r5f21368sdfp Renesas Electronics Corporation., r5f21368sdfp Datasheet - Page 243

• 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
14.5.15 Pull-Up Control Register 2 (PUR2)
Note:
14.5.16 Port P1 Drive Capacity Control Register (P1DRR)
Note:
After Reset
After Reset
1. When this bit is set to 1 (pulled up), the pin whose port direction bit is set to 0 (input mode) is pulled up.
1. Both high and low output are set to high drive capacity.
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Address 002C8h
Address 002C2h
The set values in the PUR2 register are valid For pins used as input.
The P1DRR register is used to select whether the drive capacity of the P1 output transistor is set to low or high.
The P1DRRj bit (j = 0 to 7) is used to select whether the drive capacity of the output transistor is set to low or
high for each pin.
The set values in the P1DRR register are valid for pins used as output.
Symbol
Symbol P1DRR7 P1DRR6 P1DRR5 P1DRR4 P1DRR3 P1DRR2 P1DRR1 P1DRR0
P1DRR0 P1_0 drive capacity
P1DRR1 P1_1 drive capacity
P1DRR2 P1_2 drive capacity
P1DRR3 P1_3 drive capacity
P1DRR4 P1_4 drive capacity
P1DRR5 P1_5 drive capacity
P1DRR6 P1_6 drive capacity
P1DRR7 P1_7 drive capacity
Symbol
Symbol
PUR20
PUR21
Bit
Bit
—
—
—
—
—
—
Preliminary document
Specifications in this document are tentative and subject to change.
b7
b7
—
0
0
P8_0 to P8_3 pull-up
P8_4 to P8_6 pull-up
Reserved
b6
b6
—
0
0
Bit Name
Bit Name
b5
b5
—
0
0
b4
b4
—
0
0
0: Not pulled up
1: Pulled up
Set to 0.
0: Low
1: High
b3
b3
—
0
0
(1)
b2
(1)
b2
—
0
0
PUR21
Function
Function
b1
b1
0
0
PUR20
b0
b0
0
0
Page 212 of 725
14. I/O Ports
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W