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SAA7327 Datasheet (HTML) - NXP Semiconductors

Part No. SAA7327
Description  Digital servo processor and Compact Disc decoder with integrated DAC for video CD CD7 II
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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 6 page
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1999 Jun 17
6
Philips Semiconductors
Product specification
Digital servo processor and Compact Disc decoder
with integrated DAC for video CD (CD7 II)
SAA7327
6
PINNING
SYMBOL
PIN
DESCRIPTION
HFREF
1
comparator common mode input
HFIN
2
comparator signal input
ISLICE
3
current feedback output from data slicer
VSSA1
4(1)
analog ground 1
VDDA1
5(1)
analog supply voltage 1
Iref
6
reference current output
VRIN
7
reference voltage for servo ADCs
D1
8
unipolar current input 1 (central diode signal input)
D2
9
unipolar current input 2 (central diode signal input)
D3
10
unipolar current input 3 (central diode signal input)
D4
11
unipolar current input 4 (central diode signal input)
R1
12
unipolar current input 1 (satellite diode signal input)
R2
13
unipolar current input 2 (satellite diode signal input)
VSSA2
14(1)
analog ground 2
CROUT
15
crystal/resonator output
CRIN
16
crystal/resonator input
VDDA2
17(1)
analog supply voltage 2
LN
18
DAC left channel differential negative output
LP
19
DAC left channel differential positive output
Vneg
20
DAC negative reference input
Vpos
21
DAC positive reference input
RN
22
DAC right channel differential negative output
RP
23
DAC right channel differential positive output
SELPLL
24
selects whether internal clock multiplier PLL is used
TEST1
25
test control input 1 (this pin should be tied LOW)
CL16
26
16.9344 MHz system clock output
DATA
27
serial d4(1) data output (3-state)
WCLK
28
word clock output (3-state)
SCLK
29
serial bit clock output (3-state)
EF
30
C2 error flag output (3-state)
TEST2
31
test control input 2 (this pin should be tied LOW)
KILL
32
kill output (programmable; open-drain)
VSSD1
33(1)
digital ground 1
V2/V3
34
versatile I/O: versatile input 2 or versatile output 3 (open-drain)
WCLI
35
word clock input (for data loopback to DAC)
SDI
36
serial data input (for data loopback to DAC)
SCLI
37
serial bit clock input (for data loopback to DAC)
RESET
38
Power-on reset input (active LOW)
SDA
39
microcontroller interface data I/O line (I2C-bus; open-drain output)
SCL
40
microcontroller interface clock line input (I2C-bus)



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