T5743P3 ATMEL [ATMEL Corporation], T5743P3 Datasheet - Page 16

• Manufacturer Part Number: T5743P3
• Description: UHF ASK/FSK Receiver
• Manufacturer: ATMEL [ATMEL Corporation]

Figure 16. Synchronization of the Demodulator Output
Figure 17. Debouncing of the Demodulator Output
Figure 18. Steady L State Limited DATA Output Pattern After Transmission
16
Dem_out
Data_out (DATA)
IC_ACTIVE
Bit check
Dem_out
Data_out (DATA)
Clock bit-check
counter
Dem_out
Data_out (DATA)
T5743
Start-up mode
t
T
DATA_min
XClk
After the end of a data transmission, the receiver remains active. Depending on the bit
Noise_Disable in the OPMODE register, the output signal at Pin DATA is high or ran-
dom noise pulses appear at Pin DATA (see section “Digital Noise Supression”). The
edge-to-edge time period t
higher than T
t
ee
Bit-check mode
DATA_min
t
ee
.
t
DATA_min
ee
of the majority of these noise pulses is equal or slightly
Receiving mode
t
ee
t
DATA_min
t
DATA_min
t
DATA_L_max
t
ee
4569A–RKE–12/02