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SAA7824 Datasheet, PDF (53/89 Pages) NXP Semiconductors – CD audio decoder, digital servo and filterless DAC with integrated pre-amp and laser control (PhonIC)
Philips Semiconductors
CD audio decoder, digital servo and filterless
DAC with integrated pre-amp and laser control
Product specification
SAA7824
Table 22 Multiple write register element description
SHADOW
REGISTER
7
(bank 3)
A
(bank 3)
ELEMENT NAME BIT NUMBERS
DESCRIPTION
<d1_off>
<d2_off>
<d3_off>
<d4_off>
<r1_off>
<r2_off>
<hf_gain>
<slicer_slew>
<eq_speed_sel>
<hp_filter_sel>
<5:0>
<11:6>
<17:12>
<23:18>
<29:24>
<35:30>
<3:0>
<7:4>
<9:8>
<15:10>
DC offset level for D1 (reset value = 000000)
DC offset level for D2 (reset value = 000000)
DC offset level for D3 (reset value = 000000)
DC offset level for D4 (reset value = 000000)
DC offset level for R1 (reset value = 000000)
DC offset level for R2 (reset value = 000000)
see Table 23
see Table 24
equaliser operating speed: 00 = 1× (reset); 01 = 2×; 10 = 4×
see Table 25
Table 23 HF gain
DATA
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
DESCRIPTION
voltage mode = 1.11 V
voltage mode = 952 mV
voltage mode = 588 mV
voltage mode = 392 mV
voltage mode = 1.11 V
voltage mode = 952 mV
voltage mode = 588 mV
voltage mode = 392 mV
voltage mode = 303 mV
voltage mode = 200 mV
voltage mode = 157 mV
voltage mode = 107 mV
voltage mode = 79 mV
voltage mode = 54 mV
voltage mode = 39 mV
voltage mode = 27 mV
Table 24 Slicer threshold tracking slew rate (ISlice code
to current conversion)
DATA
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
CURRENT (µA)
10 (reset)
10
20
30
50
60
70
80
100
110
120
130
150
160
170
180
2003 Oct 01
53