32
STR-DA7100ES
DSP BOARD IC2 ADSP21266SKSTZ-2C (DSP)
Pin No.
Pin Name
I/O
Description
1
VDDINT
-
Power supply terminal (+1.2V)
2
CLKCFG0
-
Not used
3
CLKCFG1
-
Not used
4
BOOTCFG0
-
Not used
5
BOOTCFG1
-
Not used
6
GND
-
Ground terminal
7
VDDEXT
-
Power supply terminal (+3.3V)
8
GND
-
Ground terminal
9
VDDINT
-
Power supply terminal (+1.2V)
10
GND
-
Ground terminal
11
VDDINT
-
Power supply terminal (+1.2V)
12
GND
-
Ground terminal
13
VDDINT
-
Power supply terminal (+1.2V)
14
GND
-
Ground terminal
15
INT_REQ
O
Interrupt status output to the main system controller
16
DIR_ERR
O
PLL lock error signal and data error flag output to the main system controller
17
AD7
I/O
Two-way data bus and address signal output with S-RAM
18
GND
-
Ground terminal
19
VDDINT
-
Power supply terminal (+1.2V)
20
GND
-
Ground terminal
21
VDDEXT
-
Power supply terminal (+3.3V)
22
GND
-
Ground terminal
23
VDDINT
-
Power supply terminal (+1.2V)
24 to 26
AD6 to AD4
I/O
Two-way data bus and address signal output with S-RAM
27
VDDINT
-
Power supply terminal (+1.2V)
28
GND
-
Ground terminal
29, 30
AD3, AD2
I/O
Two-way data bus and address signal output with S-RAM
31
VDDEXT
-
Power supply terminal (+3.3V)
32
GND
-
Ground terminal
33, 34
AD1, AD0
I/O
Two-way data bus and address signal output with S-RAM
35
XWR
O
Data write enable signal output terminal “L” active
36, 37
VDDINT
-
Power supply terminal (+1.2V)
38
GND
-
Ground terminal
39
XRD
O
Read strobe signal output terminal
40
ALE
O
Address latch enable signal output terminal
41 to 43
AD15 to AD13
I/O
Two-way data bus and address signal output with S-RAM
44
GND
-
Ground terminal
45
VDDEXT
-
Power supply terminal (+3.3V)
46
AD12
I/O
Two-way data bus and address signal output with S-RAM
47
VDDINT
-
Power supply terminal (+1.2V)
48
GND
-
Ground terminal
49 to 52
AD11 to AD8
I/O
Two-way data bus and address signal output with S-RAM
53
A16
O
Address signal output to S-RAM
54
VDDINT
-
Power supply terminal (+1.2V)
55
GND
-
Ground terminal
56, 57
A17, A18
O
Address signal output to S-RAM
58
GND
-
Ground terminal
59
VDDEXT
-
Power supply terminal (+3.3V)
60
VDDINT
-
Power supply terminal (+1.2V)
