AV-S77
AV-S77
19
No.
Name
I/O
Function
1
VDD
+5V power supply (for terminal section)
2
RAMCEN
O
External SRAM chip enable terminal
3
RAMA16
O
External SRAM address terminal 16
4
RAMA15
O
External SRAM address terminal 15
5
SDIB0
Itp
PCM input terminal 0 to Sub DSP
6
SDIB1
Itp
PCM input terminal 1 to Sub DSP
7
SDIB2
Itp
PCM input terminal 2 to Sub DSP
8
XI
Ic
Crystal oscillator connecting terminal (12.288MHz )
9
XO
O
Crystal oscillator connecting terminal
10
VSS
Ground terminal (for terminal section)
11
AVDD
+3.3V power terminal (for PLL circuit)
12
SDIB3
Itp
PCM input terminal 3 to Sub DSP
13
TEST
Test terminal (unconnected)
14
TEST
Test terminal (unconnected)
15
OVFB
O
Sub DSP overflow detect terminal
16
DTSDATA
O
DTS data detect terminal
17
AC3DATA
O
AC-3 data detect terminal
18
SDOB3
O
PCM output terminal from Sub DSP
19
CPO
A
PLL output terminal (connected to external analog filter circuit)
20
AVSS
Ground terminal (for PLL circuit)
21
VDD2
+3.3V power terminal (for internal circuit)
22
SDOA2
O
PCM output terminal from Main DSP (C/LFE output at AC-3/DTS, C/S output at Pro Logic)
23
SDOA1
O
PCM output terminal from Main DSP (LS/RS output at AC-3/DTS, Lt/Rt output at Pro Logic)
24
SDOA0
O
PCM output terminal from Main DSP (L/R output at both AC-3/DTS and Pro Logic)
25
RAMA14
O
External SRAM address terminal 14
26
RAMA13
O
External SRAM address terminal 13
27
RAMA12
O
External SRAM address terminal 12
28
RAMA11
O
External SRAM address terminal 11
29
RAMA10
O
External SRAM address terminal 10
30
VSS
Ground terminal (for internal circuit)
31
VDD1
+5V power terminal (for terminal section)
32
OPORT0
O
General purpose output terminal (ISL0 : DIGITAL INPUT SEL)
33
OPORT1
O
General purpose output terminal (ISL1 : DIGITAL INPUT SEL)
34
OPORT2
O
General purpose output terminal (ISL2 : DIGITAL INPUT SEL)
35
OPORT3
O
General purpose output terminal (RFSL : LD RF INPUT SEL)
36
OPORT4
O
General purpose output terminal (RSL0 : DIGITAL REC OUT SEL)
37
OPORT5
O
General purpose output terminal (RSL1 : DIGITAL REC OUT SEL)
38
OPORT6
O
General purpose output terminal (RSL2 : DIGITAL REC OUT SEL)
39
OPORT7
O
General purpose output terminal (ADSL : AD INPUT SEL)
40
VSS
Ground terminal (for internal circuit)
41
VDD2
+3.3V power terminal (for internal circuit)
42
RAMA9
O
External SRAM address terminal 9
43
RAMA8
O
External SRAM address terminal 8
44
RAMA7
O
External SRAM address terminal 7
45
SDOB2
O
PCM output terminal from Sub DSP
46
SDOB1
O
PCM output terminal from Sub DSP
47
SDOB0
O
PCM output terminal from Sub DSP
48
SDBCK1
Itp
Bit clock input terminal for SDOA, SDIB, SDOB signals
49
SDWCK1
Itp
Word clock input terminal for SDOA, SDIB, SDOB signals
50
VSS
Ground terminal (for terminal section)
51
VDD2
+3.3V power terminal (for internal circuit)
52
NONPCM
O
Non-PCM data detect terminal
IC4 : YSS918D-F
AC3Dav
