SAA7824 Datasheet, PDF (62/89 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 41 sledge_parm2 parameter: sledge gain,
low-pass frequencies, operation mode; RAM
address 17H
sledge_parm2
sledge_gain
0xxx x000
0xxx x001
0xxx x010
0xxx x011
0xxx x100
0xxx x101
0xxx x110
0xxx x111
1xxx x000
1xxx x001
1xxx x010
1xxx x011
1xxx x100
1xxx x101
1xxx x110
1xxx x111
sledge_low_pass
x00x 0xxx
x10x 0xxx
x01x 0xxx
x11x 0xxx
x00x 1xxx
x10x 1xxx
x01x 1xxx
x11x 1xxx
sledge_op_mode
xxx0 0xxx
xxx0 1xxx
xxx1 1xxx
Sledge gain G_S
0.218
0.281
0.436
0.562
0.875
1.125
1.750
2.250
3.500
4.500
7.000
9.000
14.00
18.00
28.00
36.00
Sledge low-pass
frequency f₂ Hz
5.0
10.1
15.3
20.5
0.3
0.6
0.9
1.2
Sledge operation mode
PI mode operation
pulsed mode operation,
microcontroller controlled
pulsed mode operation,
automatic mode
Table 42 sledge_pulse1 parameter: sledge pulse high
time, low time; RAM address 46H
sledge_pulse1
Hex
time_lo
0000 xxxx
0x
0001 xxxx
1x
0010 xxxx
2x
0011 xxxx
3x
0100 xxxx
4x
0101 xxxx
5x
0110 xxxx
6x
0111 xxxx
7x
1000 xxxx
8x
1001 xxxx
9x
1010 xxxx
Ax
1011 xxxx
Bx
1100 xxxx
Cx
1101 xxxx
Dx
1110 xxxx
Ex
1111 xxxx
Fx
time_hi
xxxx 0000
x0
xxxx 0001
x1
xxxx 0010
x2
xxxx 0011
x3
xxxx 0100
x4
xxxx 0101
x5
xxxx 0110
x6
xxxx 0111
x7
xxxx 1000
x8
xxxx 1001
x9
xxxx 1010
xA
xxxx 1011
xB
xxxx 1100
xC
xxxx 1101
xD
xxxx 1110
xE
xxxx 1111
xF
Time low ms
0
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
Time high ms
0
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
2003 Oct 01
62