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1998 Feb 16 4
Philips Semiconductors Product specification
CMOS digital decoding IC with RAM for
Compact Disc
SAA7345
PINNING
Note
1. All supply pins must be connected to the same external power supply.
SYMBOL PIN DESCRIPTION
CL11 1 11.2896 or 5.6448 MHz clock output (3-state); (divide-by-3)
DOBM 2 bi-phase mark output (externally buffered; 3-state)
V1 3 versatile input pin
V2 4 versatile input pin
TEST2 5 test input; this pin should be tied LOW
TEST1 6 test input; this pin should be tied LOW
ISLICE 7 current feedback output from data slicer
HFIN 8 comparator signal input
HFREF 9 comparator common-mode input
IREF 10 reference current pin (nominally
1
⁄
2
V
DD
)
V
DDA
11 analog supply voltage; note 1
V
SSA
12 analog ground; note 1
CRIN 13 crystal/resonator input
CROUT 14 crystal/resonator output
V
DD1
15 digital supply to input and output buffers; note 1
V
SS1
16 digital ground to input and output buffers; note 1
CL16 17 16.9344 MHz system clock output
MISC 18 general purpose DAC output (3-state)
DATA 19 serial data output (3-state)
WCLK 20 word clock output (3-state)
SCLK 21 serial bit clock output (3-state)
MOTO1 22 motor output 1; versatile (3-state)
MOTO2 23 motor output 2; versatile (3-state)
V5 24 versatile output pin
V4 25 versatile output pin
V3 26 versatile output pin (open-drain)
KILL 27 kill output; programmable (open-drain)
PORE 28 power-on reset enable input (active LOW)
CLA 29 4.2336 MHz microcontroller clock output
DA 30 interface data I/O line
CL 31 interface clock input line
RAB 32 interface R/
W and acknowledge input
CFLG 33 correction flag output (open-drain)
n.c. 34 to 42 no internal connection
V
SS2
43 digital ground to internal logic; note 1
V
DD2
44 digital supply voltage to internal logic; note 1