Under development
Preliminary specification
Specifications in this manual are tentative and subject to change.
R8C/L35A Group, R8C/L36A Group, R8C/L38A Group, R8C/L3AA Group,
R8C/L35B Group, R8C/L36B Group, R8C/L38B Group, R8C/L3AB Group
7. I/O Ports
7.4.23
Input Threshold Control Register 2 (VLT2)
b6
0
b5
0
b4
0
b3
0
b2
0
b1
0
Function
b1 b0
Address 01F7h
Bit
b7
Symbol VLT17
After Reset
0
Bit
b0
b1
b0
0
R/W
R/W
R/W
Symbol
Bit Name
VLT20 P10 input level select bit
VLT21
0 0: 0.50 × VCC
0 1: 0.35 × VCC
1 0: 0.70 × VCC
1 1: Do not set.
b3 b2
b2
b3
VLT22
VLT23
P11 input level select bit
0 0: 0.50 × VCC
0 1: 0.35 × VCC
1 0: 0.70 × VCC
1 1: Do not set.
b5 b4
R/W
R/W
b4
b5
VLT24
VLT25
P12_0 to P12_3 input level select bit
0 0: 0.50 × VCC
0 1: 0.35 × VCC
1 0: 0.70 × VCC
1 1: Do not set.
b7 b6
R/W
R/W
b6
b7
VLT26
VLT27
P13 input level select bit
0 0: 0.50 × VCC
0 1: 0.35 × VCC
1 0: 0.70 × VCC
1 1: Do not set.
R/W
R/W
The VLT2 register selects the voltage level of the input threshold values for ports P10 to P13. Bits VLT20 to
VLT27 are used to select the input threshold values among three voltage levels (0.35 VCC, 0.50 VCC, and 0.70
VCC).
REJ09B0441-0010 Rev.0.10
Page 103 of 809
Jul 30, 2008
RENESAS [ RENESAS TECHNOLOGY CORP ]
