AS3932-BQFT austriamicrosystems, AS3932-BQFT Datasheet - Page 4

• Manufacturer Part Number: AS3932-BQFT
• Description: IC RF PROGRAM 16-QFN
• Manufacturer: austriamicrosystems

Specifications of AS3932-BQFT

• Rf Type: Read / Write
• Frequency: 110kHz ~ 150kHz
• Features: RSSI Equipped
• Package / Case: 16-VFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: AS3932-BQFTTR

AS3932
Datasheet - C o n t e n t s
Contents
1 General Description ..................................................................................................................................................................
2 Key Features.............................................................................................................................................................................
3 Applications...............................................................................................................................................................................
4 Pin Assignments .......................................................................................................................................................................
5 Absolute Maximum Ratings ......................................................................................................................................................
6 Electrical Characteristics...........................................................................................................................................................
7 Typical Operating Characteristics ...........................................................................................................................................
8 Detailed Description................................................................................................................................................................
9 Package Drawings and Markings ...........................................................................................................................................
10 Ordering Information.............................................................................................................................................................
www.austriamicrosystems.com/LF-Receiver/AS3932
4.1 TSSOP Package .................................................................................................................................................................................. 5
4.2 QFN Package ....................................................................................................................................................................................... 6
8.1 Operating Modes ................................................................................................................................................................................ 12
8.2 System and Block Specification ......................................................................................................................................................... 14
8.3 Channel Amplifier and Frequency Detector........................................................................................................................................ 20
8.4 Channel Selector / Demodulator / Data Slicer.................................................................................................................................... 21
8.5 Correlator............................................................................................................................................................................................ 22
8.6 Wakeup Protocol - Carrier Frequency 125 kHz.................................................................................................................................. 24
8.7 False Wakeup Register ...................................................................................................................................................................... 27
8.8 Real Time Clock (RTC)....................................................................................................................................................................... 28
8.9 Channel Selection in Scanning Mode and ON/OFF Mode ................................................................................................................. 30
4.1.1 Pin Descriptions........................................................................................................................................................................... 5
4.2.1 Pin Descriptions........................................................................................................................................................................... 6
8.1.1 Power Down Mode .................................................................................................................................................................... 12
8.1.2 Listening Mode .......................................................................................................................................................................... 12
8.1.3 Preamble Detection / Pattern Correlation .................................................................................................................................. 13
8.1.4 Data Receiving .......................................................................................................................................................................... 13
8.2.1 Register Table ........................................................................................................................................................................... 14
8.2.2 Register Table Description and Default Values ......................................................................................................................... 14
8.2.3 Serial Data Interface (SDI)......................................................................................................................................................... 16
8.2.4 SDI Timing ................................................................................................................................................................................. 19
8.3.1 Frequency Detector / AGC ........................................................................................................................................................ 20
8.3.2 Antenna Damper........................................................................................................................................................................ 21
8.6.1 Without Pattern Detection (Manchester decoder disabled) ....................................................................................................... 24
8.6.2 Single Pattern Detection (Manchester decoder disabled) ......................................................................................................... 25
8.6.3 Single Pattern Detection (Manchester decoder enabled) .......................................................................................................... 27
8.8.1 Crystal Oscillator........................................................................................................................................................................ 29
8.8.2 RC-Oscillator ............................................................................................................................................................................. 29
8.8.3 External Clock Source ............................................................................................................................................................... 30
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