r5f21368sdfp Renesas Electronics Corporation., r5f21368sdfp Datasheet - Page 495

• 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
21.2.8
Note:
21.2.8.1
After Reset
1. In 4-wire bus (multidirectional) communication mode, do not set both the TE_NAKIE and RE_STIE bits to 1.
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Address 000E9h (SIER_0)
In the SIER register, the bit functions differ depending on the SSU function and the I
If these bits are set to 1, the RE_STIE is set to 0.
Symbol
CEIE_ACKBT Conflict error interrupt enable bit
Bit
TE_NAKIE
RE_STIE
SI Interrupt Enable Register (SIER)
ACKBR
Symbol
ACKE
TEIE
RIE
TIE
Preliminary document
Specifications in this document are tentative and subject to change.
SSU Function
TIE
b7
0
Reserved
Reserved
Receive enable bit
Transmit enable bit
Receive interrupt enable bit
Transmit end interrupt enable bit
Transmit interrupt enable bit
TEIE
b6
0
RIE
Bit Name
b5
0
(1)
TE_NAKIE
b4
0
RE_STIE
0: Conflict error interrupt request disabled
1: Conflict error interrupt request enabled
The read value is 0.
Set to 0.
0: Reception disabled
1: Reception enabled
0: Transmission disabled
1: Transmission enabled
0: Receive data full and overrun error
1: Receive data full and overrun error
0: Transmit end interrupt request disabled
1: Transmit end interrupt request enabled
0: Transmit data empty interrupt request
1: Transmit data empty interrupt request
b3
0
interrupt requests disabled
interrupt requests enabled
disabled
enabled
ACKE
b2
0
21. Clock Synchronous Serial Interface
Function
ACKBR CEIE_ACKBT
b1
0
2
C bus function.
b0
0
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R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
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