User's Manual

ACR122L
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USB
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ACS
0x05
0x06
0x07
0x08
0x09
… …
0x1F
Scrolling Range (Horizontal): How many 8 pixels in Horizontal after X position will be scrolled
Scrolling Range (vertical): How many pixels in Vertical after Y position will be scrolled
Refresh Speed Ctrl:
Bit0~Bit3 – how many pixel move pre scrolling
Bit4~Bit7 – 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
0 1 1 1 23 Units
1 0 0 0 129 Units
1 0 0 1 131 Units
1 0 1 0 133 Units
1 0 1 1 135 Units
1 1 0 0 145 Units
1 1 0 1 147 Units
1 1 1 0 149 Units
1 1 1 1 151 Units
Scrolling Direction: the Scrolling Direction
Bit1 Bit0 Scrolling Direction
0 0 From Left to Right
0 1 From Right to Left
1 0 From Top to Bottom
1 1 From Bottom to Top
Data Out: SW1 SW2.
Table 10.0C: Status Code
Results SW1 SW2 Meaning
Success 90 00 The operation is completed successfully.