r5f21368sdfp Renesas Electronics Corporation., r5f21368sdfp Datasheet - Page 249

• 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
14.5.22 Input Threshold Control Register 1 (VLT1)
After Reset
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Address 002D1h
The VLT1 register is used to select the voltage level of the input threshold values for ports P4_2 to P4_7, P5_0
to P5_4, P5_6, P5_7, and P6. Bits VLT10 to VLT15 are used to select the input threshold values among three
voltage levels (0.35 VCC, 0.50 VCC, and 0.70 VCC).
Symbol
Symbol
VLT10
VLT12
VLT13
VLT14
VLT15
Bit
VLT11
—
—
Preliminary document
Specifications in this document are tentative and subject to change.
b7
—
0
P4_2 to P4_7 input level select bits
P5_0 to P5_4, P5_6, P5_7 input level
select bits
P6 input level select bits
Reserved
b6
—
0
Bit Name
VLT15
b5
0
VLT14
b4
0
VLT13
Set to 0.
b3
b1 b0
b3 b2
b5 b4
0 0: 0.50 × VCC
0 1: 0.35 × VCC
1 0: 0.70 × VCC
1 1: Do not set.
0 0: 0.50 × VCC
0 1: 0.35 × VCC
1 0: 0.70 × VCC
1 1: Do not set.
0 0: 0.50 × VCC
0 1: 0.35 × VCC
1 0: 0.70 × VCC
1 1: Do not set.
0
VLT12
b2
0
VLT11
Function
b1
0
VLT10
b0
0
Page 218 of 725
14. I/O Ports
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W