austriamicrosystems AS3991 Manuals

Manuals and User Guides for austriamicrosystems AS3991. We have 1 austriamicrosystems AS3991 manual available for free PDF download: Manual

austriamicrosystems AS3991 Manual

austriamicrosystems AS3991 Manual (57 pages)

UHF RFID Single Chip Reader EPC Class1 Gen2 Compatible

Brand: austriamicrosystems | Category: Media Converter | Size: 1 MB

Table of Contents

1 General Description

1
2 Key Features

1
3 Applications

1
- Table of Contents
  3
4 Pin Assignments

5
- Pin Descriptions
  5
5 Absolute Maximum Ratings

8
6 Electrical Characteristics

9
7 Detailed Description

11
- Supply
  11
  - Power Modes
    12
- Host Communication
  12
- VCO and PLL
  13
  - VCO and External RF Source
    13
  - Pll
    13
- Chip Status Control
  13
- Protocol Control
  13
- Option Registers Preset
  14
- Transmitter
  14
  - Normal Mode
    14
  - Direct Mode
    16
  - Modulator
    16
  - Amplifier
    17
- Receiver
  17
  - Input Mixer
    17
  - RX Filter
    17
  - RX Gain
    18
  - Received Signal Strength Indicator (RSSI)
    18
  - Reflected RF Level Indicator
    18
  - Normal Mode
    18
  - Direct Mode
    19
  - Normal Mode with Mixer DC Level Output and Enable RX Output Available
    20
- Adc / Dac
  20
  - Converter
    20
  - AD Converter
    20
- Reference Oscillator
  20
8 Application Information

21
- Configuration Registers Address Space
  21
- Main Configuration Registers
  22
- Control Registers - Low Level Configuration Registers
  23
- Status Registers
  28
- Test Registers
  31
- PLL, Modulator, DAC, and ADC Registers
  32
- RX Length Registers
  35
- FIFO Control Registers
  36
- Direct Commands
  37
  - Idle (80)
    38
  - Soft Init (83)
    38
  - Hop to Main Frequency (84)
    38
  - Hop to Auxiliary Frequency (85)
    38
  - Trigger AD Conversion (87)
    38
  - Reset FIFO (8F)
    38
  - Transmission with CRC (90)
    38
  - Transmission with CRC Expecting Header Bit (91)
    38
  - Transmission Without CRC (92)
    38
  - Delayed Transmission with CRC (93)
    39
  - Delayed Transmission Without CRC (94)
    39
  - Block RX (96)
    39
  - Enable RX (97)
    39
- EPC GEN2 Specific Commands
  39
  - Query (98)
    39
  - Queryrep (99)
    39
  - Queryadjustup (9A)
    39
  - Queryadjustnic (9B)
    39
  - Queryadjustdown (9C)
    39
  - Reqrn (9F)
    40
- Reader Communication Interface
  40
- Parallel Interface Communication
  42
- Serial Interface Communication
  43
  - Timing Diagrams
    44
  - Timing Parameters
    45
- Fifo
  45
9 Package Drawings and Markings

46
10 Ordering Information

50

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