TDA5230 Datasheet, PDF (87/186 Pages) Infineon Technologies AG – Universal Low Power ASK/FSK Single Conversion Multi-Channel Image-Reject Receiver

TDA523x
Functional Description
Dual: ASIGDET0 and BSIGDET0: Signal detector (Run Mode)
ADDR: 0x71 and 0x91
Reset Value: 0x00
Bit R/W Description (For detailed procedure, refer to Application note.)
7:6 W SDCNT: Signal Detector Threshold Counter (Run Mode)
00b: disabled
5:0 W SDTHR: Signal Detector Threshold Level (Run Mode)
Dual: ASIGDET1 and BSIGDET1: Signal detector (Wake Up)
ADDR: 0x72 and 0x92
Reset Value: 0x00
Bit R/W Description (For detailed procedure, refer to Application note.)
7:6 W SDCNT: Signal Detector Threshold Counter (Run Mode)
00b: disabled
5:0 W SDTHR: Signal Detector Threshold Level (Wake Up)
Dual: ANDCONFIG and BNDCONFIG: FSK Noise Detector configuration
ADDR: 0x81 and 0xA1
Reset Value: 0x00
Bit R/W Description
5:4 W NDSEL: FSK Noise Detector Selection
00b: Squelch only (signal power)
01b: FSK Noise Detector only (noise power)
10b: Both (Squelch and FSK Noise Detector)
11b: Squelch and (FSK Noise Detector and SIGDETLO threshold)
3:2 W ND(3:2): FSK Noise Detector configuration:: threshold level
always 01b
1:0 W ND(1:0) FSK Noise Detector configuration: Peak Detector slew rate
always 11b
Data Sheet
83
Version 4.0, 2007-06-01