r5f21368sdfp Renesas Electronics Corporation., r5f21368sdfp Datasheet - Page 432

• 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
20.2.3
Note:
After Reset
After Reset
b10
b12
b13
b14
b15
b11
1. When 8-bit access is performed when the data transfer length is 9 bits in UART mode or when using the
Bit
b0
b1
b2
b3
b4
b5
b6
b7
b8
b9
Address 000C2h
multiprocessor communication function, set b0 to b7 after the MPTB bit is set.
Write to the U2TB register using the MOV instruction.
Symbol
Symbol
Symbol
Bit
Bit
MPTB
UART2 Transmit Buffer Register (U2TB)
—
—
—
—
—
—
—
—
(1)
—
—
—
—
—
—
—
Preliminary document
Specifications in this document are tentative and subject to change.
b15
b7
—
—
0
0
Transmit data (D7 to D0)
[When the multiprocessor communication function is not used]
Transmit data (D8)
[When the multiprocessor communication function is used]
• To transfer an ID, set the MPTB bit to 1.
• To transfer data, set the MPTB bit to 0.
Nothing is assigned. The write value must be 0. The read value is 0.
b14
b6
—
—
0
0
b13
b5
—
—
0
0
b12
b4
—
—
0
0
Function
b11
b3
—
—
0
0
b10
b2
—
—
0
0
b1
b9
—
—
0
0
20. Serial Interface (UART2)
MPTB
b0
b8
—
0
0
Page 401 of 725
R/W
W
W
W
W
W
W
W
W
W
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