ACS ACR1283L User Manual
Page 52
ACR1283L – Reference Manual
Version 1.00
www.acs.com.hk
Page 52 of 55
Scrolling Control Format (6 Bytes)
Where:
X Position:
Horizontal start up position. Please refer to the LCD display position below.
Y Position:
Vertical start up position. Please refer to the LCD display position below.
LCD Display Position (Total LCD Size: 128x32)
Byte 0x00h (X = 0x00h) Byte 0x01h (X = 0x01h) … Byte 0x0Fh (X = 0x0Fh)
7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 … 7 6 5 4 3 2 1 0
0x00h
0x01h
0x02h
0x03h
0x04h
0x05h
0x06h
0x07h
0x08h
0x09h
…
…
0x1Fh
Where:
Scrolling Range (Horizontal): How many 8 pixels in Horizontal after X position is scrolled
Scrolling Range (vertical):
How many pixels in Vertical after Y position is scrolled
Refresh Speed Ctrl:
Bit 0~Bit 3 – How many pixel moves pre-scrolling
Bit 4~Bit 7 – Scrolling period
Bit7
Bit6
Bit5
Bit4
Scrolling Period
0
0
0
0
1 Unit
0
0
0
1
3 Units
0
0
1
0
5 Units
0
0
1
1
7 Units
0
1
0
0
17 Units
0
1
0
1
19 Units
0
1
1
0
21 Units
Byte 0
Byte 1
Byte 2
Byte 3
Byte 4
Byte 5
X Position
Y Position
Scrolling Range
(Horizontal)
Scrolling Range
(Vertical)
Refresh Speed
Ctrl
Scrolling
Direction