CIRCUIT DESCRIPTION
Pin
No.
Pin Name
I/O
Description
1
DSP1REQ
O
DSP IC1 (LC83015JE):(X08:IC41) request
2
DSP1AK
I
DSP IC1 (LC83015JE):(X08:IC41) acknowledge
3
DSP2RST
O
DSP IC2 (LC83015JE):(X08:IC42) reset
4
AVSS
A/D reference voltage (GND)
5
DSP2RDY
O
DSP IC2 (LC83015JE):(X08:IC42) ready
6
DSP2REQ
O
DSP IC2 (LC83015JE):(X08:IC42) request
7
AVREF1
A/D reference voltage (VDD)
8
I
Not used
9
DSP1DT/DSP2DT
O
DSP IC1,2 (LC83015JE) data
10
DSP1CK/DSP2CK
O
DSP IC1,2 (LC83015JE) clock
11
MDT
I
Master data (communicated with main u-com)
12
SDT
O
Slave data (communicated with main u-com)
13
MCK
I
Master clock (communicated with main u-com)
14
MREQ
I
Master request (communicated with main u-com)
15
SREQ
O
Slave request (communicated with main u-com)
16
ZRSI
I
ZR38500 slave data
17
ZRSO
O
ZR38500 master data
18
ZRCK
O
ZR38500 master clock
19
ZRSS
O
ZR38500 strobe
20
ZRRST
O
ZR38500 reset
21
ADPD
O
ADC (AK 5340) power down
22,23
DADEMO0,1
O
DAC ( PCM1702U) sample rate select
24
DAPD
O
DAC ( PCM1702U) reset
25
DEMRST
O
Demodulater reset
26
I
Not used
27
DEMMSYC
I
Demodulator AC3 data sync check
H:AC3 SYNCRO
L:ERROR
28-31
I
Not used
PLL lock/unlock detect
GND
Sub mute
SW.mute
Not used
DRI ( LC8904Q) channel statace output (32Bit)
DIR ( LC8904Q) clock
DIR ( LC8904Q) data latch
DIR ( LC8904Q) data
DIR ( LC8904Q) sample frequency output
47
DIRERROR
I
DIR ( LC8904Q) error check
H:ERROR
L:PCM
48
DIRXMODE
O
DIR ( LC8904Q) reset
49
DIRENPHA
I
DIR ( LC8904Q) emphasis
50
O
Not used
51
LPFSTB
O
SEL IC (TC9162N/TC9163N) data
52
LPFCK
O
SEL IC (TC9162N) clock
53
LPFDT
O
SEL IC (TC9162N)data
54
I
Not used
55
DIGSWSEL
O
TC74HC157 analog/digital selector
H:DIGITAL
L:ANALOG
2-2. Pin description
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299