CFA633-RDI-KS datasheet(44/88 Pages) CRYSTAIFONTZ

44 / 88 page

Crystalfontz America, Inc.

Data Sheet Release Date 2012/02/21

www.crystalfontz.com

CFA633-RDI-KS LCD Module (Hardware v2.0 / Firmware s2v1)

February 2012

Page 44

The return packet will be:

type: 0x40 | 0x0A = 0x4A = 7410

data_length = 9

data[0

] of the return packet will be the address code.

data[1-8]

of the return packet will be the data read from the LCD controller's memory.

11 (0x0B): Set LCD Cursor Position

This command allows the cursor to be placed at the desired location on the CFA633’s LCD screen. If you want the cursor

to be visible, you may also need to send a command 12 (0x0C): Set LCD Cursor Style (Pg. 44).

type: 0x0B = 1110

valid data_length is 2

data[0] = column (0-15 valid)

data[1] = row (0-1 valid)

The return packet will be:

type: 0x40 | 0x0B = 0x4B = 7510

data_length = 0

Set LCD Cursor Position is one of the items stored by the command 4 (0x04): Store Current State As Boot State (Pg. 39).

12 (0x0C): Set LCD Cursor Style

This command allows you to select among four hardware generated cursor options.

type: 0x0C = 1210

valid data_length is 1

data[0] = cursor style (0-3 valid)

0 = no cursor.

1 = blinking block cursor.

2 = static underscore cursor.

3 = blinking underscore cursor.

(Note for 3: This behavior is different from the previous CFA633 HW v1.x family

which had a blinking block with a static underscore cursor.)

The return packet will be:

type: 0x40 | 0x0C = 0x4C = 7610

data_length = 0

Set LCD Cursor Style is one of the items stored by the command 4 (0x04): Store Current State As Boot

State (Pg. 39).

13 (0x0D): Set LCD Contrast

This command sets the contrast or vertical viewing angle of the display. Initiated by the host, responded to by the

CFA633.

type: 0x0D = 1310

valid data_length is 1

data[0] = contrast setting (0-50 valid)

0 = light

(Vlcd=4v)

16 = about right

(Vlcd=5v)

29 = dark

(Vlcd=6v)

30-50 = very dark (Vlcd=6.0 to 6.7v)

(may be useful at cold temperatures)

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