HT48R065 datasheet(59/94 Pages) HOLTEK

59 / 94 page

HT48R063/064/065/066/0662/067

Rev. 1.30

June 11, 2010

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.

· SCOMC Register

Bit

76543210

Name

ISEL1

ISEL0

SCOMEN

COM3EN

COM2EN

COM1EN

COM0EN

R/W

POR

00000000

Bit 7

Reserved bit

1: Unpredictable operation - bit must NOT be set high

0: Correct level - bit must be reset to zero for correct operation

Bit 6,5

ISEL1, ISEL0: SCOM operating current selection (VDD=5V)

00: 25

01: 50

10: 100

11: 200

Bit 4

SCOMEN: SCOM module On/Off control

0: disable

1: enable

SCOMn can be enable by COMnEN if SCOMEN=1

Bit 3

COM3EN: PB3 or SCOM3 selection

0: GPIO

1: SCOM3

Bit 2

COM2EN: PB2 or SCOM2 selection

0: GPIO

1: SCOM2

Bit 1

COM1EN: PB1 or SCOM1 selection

0: GPIO

1: SCOM1

Bit 0

COM0EN: PB0 or SCOM0 selection

0: GPIO

1: SCOM0

HT48R065 Datasheet(PDF) 59 Page - Holtek Semiconductor Inc

HT48R065 Datasheet(HTML) 59 Page - Holtek Semiconductor Inc

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94

Datasheet Download

Link URL