SAA7824 Datasheet, PDF (48/89 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 17 Loop filter bandwidth
REGISTER ADDRESS
DATA
8
(PLL loop
filter
bandwidth)
1000
0000
0001
0010
0100
0101
0110
1000
1001
1010
1100
1101
1110
LOOP
BANDWIDTH
(Hz)
1640 × n
3279 × n
6560 × n
1640 × n
3279 × n
6560 × n
1640 × n
3279 × n
6560 × n
1640 × n
3279 × n
6560 × n
Note
1. The initial column shows the Power-on reset state.
FUNCTION
INTERNAL
BANDWIDTH
(Hz)
525 × n
263 × n
131 × n
1050 × n
525 × n
263 × n
2101 × n
1050 × n
525 × n
4200 × n
2101 × n
1050 × n
LOW-PASS
BANDWIDTH
(Hz)
8400 × n
16800 × n
33600 × n
8400 × n
16800 × n
33600 × n
8400 × n
16800 × n
33600 × n
8400 × n
16800 × n
33600 × n
INITIAL⁽¹⁾
−
−
−
−
−
−
−
reset
−
−
−
−
7.17.5 SUMMARY OF FUNCTIONS CONTROLLED BY SHADOW REGISTERS
Table 18 Bank 1 shadow register settings (single write)
SHADEN
BITS
01
(bank 1)
SHADOW
REGISTER
3
control of
versatile and
clock pins
ADDRESS
0011
7
control of
onboard
DAC
7
EBU mute
bypass
control (for
M1 version
only)
0111
DATA
XX00
XX01
X0XX
X1XX
0XXX
1XXX
0000
0010
XXX0
XXX1
FUNCTION
select CLK4 on CLK4/12 output
select CLK12 on CLK4/12 output
enable CLK16 output pin
set CLK16 output pin to
high-impedance
set V3 output pin to high-impedance
enable V3 output pin
use external DAC or route audio data
back into onboard DAC
(loopback mode)
route audio data directly into onboard
DAC (non-loopback mode)
EBU mute function not bypassed
EBU mute function bypassed
INITIAL
reset
−
reset
−
reset
−
reset
−
reset
−
2003 Oct 01
48