Yamaha yss912 Manuale Utente
YSS912
3
PIN FUNCTION
No.
Name
I/O
FUNCTION
1
VDD1
-
+5V power supply (for I/Os)
2
RAMCEN
O
External SRAM interface /CE
3
RAMA16
O
External SRAM interface address 16
4
RAMA15
O
External SRAM interface address 15
5
SDIB0
I+
PCM input 0 to Sub DSP
6
SDIB1
I+
PCM input 1 to Sub DSP
7
SDIB2
I+
PCM input 2 to Sub DSP
8
XI
I
Crystal oscillator connection (12.288 MHz)
9
XO
O
Crystal oscillator connection
10
VSS
-
Ground
11
AVDD
-
+3.3 V power supply (for PLL circuit)
12
SDIB3
I+
PCM input 3 to Sub DSP
13
TEST
Test terminal (to be open in normal use)
14
TEST
Test terminal (to be open in normal use)
15
OVFB
O
Detection of overflow at Sub DSP
16
DTSDATA
O
Detection of DTS data
17
AC3DATA
O
Detection of AC-3 data
18
SDOB3
O
PCM output from Sub DSP
19
CPO
A
Output terminal for PLL, to be connected to ground through the external analog filter circuit
20
AVSS
-
Ground (for PLL circuit)
21
VDD2
-
+3.3 V power supply (for core logic)
22
SDOA2
O
PCM output from Main DSP (C, LFE)
23
SDOA1
O
PCM output from Main DSP (LS, RS )
24
SDOA0
O
PCM output from Main DSP (L, R)
25
RAMA14
O
External SRAM interface address 14
26
RAMA13
O
External SRAM interface address 13
27
RAMA12
O
External SRAM interface address 12
28
RAMA11
O
External SRAM interface address 11
29
RAMA10
O
External SRAM interface address 10
30
VSS
-
Ground
31
VDD1
-
+5V power supply (for I/Os)
32
OPORT0
O
Output port for general purpose
33
OPORT1
O
Output port for general purpose
34
OPORT2
O
Output port for general purpose
35
OPORT3
O
Output port for general purpose
36
OPORT4
O
Output port for general purpose
37
OPORT5
O
Output port for general purpose
38
OPORT6
O
Output port for general purpose
39
OPORT7
O
Output port for general purpose
40
VSS
-
Ground
41
VDD2
-
+3.3 V power supply (for core logic)
42
RAMA9
O
External SRAM interface address 9
43
RAMA8
O
External SRAM interface address 8
44
RAMA7
O
External SRAM interface address 7
45
SDOB2
O
PCM output from Sub DSP
46
SDOB1
O
PCM output from Sub DSP
47
SDOB0
O
PCM output from Sub DSP
48
SDBCK1
I+
Bit clock input for SDOA, SDIB, SDOB
49
SDWCK1
I+
Word clock input for SDOA, SDIB, SDOB
50
VSS
-
Ground
51
VDD2
-
+3.3 V power supply (for core logic)
52
NONPCM
O
Detection of non-PCM data
53
CRC
O
Detection of AC-3 CRC error
54
MUTE
O
Detection of auto mute
55 KARAOKE
O
Detection of AC-3 karaoke data