TDA5230 Datasheet, PDF (130/186 Pages) Infineon Technologies AG – Universal Low Power ASK/FSK Single Conversion Multi-Channel Image-Reject Receiver

TDA523x
Functional Description
2.4.19 Chip Serial Number
Every device contains a unique, preprogrammed 32-bit wide serial number. This number
can be read out as registers SN0, SN1, SN2 and SN3 via the SPI interface.
Fuses
SN0
Fuse-
SN1
Readout-
Interface
SN2
SN3
Figure 69 Chip Serial Number
Table 2
Serial Number Register
Control Register
SN0
SN1
SN2
SN3
Address
0x0E
0x0F
0x10
0x11
SN0: Serial Number Register0
ADDR: 0x0E
Bit R/W Description
7:0 R SN: Serial Number: Bit 7...Bit 0(LSB)
SN1: Serial Number Register1
ADDR: 0x0F
Bit R/W Description
7:0 R SN: Serial Number: Bit 15...Bit 8
SN2: Serial Number Register2
ADDR: 0x10
Bit R/W Description
7:0 R SN: Serial Number: Bit 23...Bit 16
Description
Serial number of the IC
Reset Value: SN
Reset Value: SN
Reset Value: SN
Data Sheet
126
Version 4.0, 2007-06-01