TDA5240 Datasheet, PDF (94/284 Pages) Infineon Technologies AG – Enhanced Sensitivity Multi-Channel Quad-Configuration Receiver

Table 5
Symbol
f_clock
t_{CLK_H}
t_{CLK_L}
t_setup
t_{not_setup}
t_hold
t_{not_hold}
t_Deselect
t_{SDI_setup}
t_{SDI_hold}
t_{CLK_SDO}
t_{SDO_r}
t_{SDO_f}
t_{SDO_disable}
SPI Bus Timing Parameter
Parameter
Clock frequency
Clock High time
Clock Low time
Active setup time
Not active setup time
Active hold time
Not active hold time
Deselect time
SDI setup time
SDI hold time
Clock low to SDO valid
SDO rise time
SDO fall time
SDO disable time
TDA5240
Functional Description
2.5.6 Chip Serial Number
Every device contains a unique, preprogrammed 32-bit wide serial number. This number
can be read out from SN3, SN2, SN1 and SN0 registers via the SPI interface. The
TDA5240 always has SN0.6 set to 1 and SN0.5 set to 1.
Fuses
Fuse-
Readout-
Interface
SN0
SN1
SN2
SN3
Figure 67 Chip Serial Number
Data Sheet
94
V4.0, 2010-02-19