r5f21368sdfp Renesas Electronics Corporation., r5f21368sdfp Datasheet - Page 540

• Manufacturer Part Number: r5f21368sdfp
• Description: Renesas Mcu R8c Family / R8c/3xt-a Series
• Manufacturer: Renesas Electronics Corporation.

Under development
R8C/36T-A Group
R01UH0240EJ0001 Rev.0.01
Apr 28, 2011
Figure 21.33
SISR register
SISR register
SICR1 register
SISR register
Write transmit data to SITDR register
Write transmit data to SITDR register
Preliminary document
Specifications in this document are tentative and subject to change.
Register Setting Example in Slave Transmit Mode (I
Read TDRE bit in SISR register
Read TEND bit in SISR register
Dummy read SIRDR register
No
No
No
Slave transmit mode
TDRE = 1?
TEND = 1?
Last byte?
End
AAS bit  0
TEND bit  0
TRS bit  0
TDRE bit  0
Yes
Yes
Yes
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(1) Set the AAS bit to 0.
(2) Set the transmit data (except the last byte).
(3) Wait until the SITDR register is empty.
(4) Set the transmit data of the last byte.
(5) Wait until the last byte is transmitted.
(6) Set the TEND bit to 0.
(7) Set to slave receive mode.
(8) Dummy read the SIRDR register to release the
(9) Set the TDRE bit to 0.
SCL signal.
21. Clock Synchronous Serial Interface
2
C bus Interface Mode)
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