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27
DSP-A595
No.
Name
I/O
Function
1
PVDD
+5V power supply
2
RAMCEN
O
RAM chip enable output terminal, connected to external 1M SRAM chip enable
3
RAMA16
O
RAM address output terminal 16, connected to external 1M SRAM address
4
RAMA15
O
RAM address output terminal 15, connected to external 1M SRAM address
5
SDIB0
I
Serial data input B terminal 0 (normally connected to ground)
6
SDIB1
I
Serial data input B terminal 1 (normally connected to ground)
7
SDIB2
I
Serial data input B terminal 2 (normally connected to ground)
8
XI
I
Crystal oscillator connection external clock input terminal
9
XO
O
Crystal oscillator connection (normally unconnected)
10
PVSS
Ground (digital)
11
AVDD
+3V power supply (analog)
12
TEST
Test terminal (normally unconnected)
13
TEST
Test terminal (normally unconnected)
14
TEST
Test terminal (normally unconnected)
15
OVFB
O
Overflow detect terminal (normally unconnected)
16
TEST
Test terminal (normally unconnected)
17
TEST
Test terminal (normally unconnected)
18
TEST
Test terminal (normally unconnected)
19
CPO
O
PLL output terminal (connected to AVSS through external analog filter)
20
AVSS
Ground (analog)
21
VDD
+3V power supply
22
SDOA2
O
Serial data output A terminal 2 (normally unconnected)
23
SDOA1
O
Serial data output A terminal 1 (normally unconnected)
24
SDOA0
O
Serial data output A terminal 0 (normally unconnected)
25
RAMA14
O
RAM address terminal 14 output terminal, connected to external 1M SRAM address
26
RAMA13
O
RAM address terminal 13 output terminal, connected to external 1M SRAM address
27
RAMA12
O
RAM address terminal 12 output terminal, connected to external 1M SRAM address
28
RAMA11
O
RAM address terminal 11 output terminal, connected to external 1M SRAM address
29
RAMA10
O
RAM address terminal 10 output terminal, connected to external 1M SRAM address
30
VSS
Ground
31
PVDD
+5V power supply
32
OPORT0
O
Output port terminal 0, dolby pro logic signal output
33
OPORT1
O
Output port terminal 1, (normally unconnected)
Output port terminal 2, (normally unconnected)
Output port terminal 3, (normally unconnected)
Output port terminal 4, (normally unconnected)
Output port terminal 5, (normally unconnected)
Output port terminal 6, (normally unconnected)
Output port terminal 7, (normally unconnected)
RAM address output terminal 9 , connected to external 1M SRAM address
RAM address output terminal 8 , connected to external 1M SRAM address
44
RAMA7
O
RAM address output terminal 7 , connected to external 1M SRAM address
45
SDOB2
O
Serial data output B terminal 2
46
SDOB1
O
Serial data output B terminal 1
47
SDOB0
O
Serial data output B terminal 0
48
SDBCK1
I
Serial data bit clock input terminal 1
49
SDWCK1
I
Serial data word clock input terminal 1
50
VSS
Ground
IC4 : YSS908-F (AC3Dav)
Digital Dolby Pro Logic DDSP
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