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7477 Datasheet(PDF) 142 Page - Renesas Technology Corp

Part # 7477
Description  8-BIT SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 7470 SERIES
PDF  354 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

7477 Datasheet(HTML) 142 Page - Renesas Technology Corp

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1-125
7470/7471/7477/7478 GROUP USER’S MANUAL
HARDWARE
1.13 Serial I/O
Fig. 1.13B.12 Receive timing chart of UART
A
D6
PAR
SP
D1
D2
RXD pin
ST
D0
Synchronous clock
: • Clearing by writing “0” to the receive interrupt request bit.
• Clearing by accepting the receive interrupt.
Receive buffer full flag
Receive enable bit
Receive interrupt request bit
Receive buffer register
read out signal
Receive started
by falling of ST
Read into Receive shift register
Test that level of ST
is “L”
A



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