r5f21368sdfp Renesas Electronics Corporation., r5f21368sdfp Datasheet - Page 238

• 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
14.5.9
After Reset
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Address 002B3h
The U2SR1 register is used to select which pin is assigned to the UART2 I/O. To use the I/O pin for UART2, set
this register.
Set the U2SR1 register before setting the registers associated with UART2. Also, do not change the set value of
this register during UART2 operation.
Symbol
CLK2SEL0 CLK2 pin select bits
CLK2SEL1
CLK2SEL2
CTS2SEL0 CTS2/RTS2 pin select bits
CTS2SEL1
Bit
Symbol
UART2 Pin Select Register 1 (U2SR1)
—
—
—
Preliminary document
Specifications in this document are tentative and subject to change.
b7
—
0
Nothing is assigned. The write value must be 0. The read value is 0.
Nothing is assigned. The write value must be 0. The read value is 0.
b6
—
0
CTS2SEL1 CTS2SEL0
Bit Name
b5
0
b4
0
Other than the above: Do not set.
Other than the above: Do not set.
b2 b1 b0
b5 b4
0 0 0: CLK2 pin not used
0 0 1: P3_5 assigned
0 1 0: Do not set.
0 1 1: P6_5 assigned
0 0: CTS2/RTS2 pin not used
0 1: P3_3 assigned
b3
—
0
CLK2SEL2 CLK2SEL1 CLK2SEL0
b2
0
Function
b1
0
b0
0
Page 207 of 725
14. I/O Ports
R/W
R/W
R/W
R/W
R/W
R/W
—
—