Service manual
SREV1
22
PIN
NO.
I/O FUNCTIONNAME
PIN
NO.
I/O FUNCTIONNAME
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
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
VSS
VDD33
CSN
WRN
RDN
WAITN
A4
A3
A2
A1
DACKN
DREQN
VSS
VDD33
VDD25
D00
D01
D02
D03
D04
D05
D06
D07
VSS
D08
D09
D10
D11
D12
D13
D14
D15
VSS
VDD33
VDD25
D16
D17
D18
D19
D20
D21
D22
D23
VSS
D24
D25
D26
D27
D28
D29
D30
D31
VSS
VDD33
VDD25
n.c
n.c
n.c
n.c
n.c
DI0
DI1
SO0
SO1
I
I
I
O
I
I
I
I
I
O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I
I
O
O
Ground (GND)
Power supply (+3.3 V)
Chip select
Write
Read
Wait
Address bus
DMA strobe
DMA request
Ground (GND)
Power supply (+3.3 V)
Power supply (+2.5 V)
Data bus
Ground (GND)
Data bus
Ground (GND)
Power supply (+3.3 V)
Power supply (+2.5 V)
Data bus
Data bus
Ground (GND)
Data bus
Ground (GND)
Power supply (+3.3 V)
Power supply (+2.5 V)
Not used
Data input
Serial data output
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
VSS
VDD33
VDD25
SCLK
RSTN
OVFN
TXFN
VSS
BCLK
WCLK
WSEL0
WSEL1
FSSEL
BUSWD
BUSW
TST
VSS
VDD33
TST00
TST01
TST02
TST03
TST04
TST05
TST06
TST07
TST08
TST09
VSS
VDD25
MI1
MI0
SI1
SI0
DO1
DO0
VSS
VDD33
VDD25
TST10
TST11
TST12
TST13
TST14
TST15
TST16
TST17
TST18
TST19
TST20
VSS
VDD33
VDD25
TST21
TST22
TST23
TST24
TST25
TST26
TST27
TST28
TST29
TST30
TST31
I
I
O
O
I
I
I
I
I
I
I
I
O
O
O
O
O
O
O
O
O
O
I
I
I
I
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
Ground (GND)
Power supply (+3.3 V)
Power supply (+2.5 V)
System clock
Reset
Overflow flag
Coefficient tactor write interdiction flag
Ground (GND)
Bit clock
Word clock
Serial data format
Fs select
DMA data bus (24/16 bit) switch
data bus (32/16bit) switch
Test pin
Ground (GND)
Power supply (+3.3 V)
Test output
Ground (GND)
Power supply (+2.5 V)
Mixing input
Serial data input
Data output
Ground (GND)
Power supply (+3.3 V)
Power supply (+2.5 V)
Test output
Ground (GND)
Power supply (+3.3 V)
Power supply (+2.5 V)
Test output
YSS916-H (XW867A00) CNV3 DSP (Convolver)
CNV: IC1–16, 35–50