SAA7500 데이터 시트보기 (PDF) - Philips Electronics
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SAA7500 Datasheet PDF : 20 Pages
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Philips Semiconductors
Digital satellite radio broadcasting tuner
decoder (SAT-2)
Product specification
SAA7500
Pin functions
(1) = CMOS level input. (2) = TTL level input. (3) = CMOS level input with pull down resistor.
PIN NO.
MNEMONIC
DESCRIPTION
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24-33
34
35-40
41
42
43
44
45
46
47
48
LZA
I(3) phase adjustment for the internal clock.
LZB
I(3) phase adjustment for the internal clock.
LZC
I(3) phase adjustment for the internal clock.
STO
I(3) control input for testing.
T20N
I(1) 20.48 MHz clock input from voltage controlled oscillator (VCX).
LZD
I(3) control input for testing.
LZE
I(3) control input for testing.
PHD
O
phase control signal for VCX.
LZF
I(3) control input for testing.
KUS
O
test output (A’B’ swap).
SYLN
O
synchronization indication flag.
PD
I(2) programme number input selector (MSB).
PC
I(2) programme number input selector.
PB
I(2) programme number input selector.
PA
I(2) programme number input selector (LSB).
UPMU I(2) mute input (controlled by microcomputer).
INTR
O
interrupt flag for microcomputer.
TUP
O
programme type interface (clock).
PAUP O
programme type interface (data).
R32
O
multiplex control signal for right channel.
L32
O
multiplex control signal for left channel.
DWCA I(3) DA-converter mode select input.
DWCB I(3) DA-converter mode select input.
B16-7 O
audio data for parallel interface, bits 16 (LSB) to 7.
VSS1
I
ground (supply).
B6-1
O
audio data for parallel interface, bits 6 to 1 (MSB).
OOSC O
4.096 MHz clock output.
ACM
O
concealment flag (for SAA7220P/C).
AWD
O
audio data (for SAA7220P/C).
AWT
O
bit clock (for SAA7220P/C).
AWR
O
word select signal (for SAA7220P/C).
AMUN O
mute signal (for SAA7220P/C).
DIC
O
data output for testing.
DIE
O
data output for testing.
September 1989
5
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