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AS3955 Datasheet(PDF) 110 Page - ams AG

Part # AS3955
Description  NFC Forum Compliant Dynamic Tag
PDF  111 Pages
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

AS3955 Datasheet(HTML) 110 Page - ams AG

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ams Datasheet
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[v1-01] 2015-Apr-29
AS3955 − Content Guide
29
UID Bytes
29
Fabrication Data
29
Fabrication Data FAB_CFG0
30
Fabrication Data FAB_CFG1
30
Fabrication Data FAB_CFG2
31
Fabrication Data FAB_CFG3
32
Capability Container
33
Configuration Bytes
33
Authentication Password
34
Configuration Byte CHIP_KILL
35
Configuration Byte AUTH_CNT
36
Configuration Byte AUTH_LIM
37
Configuration Byte AUTH_CFG
37
Configuration Byte SENSR1
38
Configuration Byte SENSR2
38
Configuration Byte SELR
39
Configuration Byte IC_CFG0
40
Configuration Byte IC_CFG1
41
Configuration Byte IC_CFG2
42
Configuration Bytes MIRQ_0 and MIRQ_1
42
AS3955 Communication Modes
42
Standalone NFC Type 2 Tag Mode
42
Tunneling Mode
43
Data Transaction in Tunneling Mode
43
Relevant Registers, Interrupts and Commands
44
Extended Mode
45
NFC Device to MCU Data Flow Protocol
47
MCU to NFC Device Data Flow Protocol
49
Relevant Registers, Interrupts and Commands
50
Extended Mode Timing Diagram
52
Implementation Recommendations
52
Error Handling
55
Wired Interfaces
55
SPI / I²C Access Modes
56
SPI Interface
57
Writing Data to Addressable Registers
(Register Write Mode)
58
Reading Data from Addressable Registers
(Register Read Mode)
59
Writing and Reading of EEPROM Through SPI
61
Loading Transmission Data into Buffer
62
Reading Received Data from Buffer
62
Direct Command Mode
63
SPI Timing
64
SPI Electrical Connection
65
I²C Interface
66
Writing Data to Addressable Registers (Register Write
Mode)
67
Reading Data from Addressable Registers (Register Read
Mode)
67
Writing and Reading EEPROM through I²C
69
Loading Transmission Data into Buffer
69
Reading Received Data from Buffer
70
Direct Command Mode



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