r5f21368sdfp Renesas Electronics Corporation., r5f21368sdfp Datasheet - Page 466

• 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 20.21
(2) Flow of Control
Flow of control in the multimaster operating environment is shown in Figures 20.21 to 20.24.
Preliminary document
Specifications in this document are tentative and subject to change.
Flow of Control 1 (I
Set pins SDA2 and SCL2 to input
Enable transmission/reception
Enable conditional interrupts
Reference register settings
U2BCNIC  00000001b
U2SMR3  01100010b
To transmission/reception
U2BCNIC  00000000b
U2SR0  01010101b
U2SMR2  01010001b
U2SMR4  01010000b
U2SMR4  01110000b
U2SMR5  00000000b
U2SMR  00000001b
Clear interrupt sources
U2SR1  00000000b
U2TIC  00000000b
U2RIC  00000000b
U2MR  00000010b
U2BRG  Baud rate
U2C0  10110000b
U2C1  00010101b
I
start processing
I
2
2
PD6_6  0
PD6_7  0
C pin selection
Set I
C initialization
2
C mode
(1)
(1)
2
C Initialization Processing)
(1)
(2)
(3)
Notes:
1. Example when SDA2 is allocated to P6_6
2. Example when SDA2 delay is 3 or 4 cycles.
3. Example when interrupt priority level is 1.
and SCL2 is allocated to P6_7.
20. Serial Interface (UART2)
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