
X
X
OFF
OFF
Input port(1)
1
0
X
X
OFF
OFF
Output port
X
1
0
0
ON
ON
XCIN-XCOUT oscillation (on-chip feedback resistor
enabled)
X
1
0
1
ON
OFF
XCIN-XCOUT oscillation (on-chip feedback resistor
disabled)
X1
1
0OFF
ON
XCIN-XCOUT oscillation stop
1OFF
OFF
X1
0
0ON
ON
External XCOUT output (inverted output of XCIN)(2)
1ON
OFF
Table 7.39
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



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