Specifications

2000 Jun 26 40
Philips Semiconductors Product specification
Digital servo processor and Compact Disc
decoder with integrated DAC for video CD (CD7 II)
SAA7327
2
(status control
to servo part -
not the
STATUS pin)
0010 0000 status = SUBQREADY-I reset
0001 status = MOTSTART1 −
0010 status = MOTSTART2 −
0011 status = MOTSTOP −
0100 status = PLL Lock −
0101 status = V1 −
0110 status = V2 −
0111 status = MOTOR-OV −
1000 status = FIFO overflow −
1001 status = shock detect −
1010 status = latched shock detect −
1011 status = latched shock detect reset −
3
(DAC output)
0011 1010 I
2
S-bus; CD-ROM mode −
1011 EIAJ; CD-ROM mode −
1100 I
2
S-bus; 18-bit; 4f
s
mode reset
1111 I
2
S-bus; 18-bit; 2f
s
mode −
1110 I
2
S-bus; 16-bit; f
s
mode −
0000 EIAJ; 16-bit; 4f
s
−
0011 EIAJ; 16-bit; 2f
s
−
0010 EIAJ; 16-bit; f
s
−
0100 EIAJ; 18-bit; 4f
s
−
0111 EIAJ; 18-bit; 2f
s
−
0110 EIAJ; 18-bit; f
s
−
4
(motor gain)
0100 X000 motor gain G = 3.2 reset
X001 motor gain G = 4.0 −
X010 motor gain G = 6.4 −
X011 motor gain G = 8.0 −
X100 motor gain G = 12.8 −
X101 motor gain G = 16.0 −
X110 motor gain G = 25.6 −
X111 motor gain G = 32.0 −
0XXX disable comparator clock divider reset
1XXX enable comparator clock divider; only if SELLPLL
set HIGH
−
5
(motor
bandwidth)
0101 XX00 motor f
4
= 0.5 × n Hz reset
XX01 motor f
4
= 0.7 × nHz −
XX10 motor f
4
= 1.4 × nHz −
XX11 motor f
4
= 2.8 × nHz −
00XX motor f
3
= 0.85 × n Hz reset
01XX motor f
3
= 1.71 × nHz −
10XX motor f
3
= 3.42 × nHz −
REGISTER ADDRESS DATA FUNCTION INITIAL
(1)