43
STR-DB870/DB1070
5-25.
IC PIN FUNCTION DESCRIPTION
•
DIGITAL BOARD IC1201 PCM1604Y/2K (D/A CONVERTER)
Pin No.
Pin Name
I/O
Description
1 to 6
ZER01 to ZER06
I
Not used (open)
7
AGND
—
Ground terminal (for analog)
8
VCC
—
Power supply terminal (+5V)
9
VOUT6
O
Analog negative signal output to the line amp (IC1261)
10
VOUT5
O
Analog negative signal output to the line amp (IC1261)
11
VOUT4
O
Analog negative signal output to the line amp (IC1241)
12
VOUT3
O
Analog negative signal output to the line amp (IC1241)
13
VOUT2
O
Analog negative signal output to the line amp (IC1221)
14
VOUT1
O
Analog negative signal output to the line amp (IC1221)
15
VCOM2
O
Common voltage output terminal
16
VCOM1
O
Lerge external capacitor is used to reduce power supply noise
17
AGND6
—
Ground terminal (for analog)
18
VCC6
—
Power supply terminal (+5V)
19
AGND5
—
Ground terminal (for analog)
20
VCC5
—
Power supply terminal (+5V)
21
AGND4
—
Ground terminal (for analog)
22
VCC4
—
Power supply terminal (+5V)
23
AGND3
—
Ground terminal (for analog)
24
VCC3
—
Power supply terminal (+5V)
25
AGND2
—
Ground terminal (for analog)
26
VCC2
—
Power supply terminal (+5V)
27
AGND1
—
Ground terminal (for analog)
28
VCC1
—
Power supply terminal (+5V)
29
AGND0
—
Ground terminal (for analog)
30
VCC0
—
Power supply terminal (+5V)
31, 32
NC
—
Not used (open)
33
MDO
O
Serial data output to the system control (IC1703)
34
MDI
I
Serial dara input from the system controller (IC1703)
35
MC
I
Clock signal input from the system controller (IC1703)
36
ML
I
Latch signal input from the system controllrt (IC1703)
37
RST
I
Reset signal input from the system controller (IC1703)
38
SCKI
I
Serial clock signal input from the audio DSP2 (IC1601)
39
SCKO
O
Serial clock signal output terminal Not used (open)
40
BCK
I
Bit clock signal input from the audio DSP2 (IC1601)
41
LRCK
I
L/R sampling clock signal input from the audio DSP2 (IC1601)
42
TEST
I
Test data input terminal (fixed at “L” )
43
VDD
—
Power supply terminal (+5V)
44
DGND
—
Ground terminal (for digital)
45
DATA1
I
Audio serial data1 input from the audio DSP2 (IC1601)
46
DATA2
I
Audio serial data2 input from the audio DSP2 (IC1601)
47
DATA3
I
Audio serial data3 input from the audio DSP2 (IC1601)
48
ZER0A
I
Zero input detect terminal Not used (open)
Содержание STR-DB1070 - Fm Stereo/fm-am Receiver
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