HT48R064_12 HOLTEK [Holtek Semiconductor Inc], HT48R064_12 Datasheet - Page 61

• Manufacturer Part Number: HT48R064_12
• Description: Enhanced I/O Type 8-Bit OTP MCU
• Manufacturer: HOLTEK [Holtek Semiconductor Inc]

LCD Bias Control
The LCD COM driver enables a range of selections to be provided to suit the requirement of the LCD panel which is be-
ing used. The bias resistor choice is implemented using the ISEL1 and ISEL0 bits in the SCOMC register.
Rev. 1.40
SCOMC Register
Bit 7
Bit 6,5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Name
POR
R/W
Bit
R/W
Reserved bit
1: Unpredictable operation - bit must NOT be set high
0: Correct level - bit must be reset to zero for correct operation
ISEL1, ISEL0: SCOM operating current selection (V
SCOMEN: SCOM module On/Off control
SCOMn can be enable by COMnEN if SCOMEN=1
COM3EN: PB3 or SCOM3 selection
COM2EN: PB2 or SCOM2 selection
COM1EN: PB1 or SCOM1 selection
COM0EN: PB0 or SCOM0 selection
7
0
00: 25 A
01: 50 A
10: 100 A
11: 200 A
0: disable
1: enable
0: GPIO
1: SCOM3
0: GPIO
1: SCOM2
0: GPIO
1: SCOM1
0: GPIO
1: SCOM0
ISEL1
R/W
6
0
ISEL0
R/W
5
0
SCOMEN
R/W
61
4
0
HT48R063/064/065/066/0662/067
COM3EN
R/W
3
0
DD
=5V)
COM2EN
R/W
2
0
COM1EN
R/W
1
0
October 23, 2012
COM0EN
R/W
0
0