22
1
VDD1
—
Power supply. (+5v.)
2
RAMCEN
O
External RAM chip select output.
3, 4
RAM16, 15
O
External RAM address data output. (Not used.)
5 – 7
SDIB0 – 2
I
PCM input to sub DSP. (Not used.)
8
XI
I
Xta’l 12.288MHz input.
9
XO
O
Not used.
10
VSS
—
Ground.
11
AVDD
—
Power supply. (+3.3v)
12
SDIB3
O
PCM input to sub DSP. (Not used.)
13, 14
TEST
—
Test terminal.(Not used.)
15
OVFB
O
Sub DSP over fllow detect. (Not used.)
16
DTS DATA
O
DTS data detect. (Not used.)
17
AC3 DATA
O
AC-3 data detect. (Not used.)
18
SDOB3
O
PCM output from Sub DSP. Not used.
19
CPO
O
Output for PLL.Connected to external analog filter.
20
AVSS
—
Ground.
21
VDD2
—
Power supply. (+3.3v.)
22 – 24
SDOA2 – 0
O
PCM output from Main DSP. (Not used.)
25 – 29
RAMA14 – 10
O
External RAM address data output.
30
VSS
—
Ground.
31
VDD1
—
Power supply. (+5v.)
32 – 39
OPORT0 – 7
O
Not used.
40
VSS
—
Ground.
41
VDD2
—
Power supply. (+3.3v)
42 – 44
RAMA9 – 7
O
External RAM address data output.
45 – 47
SDOB2-0
O
PCM output from Sub DSP.
48
SDBCK1
I
Bit clock input for SDOA, SDIB, SDOB. (Not used.)
49
SDWCK1
I
Word clock input for SDOA, SDIB, SDOB. (Not used.)
50
VSS
—
Ground.
51
VDD2
—
Power supply. (+3.3v.)
52
NONPCM
O
Non-PCM data detect. (Not used.)
53
CRC
O
AC-3 CRC error detect.(Not used.)
54
MUTE
O
Auto mute detect.(Not used.)
55
KARAOKE
O
AC-3 karaoke data detect. (Not used.)
56
SURENC
O
AC-3 2/0 mode dolby surround encode input detect. (Not used.)
57
SDBCKO
O
SDBCK0 inverter clock output. (Not used.)
58, 59
RAMA6, 5
O
External SRAM address data output.
60
VSS
—
Ground.
61
RAMA4
O
External SRAM address data output.
62
IC
I
Initial clear.
63
TEST
—
Test terminal. (Not used.)
64
RAMA3
O
External SRAM address data output.
65
CSB
I
Chip select input for Sub DSP.
66
CSB
I
Microcomputer interface chip select input.
67
SO
O
Microcomputer interface data output.
68
SI
I
Microcomputer interface data input.
69
SCK
I
Microcomputer interface clock input.
70
RAMA2
O
External SRAM address data output.
Pin No.
Pin Name
I/O
Function
• IC1006 CXD9511AQ Audio DISP (DIGITAL BOARD)
Содержание STR-DE445 - Fm Stereo/fm-am Receiver
Страница 14: ...STR DE445 DE545 SE501 14 14 3 7 SCHEMATIC DIAGRAM MAIN 2 3 SECTION ...
Страница 15: ...STR DE445 DE545 SE501 15 15 3 8 SCHEMATIC DIAGRAM MAIN 3 3 SECTION ...
Страница 18: ...STR DE445 DE545 SE501 18 18 3 11 PRINTED WIRING BOARD VIDEO KEY SECTION See page 7 for Circuit Boards Location ...
Страница 19: ...STR DE445 DE545 SE501 19 19 3 12 SCHEMATIC DIAGRAM VIDEO KEY SECTION See page 29 for IC Block Diagrams ...
