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7477 Datasheet(PDF) 103 Page - Renesas Technology Corp

Part # 7477
Description  8-BIT SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 7470 SERIES
PDF  361 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

7477 Datasheet(HTML) 103 Page - Renesas Technology Corp

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HARDWARE
1-96
7470/7471/7477/7478 GROUP USER’S MANUAL
1.13 Serial I/O
Fig. 1.13A.4 Serial I/O receive operation
Fig. 1.13A.5 Serial I/O receive timing chart
P14/SIN
b0
D1
D2
D3
D0
b0
P14/SIN
D0
D5
D2
D6
D7
D3
D4
D0
D1
1
b6
0
1
2
3
Synchronous
clock
Serial I/O register
Serial I/O register
Synchronous
clock
Synchronous clock
Serial I/O
register
by rising edge
Interrupt request
register 1
(Address 00FC16)
A
Synchronous clock,
internal clock divided by 8 to 512, or
external clock
SIN pin
SRDY signal
Writing data to
Serial I/O register
Serial I/O interrupt enable bit
Serial I/O interrupt request bit
A:
• Clearing by writing “0” to the Serial I/O interrupt request bit.
• Clearing by accepting the Serial I/O interrupt.
Reading into Serial I/O register
SARDY signal
D1
D2
D3
D4
D5
D6
D7
D0



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