sza1000 NXP Semiconductors, sza1000 Datasheet - Page 12

• Manufacturer Part Number: sza1000
• Description: Qic Digital Equalizer
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Table 4 Translation table: FS selection bits (FSn.n from Table 3) to tap position
Address 16: FIR output scaling
Table 5 Output scaling: FIR_SHIFT
L
Addresses 17 to 22: LPF tap coefficient values
Table 6 Coefficient value: LPF_VAL1 to LPF_VAL6; notes 1 and 2
Notes
1. These are 8-bit coefficient values in two’s complement notation; taps 4 to 6 are only used when R = 2.
2. See Table 7 for the values of LPF_VALn.n
1998 Feb 16
LPF_VALn.7 LPF_VALn.6 LPF_VALn.5 LPF_VALn.4 LPF_VALn.3 LPF_VALn.2 LPF_VALn.1 LPF_VALn.0
OW
QIC digital equalizer
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PASS FILTER FUNCTIONS
D7
FSn
10
12
13
14
15
11
0
1
2
3
4
5
6
7
8
9
FIR_SHIFT (BINARY)
00000001
00000010
00000100
00001000
00010000
00100000
01000000
10000000
D6
TAP 0,5
12
13
14
15
16
17
18
19
D5
TAP 1,6
10
12
13
14
15
16
11
9
D4
TAP 2,7
10
12
13
12
11
6
7
8
9
FIR OUTPUT SCALING GAIN FACTOR
D3
TAP 3,8
10
3
4
5
6
7
8
9
D2
128
16
32
64
1
2
4
8
TAP 4,9
0
1
2
3
4
5
6
7
D1
Product specification
SZA1000
TAP 10
10
12
13
14
15
16
17
11
2
3
4
5
6
7
8
9
D0