CM101S+ C-Media Electronics, Inc., CM101S+ Datasheet - Page 8

• Manufacturer Part Number: CM101S+
• Description: USB 2CH Audio Controller
• Manufacturer: C-Media Electronics, Inc.

Date: 09/25/2005
*Note
Pin #
10
12
13
14
15
16
17
18
3.3 PIN SIGNAL DESCRIPTIONS
11
1
2
3
4
5
6
7
8
9
U
:DI / DO / DIO – Digital Input / Output / Bi-Directional Pad
AI / AO / AIO – Analog Input / Output / Bi-Directional Pad
P – Power Pin
SR – Slew Rate Control
ST – Schmitt Trigger
PD / PU – Pull Down / Pull Up
5VT – 5 Volt Tolerant (3.3V Pad)
DVDD5V
Symbol
VOLADJ
SPDIFO
USBDM
USBDP
PDSW
REGV
PAEN
DVSS
VREF
AVDD
TEST
AVSS
GPIO
LOR
LOL
XO
XI
DIO, 8mA, ST,
DO, 8mA, SR
DO, 8mA, SR
DI, ST, PD
SR, PD
DI, ST
Type
AIO
AIO
AO
AO
AO
AO
AO
AI
AI
P
P
P
P
Power Amplifier Control Input, Connect to a Switch or
Pull-High in Normal Operation.
H: Enable Power Amplifier (Normal Mode)
L: Disable Power Amplifier
GPIO Pin, Controlled via Vender Specific Command
Output Pin for 12MHz Oscillator
Input Pin for 12MHz Oscillator
5V Power Supply
Regulator Output 3.3V
USB Data D+
USB Data D-
Digital Ground
Test Mode Select Pin, Pull-Down in normal Operation
Connecting to External Decoupling Capacitor for Embedded
Band gap Circuit; 2.25V Output
Analog Volume Control Input from external VR circuit.
5V Power Supply for Analog Circuit
Line Out Left Channel
Line Out Right Channel
Analog Ground
S/PDIF Data Output
Power Down Switch Control Signal Output
0 ~ 2.25V:
3.5 ~ 5V:
1: Normal Mode
0: Power Down Mode (Suspend Mode)
USB Audio With Dolby Digital Live Solution
- 8 -
0 dB
+12 dB ~ 3 dB / mute
Description
Version: 1.01
CM101S+