r5f21368sdfp Renesas Electronics Corporation., r5f21368sdfp Datasheet - Page 507
r5f21368sdfp
Manufacturer Part Number
r5f21368sdfp
Description
Renesas Mcu R8c Family / R8c/3xt-a Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.R5F21368SDFP.pdf
(760 pages)
Available stocks
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Part Number
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Quantity
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Company:
Part Number:
r5f21368sdfp#V0
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Under development
R8C/36T-A Group
R01UH0240EJ0001 Rev.0.01
Apr 28, 2011
Figure 21.8
Note:
SISR register
SIER register
Write transmit data to SITDR register
1. To set the TEND bit to 0, write 0 after reading it as 1.
Read TDRE bit in SISR register
Read TEND bit in SISR register
Preliminary document
Specifications in this document are tentative and subject to change.
Sample Flowchart for Data Transmission (Clock Synchronous Communication Mode)
transmission
Initialization
TDRE = 1?
TEND = 1?
continues?
Start
Data
End
TEND bit 0
TE_NAKIE bit 0
Yes
No
Yes
No
Yes
No
(1)
(1)
(2)
(3)
(1) After confirming that the TDRE bit is 1 by reading
(2) Determine whether data transmission continues.
(3) When data transmission is completed, the TEND
the SISR register, write the transmit data to the
SITDR register. When the transmit data is written
to the SITDR register, the TDRE bit is
automatically set to 0.
bit is set to 1. Set the TEND bit from 1 to 0 and set
the TE_NAKIE bit to 0 to end transmit mode.
21. Clock Synchronous Serial Interface
Page 476 of 725
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