SAA2500H 查看數據表（PDF） - Philips Electronics
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SAA2500H Datasheet PDF : 47 Pages
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Philips Semiconductors
MPEG Audio Source Decoder
Preliminary specification
SAA2500
PINNING
SYMBOL
RESET
FSCLK
FSCLKIN
MCLK
VDD1
GND
MCLKOUT
MCLKIN
X22OUT
X22IN
STOP
URDA
CDMWS
CDMEF
CDM
CDMCL
GND
CDSCL
CDS
CDSEF
CDSWA
CDSSY
L3CLK
L3DATA
L3MODE
SD
TA
GND
SCK
WS
TO
TI
TB
VDD2
TC1
TC0
TDO
TRST
TCK
PIN
DESCRIPTION
TYPE
1 master reset
I
2 sample rate clock; buffered signal
O
3 sample rate clock input
I
4 master clock; buffered signal
O
5 supply voltage
−
6 supply ground
−
7 master clock oscillator output
O
8 master clock oscillator input or signal input
I
9 22.579 MHz clock oscillator output
O
10 22.579 MHz clock oscillator input or signal input
I
11 stop decoding
I
12 unreliable data input; interrupt decoding
I
13 coded data (master input) word select output
O
14 coded data (master input) error flag input
I
15 ISO/MPEG coded data (master input)
I
16 coded data (master input) bit clock output
O
17 supply ground
−
18 coded data (slave input) bit clock
I
19 ISO/MPEG coded data (slave input)
I
20 coded data (slave input) error flag
I
21 coded data (slave input) window signal
I
22 coded data (slave input) frame sync
I
23 L3 interface bit clock
I
24 L3 interface serial data
I/O
25 L3 interface address/data select input
I
26 baseband audio I2S data output
O
27 do not connect; reserved
O
28 supply ground
−
29 baseband audio data I2S clock output
O
30 baseband audio data I2S word select output
O
31 connect to TI (pin 32)
O
32 connect to TO (pin 31)
I
33 do not connect; reserved
O
34 supply voltage
−
35 do not connect; factory test control 1 input, with integrated pull-down resistor
I
36 do not connect; factory test control 0 input, with integrated pull-down resistor
I
37 boundary scan test data output
O
38 boundary scan test reset input; this pin should be connected to ground for
I
normal operation
39 boundary scan test clock input
I
September 1994
4
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