SAA7371GP Philips Semiconductors, SAA7371GP Datasheet - Page 37

• Manufacturer Part Number: SAA7371GP
• Description: Digital servo processor and Compact Disc decoder CD7
• Manufacturer: Philips Semiconductors

Philips Semiconductors
1998 Jul 06
4
(motor gain)
5
(motor bandwidth)
6
(motor output
configuration)
7
(DAC output and
status control)
8 (PLL loop filter
bandwidth)
9
(PLL equalization)
Digital servo processor and
Compact Disc decoder (CD7)
REGISTER
ADDRESS
0100
0101
1001
0110
0111
DATE
0001
0010
0100
0101
x000
x001
x010
x011
x100
x101
x110
xx00
xx01
xx10
00xx
01xx
10xx
xx00
xx01
xx10
00xx
01xx
10xx
xx00
xx10
x0xx
x1xx
0xxx
1xxx
0011
x111
0xxx
1xxx
xx11
xx11
11xx
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
motor f4 = 0.7
motor f4 = 1.4
motor f4 = 2.8
motor f3 = 0.85
motor f3 = 1.71
motor f3 = 3.42
motor power maximum 37%
motor power maximum 50%
motor power maximum 75%
motor power maximum 100%
MOTO1, MOTO2 pins 3-state
motor PWM mode
motor PDM mode
motor CDV mode
interrupt signal from servo at STATUS pin
status bit from decoder status register at STATUS pin
DAC data normal value
DAC data inverted value
left channel first at DAC (WCLK normal)
right channel first at DAC (WCLK inverted)
see Table 13
PLL loop filter equalization
PLL 30 ns over-equalization
PLL 15 ns over-equalization
PLL 15 ns under-equalization
PLL 30 ns under-equalization
37
n Hz
n Hz
n Hz
n Hz
n Hz
n Hz
n Hz
FUNCTION
Product specification
SAA7371
INITIAL
reset
reset
reset
reset
reset
reset
reset
reset
reset
reset
(1)