SAA7325 Datasheet, PDF (40/68 Pages) NXP Semiconductors – Digital servo processor and Compact Disc decoder with integrated DAC CD10

Philips Semiconductors
Digital servo processor and Compact Disc
decoder with integrated DAC (CD10)
Product specification
SAA7325
REGISTER
2
(status control
to servo part -
not the
STATUS pin)
ADDRESS
0010
3
(DAC output)
0011
4
(motor gain)
0100
5
(motor
bandwidth)
0101
1999 Jun 17
DATA
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1010
1011
1100
1111
1110
0000
0011
0010
0100
0111
0110
X000
X001
X010
X011
X100
X101
X110
X111
0XXX
1XXX
XX00
XX01
XX10
XX11
00XX
01XX
10XX
FUNCTION
status = SUBQREADY-I
status = MOTSTART1
status = MOTSTART2
status = MOTSTOP
status = PLL lock
status = V1
status = V2
status = MOTOR-OV
status = FIFO overflow
status = shock detect
status = latched shock detect
status = latched shock detect reset
I²S-bus; CD-ROM mode
EIAJ; CD-ROM mode
I²S-bus; 18-bit; 4f_s mode
I²S-bus; 18-bit; 2f_s mode
I²S-bus; 16-bit; f_s mode
EIAJ; 16-bit; 4f_s
EIAJ; 16-bit; 2f_s
EIAJ; 16-bit; f_s
EIAJ; 18-bit; 4f_s
EIAJ; 18-bit; 2f_s
EIAJ; 18-bit; f_s
motor gain G = 3.2
motor gain G = 4.0
motor gain G = 6.4
motor gain G = 8.0
motor gain G = 12.8
motor gain G = 16.0
motor gain G = 25.6
motor gain G = 32.0
disable comparator clock divider
enable comparator clock divider; only if SELLPLL
set HIGH
motor f₄ = 0.5 Hz
motor f₄ = 0.7 Hz
motor f₄ = 1.4 Hz
motor f₄ = 2.8 Hz
motor f₃ = 0.85 Hz
motor f₃ = 1.71 Hz
motor f₃ = 3.42 Hz
INITIAL⁽¹⁾
reset
−
−
−
−
−
−
−
−
−
−
−
−
−
reset
−
−
−
−
−
−
−
−
reset
−
−
−
−
−
−
−
reset
−
reset
−
−
−
reset
−
−
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