ACR122L – Communication Protocol
Version 1.03
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Bit 7
Bit 6 Bit 5 Bit 4
Scrolling Period
1
1
1
0
149 Units
1
1
1
1
151 Units
Table 5
: Scrolling Period
Bit 1 Bit 0 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
Table 6
: Scrolling Direction
Data Out
SW1 SW2.
Status Code
Results
SW1 SW2
Meaning
Success
90
00h
The operation is completed successfully.
Error
63
00h
The operation is failed.
6.8. Pause LCD Scrolling
This command is used to pause the LCD scrolling that has been previously set.
To resume the scrolling, send the Scrolling LCD command (section 5.7 – Scroll Current LCD Display)
again.
Pause Scrolling Command Format (5 Bytes)
Command
Class INS
P1
P2
Lc
Pause Scroll LCD
FFh
00h
6Eh
00h
00h
Data Out
SW1 SW2.
Status Code
Results
SW1 SW2
Meaning
Success
90
00h
The operation is completed successfully.
Error
63
00h
The operation is failed.
