U2739M-BFC ATMEL [ATMEL Corporation], U2739M-BFC Datasheet - Page 45

• Manufacturer Part Number: U2739M-BFC
• Description: DAB One-Chip Channel- and Source Decoder
• Manufacturer: ATMEL [ATMEL Corporation]

Command Parameters:
Rev. A1, 22-May-01
PARV
COV
PKS
ISPCnt
TMIN(7..0)
CIRTH(7..0)
NSTH(7..0)
B0(15..0)
Parameter
CIR post processing parameters valid
(PKS / AVG / CIRTH / NSTH / TMIN)
CIR post processing filter coefficients
valid
Number of peaks required for ’CIR
correct’ indication
CIR post processing average
CIR minimum dT output
CIR threshold
Noise threshold
IIR filter coefficients
Meaning
0:
1:
0:
1:
2
n:
n:
n.n:
n:
Coefficients for 1
CIR post processing (Q15 format required)
n
:
Parameters not valid
Following parameters valid
Coefficients not valid
following coefficients valid
Required peaks
CIR output average over n+1 values
Minimum dT output after CIR post
processing (* 488 ns)
– Threshold value for CIR peak
– Will be multiplied by ?
– Noise threshold value
– Will be multiplied by 32
(8 bit unsigned)
(standard deviation)
detection (format: 4.4 bit)
Description
st
order IIR filter used for
U2739M-B
45 (69)
faults
D
3.0
0.5
0.5
0
0
0
0
0
e-