CM118B Datasheet, PDF (4/25 Pages) C-Media Electronics – Highly Integrated & Configurable USB Audio Single Chip

CM118B
Highly Integrated & Configurable USB Audio Single Chip
1. Ordering Information
Product
Package Marking
CM118B
CM118B
Package Type
LQFP-48 (7 x 7mm)
Green Package
Transport
Media
Tray
2. Pin Descriptions
2.1 Pin Assignment by Pin Number
Pin #
1
2
3
4
5
6
7
8
9
10
11
12
Signal Name
DALRCK
DASCLK
VOLDN
SPDIFO
DW
DR
SK
CS
MUTER
PWRSEL
DREG18
DREG33
Pin #
13
14
15
16
17
18
19
20
21
22
23
24
Signal Name
MODE
LEDO
DVSS
GPIO4
GPIO5
GPIO6
MUTEP
LEDR
TEST
AVSS
VBIASL
VREF
Pin #
25
26
27
28
29
30
31
32
33
34
35
36
Signal Name
MICINL
VBIASR
MICINR
AVDD
LOL
LOBS
LOR
AVSS
AVDD
DVDD
DVSS
AREG36
Pin #
37
38
39
40
41
42
43
44
45
46
47
48
2.2 Pin-Out Diagram
Storage
Temperature
-45 to 120℃
Signal Name
DREG18
MICONLY
MSEL
VOLUP
PDSW
DREG33
USBDP
USBDM
SCLK
SDOUT
DAMCLK
SDAT
DREG18
37
MICONLY
38
MSEL
39
VOLUP
40
PDSW
41
DREG33
42
USBDP
43
USBDM
44
SCLK
45
SDOUT
46
DAMCLK
47
SDAT
48
CM118B
LQFP-48
24
VREF
23
VBIASL
22
AVSS
21
TEST
20
LEDR
19
MUTEP
18
GPIO6
17
GPIO5
16
GPIO4
15
DVSS
14
LEDO
13
MODE
Datasheet Revision: 1.00
Page 4 / 25
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