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HD6432351 Datasheet(PDF) 631 Page - Renesas Technology Corp

Part # HD6432351
Description  16-Bit Single-Chip Microcomputer
PDF  1025 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD6432351 Datasheet(HTML) 631 Page - Renesas Technology Corp

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Section 13 Serial Communication Interface (SCI)
Rev. 3.00 Sep 15, 2006 page 597 of 988
REJ09B0330-0300
Wait
<Transfer start>
Start initialization
Set data transfer format in
SMR and SCMR
No
Yes
Set value in BRR
Clear TE and RE bits in SCR to 0
[2]
[3]
Set TE and RE bits in SCR to 1, and
set RIE, TIE, TEIE, and MPIE bits
Note: In simultaneous transmit and receive operations, the TE and RE bits should both be cleared
to 0 or set to 1 simultaneously.
[4]
1-bit interval elapsed?
Set CKE1 and CKE0 bits in SCR
(TE, RE bits 0)
[1]
[1] Set the clock selection in SCR. Be sure
to clear bits RIE, TIE, TEIE, and MPIE,
TE and RE, to 0.
[2] Set the data transfer format in SMR
and SCMR.
[3] Write a value corresponding to the bit
rate to BRR. Not necessary if an
external clock is used.
[4] Wait at least one bit interval, then set
the TE bit or RE bit in SCR to 1.
Also set the RIE, TIE, TEIE, and MPIE
bits.
Setting the TE and RE bits enables the
TxD and RxD pins to be used.
Figure 13.15 Sample SCI Initialization Flowchart



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