92
HCD-HDX500/HDX501W
DSP BOARD IC002 ADSST-AVR-1115 (DSP)
Pin No.
Pin Name
I/O
Description
1
VDDINT
-
Power supply terminal (+1.2V) (for core)
2
CLKCFG0
I
Core instruction rate to CLKIN (pin 142) ratio selection signal input terminal
Fixed at "L" in this set
3
CLKCFG1
I
Core instruction rate to CLKIN (pin 142) ratio selection signal input terminal
Fixed at "H" in this set
4, 5
BOOTCFG0,
BOOTCFG1
I
Boot mode selection signal input terminal Fixed at "H" in this set
6
GND
-
Ground terminal
7
VDDEXT
-
Power supply terminal (+3.3V) (for I/O)
8
GND
-
Ground terminal
9
VDDINT
-
Power supply terminal (+1.2V) (for core)
10
GND
-
Ground terminal
11
VDDINT
-
Power supply terminal (+1.2V) (for core)
12
GND
-
Ground terminal
13
VDDINT
-
Power supply terminal (+1.2V) (for core)
14
GND
-
Ground terminal
15
INT_REQ
O
Interrupt signal output to the system controller
16
DIR_ERR
I
PLL lock error signal and data error flag input from the digital audio interface receiver
17
AD7
I/O
Two-way address and data bus terminal Not used
18
GND
-
Ground terminal
19
VDDINT
-
Power supply terminal (+1.2V) (for core)
20
GND
-
Ground terminal
21
VDDEXT
-
Power supply terminal (+3.3V) (for I/O)
22
GND
-
Ground terminal
23
VDDINT
-
Power supply terminal (+1.2V) (for core)
24 to 26
AD6 to AD4
I/O
Two-way address and data bus terminal Not used
27
VDDINT
-
Power supply terminal (+1.2V) (for core)
28
GND
-
Ground terminal
29, 30
AD3, AD2
I/O
Two-way address and data bus terminal Not used
31
VDDEXT
-
Power supply terminal (+3.3V) (for I/O)
Two-way address and data bus terminal Not used
Write enable signal output terminal Not used
Power supply terminal (+1.2V) (for core)
Read enable signal output terminal Not used
Address latch enable signal output terminal Not used
Two-way address and data bus terminal Not used
GND
Ground terminal
45
VDDEXT
-
Power supply terminal (+3.3V) (for I/O)
46
AD12
I/O
Two-way address and data bus terminal Not used
47
VDDINT
-
Power supply terminal (+1.2V) (for core)
48
GND
-
Ground terminal
49 to 52
AD11 to AD8
I/O
Two-way address and data bus terminal Not used
53
A16
-
Not used
54
VDDINT
-
Power supply terminal (+1.2V) (for core)
55
GND
-
Ground terminal
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