Harman Consumer Group AVR75/85, Техническое руководство

Страница: 88 / 204

6 4
Harman Kardon
Dolby Digital Audio/Video Receiver
AVR75/85
INTEGRATED CIRCUIT DIAGRAMS 4
No Name I/O Function
1 ADD I A/D CONVERTER SOUND DATA INPUT
2 64FS O ADC BIT CLOCK OUTPUT
3 LRCK O ADC L/R CLOCK OUTPUT
4 256FS O ADC MASTER CLOCK OUTPUT
5 VSS - GND
6 XI I EXTERNAL CLOCK OUTPUT
7 XO O N.C.
8 /I2CSEL I SELECTS CPU INTERFACE (“H”: SERIAL
3-WIRE TYPE, “L”: 12C BUS TYPE)
9 /IC I INITIAL CLEAR INPUT
10 VDD - +5VD
11 I2SSDO O INVALID
12 I2SSDI I DIR2 SOUND DATA INPUT
13 I2SWS I DIR2 L/R CLOCK INPUT
14 I2SCL I GND
15 TEST1 I N.C.
16 TEST0 I N.C.
17 MODE1 I N.C.
18 MODE0 I N.C.
19 DAMODE I SELECTS AUDIO DATA OUTPUT FORMAT
20 TEST2 I N.C.
21 TEST3 I N.C.
22 TEST4 I N.C.
23 TEST5 I N.C.
24 TEST6 I N.C.
25 TEST7 I N.C.
26 TEST8 I N.C
27 TEST9 I N.C.
28 TEST10 I N.C.
29 TEST11 I N.C.
30 TEST12 I N.C.
31 TEST13 I N.C.
32 TEST14 I N.C.
No Name I/O Function
33 TEST15 I N.C.
34 TEST16 I N.C.
35 DAWC O DAC L/R CLOCK OUTPUT
36 DABC O DAC BIT CLOCK OUTPUT
37 DAMC O DAC MASTER CLOCK
38 VSS - GND
39 TEST17 I N.C.
40 DACS1 O DAC AUDIO DATA OUTPUT
41 DALR O DAC AUDIO DATA OUTPUT
42 DAS2 O DAC AUDIO DATA OUTPUT
43 VDD - +5V
44 TEST18 O N.C.
45 TEST19 O N.C.
46 TEST20 I N.C.
47 TEST21 O N.C.
48 TEST22 I N.C.
49 TEST23 I N.C.
50 TEST24 I N.C.
51 TEST25 I N.C.
52 I2CDA I/OD CPU/I2C BUS INTERFACE SERIAL DATA INPUT
53 I2CCL I CPU/I2C BUS INTERFACE BIT CLOCK INPUT
54 TEST26 O N.C.
55 /CRS I SERIAL 3-WIRE TYPE (/I2CSEL= “H”) :CPU INTERFACE RESET INPUT
56 MUTE O SYSTEM MUTE DETECTION
57 OVFL O N.C.
58 OVFR O N.C.
59 TEST27 O N.C.
60 TEST28 O N.C.
61 ADSEL I AUDIO DATA INPUT SWITCH (“H” :ADD INPUT, “L” :I2SSDI INPUT)
62 FS1 I SAMPLING FREQUENCY SWITCHER (VALID ONLY WHEN ADSEL = “L”)
63 FS0 I SAMPLING FREQUENCY SWITCHER (VALID ONLY WHEN ADSEL = “L”)
64 /EMP I DE-EMPHASIS PROCESSING (“L” :ON)
ADD
64FS
LRCK
256FS
VSS
XI
XO
/I2CSEL
/IC
VDD
I2SSDO
I2SSDI
I2SWS
I2SCL
TEST1
TEST0
MODE1
MODE0
DAMODE
TEST2 TEST3 TEST4 TEST5 TEST6 TEST7 TEST8 TEST9 TEST10 TEST1
1
TEST12 TEST13 TEST14
TEST25
TEST24
TEST23
TEST22
TEST21
TEST20
TEST19
TEST18
VDD
DAS2
DALR
DACS1
TEST17
VSS
DAMC
DABC
DAWC
TEST16
TEST15
/EMP FS0 FS1 ADSEL TEST28 TEST27 OVFR OVFL MUTE /CRS TEST26 I2CCL I2CDA
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20 21 22 23 24 25 26 27 28 29 30 31 32
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
64 63 62 61 60 59 58 57 56 55 54 53 52
Q602: YSS241 PRO LOGIC DECODER
/CRS
I2CCL
I2CDA
/I2CSEL
MODE1,0
I2SWS
I2SCL
I2SSDI
I2SSDO
LRCK
64FS
ADD
ADSEL
FS1,0
/EMP
DALR
DACS1
DACS2
DAWC
DABC
/IC
DAMODE
MUTE OVFL OVFR
XI
XO
256FS DAMC
I2C
Interface
Microprocessor
Interface
Delay RAM
MSP3410
Interface
DIR2
ADC
Interface
Main
DSP
Sub
DSP
DAC
Interface
Timing
Generator
>
> >
>
>
>
QK01: AK5340 A/D CONVERTER
VREF
VREFIN
AINL
AINL
AINR
AINR
26
3
1
2
TST1
8
TST2
11
Voltage
Reference
TST3
21
TST4
22
CLK
20
SCLK
15
L/R
14
FSYNC
17
Serial Output
Interface
16
SDATA
12
CMODE
13
SMODE
19
DGND
18
VDP VDB PD
10 24
Calibration
SRAM
Controller
SEL18
9
Decimation
Filter
Decimation
Filter
LP Filter
LP Filter
DAC
DAC
VA AGND
4 5