CM108 View Datasheet(PDF) - Unspecified

Part Name

Description

Manufacturer

CM108

High Integrated USB Audio I/O Controller

Unspecified 

CM108

Integration Dual DAC, Earphone Driver, ADC,

Microphone Booster, PLL, Regulator, and USB Transceiver

7.1.2 Configuration Descriptor

Offset

Field

0

bLength

1

bDescriptorType

2

wTotalLength

4

bNumInterfaces

5 bConfigurationValue

6

iConfiguration

7

bmAttributes

8

bMaxPower

Size

1

1

2

1

1

1

1

2

Value

(Hex)

Description

09 Total 9 Bytes

02 Configuration Descriptor

Total length of data returned for this

configuration.

Programmable by MSEL and MODE pin

04 or 03 Number of interfaces supported by this

Configuration, Changed by MODE pin.

EP0: Control Interface

EP1: ISO-OUT Interface

EP2: ISO-IN Interface (Optional)

EP3: INT-IN (HID) Interface

01

00

A0 or E0 Programmable by PWRSEL

32 or FA Maximum power consumption of the

USB. Programmable by MODE and

PWRSEL Pin

7.1.3 Content Format for EEPROM (93C46)

1W = 2Bytes

id code 2 bytes

VID 2 bytes

PID 2 bytes

serial num ber

6 bytes

670X

where X = bit 4, 3, 2, 1

bit 2 serial num ber enable control 1: enable 0: disable

bit 1 product string enable control 1: enable 0: disable

address = 0

unused

Date: Nov/01/2004

- 14 -

Version: 1.5

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