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ACR122L
ACS ACR122L Manuals
Manuals and User Guides for ACS ACR122L. We have
1
ACS ACR122L manual available for free PDF download: User Manual
ACS ACR122L User Manual (57 pages)
Serial NFC reader with LCD
Brand:
ACS
| Category:
Card Reader
| Size: 0.74 MB
Table of Contents
Table of Contents
2
Introduction
4
Table 1: PIN Configuration
5
Built-In Antenna
6
Buzzer
6
Leds
6
SAM Interface
6
Features
5
Serial Interface
5
Lcd
5
Communication between the Host and Contactless Interface, SAM and Peripherals
7
Figure 1: Communication Flowchart of ACR122L
7
Serial Interface (CCID-Like Frame Format)
8
Protocol Flow Examples
9
SAM Interface
11
Activating the SAM Interface
11
Deactivating the SAM Interface
12
Exchanging Data through the SAM Interface
14
Pseudo-Apdus for Contactless Interface and Peripherals Control
17
Direct Transmit
17
Change Communication Speed
20
Get Firmware Version
24
LCD Display (ASCII Mode)
25
Table 2 : DDRAM Address for Font Sets 1 and 2
25
Table 3 : DDRAM Address for Font Set 3
26
Figure 3: Character Set B
27
Figure 4: Character Set C
27
Table 4: LCD Character Position Representation
28
Figure 5: LCD Display Position
29
Scroll Current LCD Display
30
Pause LCD Scrolling
31
Figure 2: Character Set a
26
LCD Display (Graphic Mode)
29
Table 5: Scrolling Period
31
Table 6: Scrolling Direction
31
Table 7: Mifare Ultralight Memory Map
49
Basic Program Flow for Felica Applications
53
Table 8: Mifare Ultralight C Memory Map
53
Basic Program Flow for NFC Forum Type 1 Tag Applications
54
Clear LCD
32
LCD Backlight Control
32
Stop LCD Scrolling
32
LCD Contrast Control
33
LED Control
34
LED Enable/Disable
34
LED and Buzzer Control
35
Basic Program Flow for ISO 14443-4 Type a and B Tags
41
Buzzer Control
41
Basic Program Flow for Mifare Applications
43
Handling the Value Blocks of Mifare 1K/4K Tag
45
Accessing Mifare Ultralight Tags
47
Accessing Mifare Ultralight C Tags
49
LCD Display (GB Mode)
28
Appendix A. ACR122 Error Codes
56
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