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PDF CM102S Data sheet ( Hoja de datos )
| Número de pieza | CM102S | |
| Descripción | USB 2CH Audio Controller | |
| Fabricantes | C-Media Electronics | |
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Best Single Chip USB Audio Controller for PC Entertainment
CM102-A/102S USB 2CH Audio Controller
Data Sheet
Version 1.4
C-MEDIA ELECTRONICS INC.
TEL: 886-2-8773-1100 FAX: 886-2-8773-2211
6F, 100, Sec. 4, Civil Boulevard, Taipei, Taiwan 106, R.O.C.
For detailed product information, please contact [email protected]
1 page  
CM102-A/102S
Integrated 2 Channel USB Audio Controller
Pin # Symbol Type
Description
Power amplifier enable;
1 PAEN DI, PD
H – normal mode, L – power down power amplifier
2
GPIO
DIO,
PD
GPIO pin, default is input mode after reset; accessible
by USB vendor specific request
3 XO
AO Clock output pin for 12MHz oscillator
4 XI
AI Clock input pin for 12MHz oscillator
5 DVDD1
P 5V digital power
6 DVDD2
3.3V voltage from internal regulator for decouple
capacitor connection
P
It is not affected by power down mode and can be
used to connect USB pull up resistor.
7 USBDP
AIO USB data D+
8 USBDM AIO USB data D-
9 DVSS
P 5V digital ground
10
TEST
DI, PD
Test mode select pin; pull low in normal mode
operation
11 VREF
AO
Connect to external decouple capacitor for embedded
bandgap
12 VOLADJ
0 ~ 2.25V input for volume adjustment by external
AI VR; pull high to disable VR volume adjustment
function
13 AVDD
P 5V analog power
14 LOL
AO Line out left channel
15 LOR
AO Line out right channel
16 AVSS
P 5V analog ground
17 SPDIF Out DO SPDIF Out
Power down switch control
18 PDSW DO, 4mA
1: normal mode, 0: power down mode
Note: DI – digital input pin , DO – digital output pin, DIO – digital bi-directional pin, P – power pin, PD –
pull down with 100K Ohm resistor, AI – analog input, AO – analog output
Date: 05/21/2003
-4-
Version: 1.4
5 Page 
CM102-A/102S
Integrated 2 Channel USB Audio Controller
3.4 Configuration / GPIO
These signals are for various configuration and GPIO.
Signal Name
PAEN
Type
I
GPIO
TEST
SPDIF Out
PDSW
I/O
I
O
O
Pin No
1
2
10
17
18
PAEN / GPIO / TEST:
Internal pull down via 100KΩ resistor.
Description
Power amplifier enable;
H – Normal mode,
L – Power down power amplifier.
GPIO pin, default is input mode after reset;
accessible by USB vendor specific request.
Test mode select pin; pull low in normal
mode operation.
This pin is used for SPDIF Out.
Power down switch control.
H - Normal mode,
L - Power down mode.
Date: 05/21/2003
- 10 -
Version: 1.4
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet CM102S.PDF ] | |
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