HD6412320 RENESAS [Renesas Technology Corp], HD6412320 Datasheet - Page 679

• Manufacturer Part Number: HD6412320
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Note: In simultaneous transmit and receive operations, the TE and RE bits should
set RIE, TIE, TEIE, and MPIE bits
Set TE or RE bit in SCR to 1, and
Clear TE and RE bits in SCR to 0
Set CKE1 and CKE0 bits in SCR
Set data transfer format in
both be cleared to 0 or set to 1 simultaneously.
1-bit interval elapsed?
Start of initialization
Set value in BRR
SMR and SCMR
<Transfer start>
(TE, RE bits 0)
as necessary
Figure 14.15 Sample SCI Initialization Flowchart
Yes
Wait
No
[4]
[2]
[3]
[1]
Section 14 Serial Communication Interface (SCI)
[1] Set the clock selection in SCR. Be sure
[2] Set the data transfer format in SMR
[3] Write a value corresponding to the bit
[4] Wait at least one bit interval, then set
to clear bits RIE, TIE, TEIE, and MPIE,
TE and RE, to 0.
and SCMR.
rate to BRR. (Not necessary if an
external clock is used.)
the TE bit or RE bit in SCR to 1.
Also set the RIE, TIE, TEIE, and MPIE
bits as necessary.
Setting the TE or RE bit enables the
TxD or RxD pin to be used.
Rev.6.00 Sep. 27, 2007 Page 649 of 1268
REJ09B0220-0600