h8s-2649 Renesas Electronics Corporation., h8s-2649 Datasheet - Page 454
h8s-2649
Manufacturer Part Number
h8s-2649
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2649.pdf
(766 pages)
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Section 13 Serial Communication Interface (SCI)
TEIE = 0). Setting TE and TIE to 1 after mode cancellation generates a TXI interrupt request to
start transmission using the DTC.
Rev. 2.00 Dec. 05, 2005 Page 416 of 724
REJ09B0200-0200
Figure 13.34 Sample Flowchart for Mode Transition during Transmission
Make transition to software standby mode etc.
Cancel software standby mode etc.
Change operating mode?
Read TEND flag in SSR
All data transmitted?
Start transmission
Transmission
Initialization
TEND = 1
Yes
Yes
Yes
TE = 0
[2]
No
No
No
TE = 1
[1]
[3]
[1] Data being transmitted is lost
[2] Also clear TIE and TEIE to 0
[3] Module stop, watch, sub-active,
halfway. Data can be normally
transmitted from the CPU by
setting TE to 1, reading SSR,
writing to TDR, and clearing
TDRE to 0 after mode
cancellation; however, if the DTC
has been initiated, the data
remaining in DTC RAM will be
transmitted when TE and TIE are
set to 1.
when they are 1.
and sub-sleep modes are
included.
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