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NITROGEND2 Datasheet(PDF) 9 Page - C-Media Electronics

Part # NITROGEND2
Description  16-Bit Stereo USB Audio Controller
PDF  28 Pages
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Manufacturer  CMEDIA [C-Media Electronics]
Direct Link  http://www.cmedia.com.tw
Logo CMEDIA - C-Media Electronics

NITROGEND2 Datasheet(HTML) 9 Page - C-Media Electronics

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Nitrogen D2
USB Audio With Dolby Digital Live and DTS Interactive Solution
Date: 09/25/2005
Version: 1.02
- 9 -
3.3 PIN SIGNAL DESCRIPTIONS
Pin #
Symbol
Type
Description
1
EESK
DO, 8mA, SR
EEPROM Interface Clock
2
DVDD5V
P
5V Power Supply for Digital Circuit
3
EECS
DO, 8mA, SR
EEPROM Interface Chip Select
4
EEDW
DO, 8mA, SR
EEPROM Interface Write to EEPROM
5
EEDR
DI, ST, PD,
5VT
EEPROM Interface Read from EEPROM
6
LEDO
DO, 8mA, SR
LED Indicator for Playback
7
MUTE
DI, ST, PU
Mute Pin (HID Standard)
8
DVDD5V
P
5V Power Supply
9
DVDD5V
P
5V Power Supply
10
VP
DI, ST, PU
Digital Rotary Encoder Interface Pin A
11
VN
DI, ST, PU
Digital Rotary Encoder Interface Pin B
12
NC
-
No Connect
13
NC
-
No Connect
14
NC
-
No Connect
15
REGV
AO
Regulator output 3.3V
16
NC
-
No Connect
17
USB_DP
AIO
USB Data D+
18
NC
-
No Connect
19
USB_DM
AIO
USB Data D-
20
NC
-
No Connect
21
DVSS
P
Digital Ground
22
TEST
DI, ST, PD
Test Mode Select Pin, Pull-Down in normal Operation
23
VREF
AO
Connecting to External Decoupling Capacitor for
Embedded Band-gap Circuit; 2.25V Output



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