t5743n ATMEL Corporation, t5743n Datasheet - Page 15

• Manufacturer Part Number: t5743n
• Description: Ask/fsk Receiver
• Manufacturer: ATMEL Corporation

Rev. A1, 25-May-00
Dem_out
Data_out (DATA)
DATA_CLK
Dem_out
Data_out (DATA)
DATA_CLK
Dem_out
Data_out (DATA)
DATA_CLK
’1’
’1’
’1’
Receiving mode,
data clock control
logic active
Figure 24. Data clock disappears because of a logical error
Figure 23. Data clock disappears because of a timing error
Bit check ok
Bit–check mode
Preliminary Information
Timing error
’1’
’1’
’1’
Figure 22. Timing diagram of the data clock
Receiving mode,
data clock control
logic active
’1’
’1’
’1’
(T
T
ee
ee
Preburst
< T
’1’
’1’
’0’
Lim_min
OR T
T
’1’
’1’
Lim_max
’1’
2T
<T
Start bit
ee
Data
Data
’0’
’1’
< T
’0’
Logical error (Manchester code violation)
Lim_min_2T
Receiving mode,
bit check active
data clock control logic active
’1’
’1’
’?’
OR T
Receiving mode,
ee
> T
’1’
’1’
’0’
Lim_max_2T
t
Delay
)
Data
’0’
’0’
’0’
Receiving mode,
bit check aktive
’1’
’1’
’1’
T5743N
t
P_Data_Clk
’0’
’0’
’0’
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