r5f21368sdfp Renesas Electronics Corporation., r5f21368sdfp Datasheet - Page 247

• 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
14.5.20 Drive Capacity Control Register 2 (DRR2)
Note:
DRR20 Bit (P8_0 to P8_3 drive capacity)
DRR21 Bit (P8_4 to P8_6 drive capacity)
After Reset
1. Both high and low output are set to high drive capacity.
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Address 002CEh
The set values in the DRR2 register are valid for pins used as output.
The DRR20 bit is used to select whether the drive capacity of the P8_0 to P8_3 output transistors is set to low or
high. This bit is used to select whether the drive capacity of the output transistors is set to low or high for four
pins.
The DRR21 bit is used to select whether the drive capacity of the P8_4 to P8_6 output transistors is set to low or
high. This bit is used to select whether the drive capacity of the output transistors is set to low or high for three
pins.
Symbol
Symbol
DRR20
DRR21
Bit
—
—
—
—
—
—
Preliminary document
Specifications in this document are tentative and subject to change.
b7
—
0
P8_0 to P8_3 drive capacity
P8_4 to P8_6 drive capacity
Reserved
Nothing is assigned. The write value must be 0. The read value is 0.
Reserved
b6
—
0
Bit Name
b5
—
0
b4
—
0
0: Low
1: High
Set to 0.
Set to 0.
b3
—
0
(1)
b2
—
0
DRR21
Function
b1
0
DRR20
b0
0
Page 216 of 725
14. I/O Ports
R/W
R/W
R/W
R/W
R/W
—