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7540 Datasheet(PDF) 86 Page - Renesas Technology Corp

Part # 7540
Description  8-BIT CISC SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 740 SERIES
PDF  366 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

7540 Datasheet(HTML) 86 Page - Renesas Technology Corp

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2-10
REJ09B0018-0200Z
Rev.2.00
Jun 21, 2004
APPLICATION
7540 Group
2.1 I/O port
2.1.5 Handling of unused pins
Table 2.1.1 Handling of unused pins
Pins/Ports name
P0, P1, P2, P3
VREF
XIN
XOUT
Handling
•Set to the input mode and connect each to Vcc or Vss through a resistor of 1 k
Ω to
10 k
Ω.
•Set to the output mode and open at “L” or “H” level.
•Connect to Vss (GND).
•Connect to VSS (GND) when using an on-chip oscillator for main clock.
•Open when using an external clock.
•Open when using an on-chip oscillator for main clock.



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