saa7327 NXP Semiconductors, saa7327 Datasheet - Page 40

• Manufacturer Part Number: saa7327
• Description: Digital Servo Processor And Compact Disc Decoder With Integrated Dac For Video Cd Cd7 Ii
• Manufacturer: NXP Semiconductors

Philips Semiconductors
2000 Jun 26
2
(status control
to servo part -
not the
STATUS pin)
3
(DAC output)
4
(motor gain)
5
(motor
bandwidth)
Digital servo processor and Compact Disc
decoder with integrated DAC for video CD (CD7 II)
REGISTER
ADDRESS
0010
0011
0100
0101
DATA
0XXX
1XXX
XX00
XX01
XX10
XX11
00XX
01XX
10XX
X000
X001
X010
X011
X100
X101
X110
X111
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1010
1011
1100
1111
1110
0000
0011
0010
0100
0111
0110
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
I
EIAJ; CD-ROM mode
I
I
I
EIAJ; 16-bit; 4f
EIAJ; 16-bit; 2f
EIAJ; 16-bit; f
EIAJ; 18-bit; 4f
EIAJ; 18-bit; 2f
EIAJ; 18-bit; f
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 f
motor f
motor f
motor f
motor f
motor f
motor f
2
2
2
2
S-bus; CD-ROM mode
S-bus; 18-bit; 4f
S-bus; 18-bit; 2f
S-bus; 16-bit; f
40
4
4
4
4
3
3
3
= 0.5
= 0.7
= 1.4
= 2.8
= 0.85
= 1.71
= 3.42
s
s
s
s
s
s
s
n Hz
n Hz
n Hz
n Hz
s
s
n Hz
n Hz
n Hz
mode
FUNCTION
mode
mode
Product specification
SAA7327
INITIAL
reset
reset
reset
reset
reset
reset
(1)