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HD4046212RFS Datasheet(PDF) 91 Page - Renesas Technology Corp

Part # HD4046212RFS
Description  AS Microcomputer Incorporating a DTMF Generator Circuit
PDF  157 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD4046212RFS Datasheet(HTML) 91 Page - Renesas Technology Corp

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HD404629R Series
89
Transfer completion
(IFS
1)
Interrupts inhibited
IFS
0
SMRA write
IFS = 1?
Transmit clock
error processing
Normal
termination
←
←
Yes
No
Transmit clock error detection flowchart
,

Transmit clock error detection procedure
State
SCK pin (input)
Transmit clock
wait state
Transfer state
Transfer state
Transmit clock wait state
Noise
Transfer state has been
entered by the transmit clock
error. When SMRA is written,
IFS is set.
Flag set because octal
counter reaches 000
Flag reset at
transfer completion
SMRA write
IFS
12
3
4
56
78
Figure 73 Transmit Clock Error Detection



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