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R8C/29 Datasheet(PDF) 85 Page - Renesas Technology Corp

Part # R8C/29
Description  RENESAS 16-BIT SINGLE-CHIP MCU R8C FAMILY / R8C/2x SERIES
PDF  471 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

R8C/29 Datasheet(HTML) 85 Page - Renesas Technology Corp

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R8C/28 Group, R8C/29 Group
7. Programmable I/O Ports
Rev.2.10
Sep 26, 2008
Page 68 of 441
REJ09B0279-0210
X: 0 or 1
NOTES:
1. 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.
2. For N, D version only.
Table 7.25
Port P4_7/XOUT/XCOUT
Register
CM0
CM1
Circuit specifications
Function
Bit
CM01
CM04
CM05
CM13
CM12
CM11
CM10
Oscillation
buffer
Feedback
resistor
Setting
Value
X0
1
0
X
X
0
OFF
−
Input port
0X
0
1X
0
0
ON
ON
XIN clock oscillation (on-chip
feedback resistor enabled)
1ON
OFF
XIN clock oscillation (on-chip
feedback resistor disabled)
1
0
OFF
ON
External clock input
0OFF
ON
XIN clock oscillation stop (on-
chip feedback resistor enabled)
1OFF
OFF
XIN clock oscillation stop (on-
chip feedback resistor disabled)
11
OFF
OFF
XOUT pulled up(2)
1
1
XX
0
X
0
ON
ON
XCIN clock oscillation (on-chip
feedback resistor enabled)(1, 2)
1ON
OFF
XCIN clock oscillation (on-chip
feedback resistor disabled)(1, 2)
0
0OFF
ON
External XCIN clock input(2)
0OFF
ON
XCIN clock oscillation stop (on-
chip feedback resistor
enabled)(2)
1OFF
OFF
XCIN clock oscillation stop (on-
chip feedback resistor
disabled)(2)
11
OFF
OFF
XCOUT pulled up(2)



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