r5f21368sdfp Renesas Electronics Corporation., r5f21368sdfp Datasheet - Page 457

• 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 20.14
(1) IICM2 = 0 (NACK/ACK interrupt), CKPH = 0 (no clock delay)
(2) IICM2 = 0, CKPH = 1 (with clock delay)
(3) IICM2 = 1 (UART transmit/receive interrupt), CKPH = 0
(4) IICM2 = 1, CKPH = 1
SCL2
SDA2
SCL2
SDA2
SCL2
SDA2
SCL2
SDA2
Preliminary document
Specifications in this document are tentative and subject to change.
Transfer to U2RB Register and Interrupt Timing
1st bit
1st bit
1st bit
1st bit
D7
D7
D7
D7
2nd bit
2nd bit
2nd bit
2nd bit
D6
D6
D6
D6
3rd bit
3rd bit
3rd bit
3rd bit
D5
D5
D5
D5
4th bit
4th bit
4th bit
4th bit
D4
D4
D4
D4
b15

5th bit
5th bit
5th bit
5th bit
• • •
D3
D3
D3
D3
b9
Transfer to U2RB register (1)

Transfer to U2RB register (1)
b8
D0
6th bit
6th bit
6th bit
6th bit
b7

Transfer to U2RB register
D2
D2
D2
D2
D7
D6
7th bit
7th bit
7th bit
7th bit
Receive interrupt
Receive interrupt Transmit interrupt
D1
D1
D1
D5
D1
D4
8th bit
8th bit
8th bit
8th bit
D3
D0
D0
D0
D0
D2
D1
b0
9th bit
9th bit
9th bit
9th bit
Transfer to U2RB register
Transfer to U2RB register
ACK interrupt, NACK interrupt
ACK interrupt, NACK interrupt
D8 (ACK, NACK)
D8 (ACK, NACK)
D8(ACK, NACK)
D8(ACK, NACK)
b15
b15
b15



Transfer to U2RB register (2)
b15

• • •
• • •
• • •
• • •
Transmit interrupt
b9
b9
b9
Transfer to U2RB register (2)



b9

U2RB register contents
U2RB register contents
U2RB register contents
b8
D8
b8
D8
b8
D0
D8
b8
b7
D7
b7
D7
b7

b7
D7
20. Serial Interface (UART2)
D6
D6
D7
D6
D5
D5
D6
D5
D4
D4
D5
D4
D3
D3
D4
D3
D2
D2
D3
D2
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D1
D1
D2
D1
D0
D0
D1
b0
b0
b0
D0
b0