TDA8044 查看數據表（PDF） - Philips Electronics
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TDA8044 Datasheet PDF : 20 Pages
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Philips Semiconductors
Satellite demodulator and decoder
Product specification
TDA8044
PINNING
SYMBOL
PIN
I/O
DESCRIPTION
I2
1
I
digital I-input bit 2 (ADC bypass)
I3
VSSD1
CFS
2
I
digital I-input bit 3 (ADC bypass)
3
−
digital ground 1
4
I
clock frequency selection (remains at logic 0 for TDA8044A)
VSSD2
I4
5
−
digital ground 2
6
I
digital I-input bit 4 (ADC bypass)
I5
7
I
digital I-input bit 5 (ADC bypass)
I6
8
I
digital I-input bit 6 (ADC bypass: MSB)
Q0
9
I
digital Q-input bit 0 (ADC bypass: LSB)
VDDD1
Q1
10
−
digital supply voltage 1
11
I
digital Q-input bit 1 (ADC bypass)
Q2
12
I
digital Q-input bit 2 (ADC bypass)
Q3
13
I
digital Q-input bit 3 (ADC bypass)
Q4
VSSD3
Q5
14
I
digital Q-input bit 4 (ADC bypass)
15
−
digital ground 3
16
I
digital Q-input bit 5 (ADC bypass)
Q6
VSSD4
VDDD2
PRESET
17
I
digital Q-input bit 6 (ADC bypass: MSB)
18
−
digital ground 4
19
−
digital supply voltage 2
20
I
set device into default mode
P3
21
I/O quasi-bidirectional I/O port (bit 3)
P2
22
I/O quasi-bidirectional I/O port (bit 2)
P1
23
I/O quasi-bidirectional I/O port (bit 1)
P0
24
I/O quasi-bidirectional I/O port (bit 0)
VDDD3
P5
25
−
digital supply voltage 3
26
I/O quasi-bidirectional I/O port (bit 5)
P4
27
I/O quasi-bidirectional I/O port (bit 4)
PDOCLK
28
O output clock for transport stream bytes
PDO0
29
O parallel data output (bit 0)
PDO1
30
O parallel data output (bit 1)
PDO2
31
O parallel data output (bit 2)
VSSD5
PDO3
32
−
digital ground 5
33
O parallel data output (bit 3)
PDO4
34
O parallel data output (bit 4)
PDO5
VSSD6
VSSD7
PDO6
35
O parallel data output (bit 5)
36
−
digital ground 6
37
−
digital ground 7
38
O parallel data output (bit 6)
POR
39
I
Power-on reset [can be connected to PRESET (pin 20)]
VDDD4
40
−
digital supply voltage 4
2000 Feb 21
5
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