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7540 Datasheet(PDF) 196 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) 196 Page - Renesas Technology Corp

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REJ09B0018-0200Z
Rev.2.00
Jun 21, 2004
APPLICATION
7540 Group
2.7 Serial I/O2
2.7 Serial I/O2
This paragraph explains the registers setting method and the notes relevant to the serial I/O.
2.7.1 Memory map
Fig. 2.7.1 Memory map of registers relevant to serial I/O2
2.7.2 Relevant registers
Fig. 2.7.2 Structure of Port P1 direction register
000316
003D16
Port P1 direction register (P1D)
Interrupt request register 2 (IREQ2)
003F16
Interrupt control register 2 (ICON2)
003016
Serial I/O2 control register (SIO2CON)
003116
Serial I/O2 register (SIO2)
Port P1 direction register
b7 b6 b5 b4 b3 b2 b1 b0
B
Function
At reset
RW
0
1
2
3
4
5
6
7
Name
Port P1 direction register
0
0
0
0
0
?
?
?
Port P1 direction register (P1D) [Address : 03 16]
0 : Port P10 input mode
1 : Port P10 output mode
0 : Port P11 input mode
1 : Port P11 output mode
0 : Port P12 input mode
1 : Port P12 output mode
0 : Port P13 input mode
1 : Port P13 output mode
0 : Port P14 input mode
1 : Port P14 output mode
✕
✕
✕
✕
✕
✕
✕
✕
Nothing is allocated for these bits.
When these bits are read out, the values are undefined.
✕
✕
✕



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