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R8C/2G 数据表(PDF) 101 Page - Renesas Technology Corp

部件名 R8C/2G
功能描述  RENESAS MCU R8C FAMILY / R8C/2x SERIES
PDF  344 Pages
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制造商  RENESAS [Renesas Technology Corp]
网页  http://www.renesas.com
标志 RENESAS - Renesas Technology Corp

R8C/2G 数据表(HTML) 101 Page - Renesas Technology Corp

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R8C/2G Group
8. I/O Ports
Rev.1.00
Apr 04, 2008
Page 81 of 318
REJ09B0387-0100
X: 0 or 1
NOTES:
1. Pulled up by setting the PU10 bit in the PUR1 register to 1.
2. Refer to 8.6.1 Port P4_3, P4_4.
X: 0 or 1
NOTE:
1. Refer to 8.6.1 Port P4_3, P4_4.
NOTE:
1. Pulled up by setting the PU11 bit in the PUR1 register to 1.
Table 8.26
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, 2)
10
X
X
OFF
OFF
Output port(2)
X
1
0
0
ON
ON
XCIN clock oscillation (on-chip feedback
resistor enabled)
X
1
0
1
ON
OFF
XCIN clock oscillation (on-chip feedback
resistor disabled)
X1
1
0OFF
ON
XCIN clock oscillation stop
1OFF
OFF
X1
0
0ON
ON
External XCIN clock input
1ON
OFF
Table 8.27
Port P4_4/(XCOUT)
Register
PD4
CM0
CM1
Circuit specifications
Function
Bit
PD4_4
CM04
CM10
CM12
Oscillation
buffer
Feedback
resistor
Setting
value
10
X
X
OFF
OFF
Output port(1)
X
1
0
0
ON
ON
XCIN clock oscillation (on-chip feedback
resistor enabled)
X
1
0
1
ON
OFF
XCIN clock oscillation (on-chip feedback
resistor disabled)
X1
1
0OFF
ON
XCIN clock oscillation stop
1OFF
OFF
X1
0
0ON
ON
External XCOUT clock output (inverted
output of XCIN clock)
1ON
OFF
Table 8.28
Port P4_5/INT0
Register
PD4
INTEN
Function
Bit
PD4_5
INT0EN
Setting
value
00
Input port(1)
1
0
Output port
01
INT0 input



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