CM6327A
USB Single-Chip Audio Solution for Mono Microphone
3
Pin Descriptions
3.1 Pin Assignment by Pin Number
Pin
1
2
3
4
5
6
7
8
9
10
11
12
Signal Name
PDSW
N.C.
TEST
GPIO_1
GPIO_2
GPIO_3
GPIO_4
LED_1
LED_3
XTAL_I
XTAL_O
N.C.
Pin
13
14
15
16
17
18
19
20
21
22
23
24
Signal Name
N.C.
HID_EN
N.C.
N.C.
I2C_SCLK
I2C_SDAT
I2C_INT
USB_DP
USB_DM
DVSS
REGV_3V3
DVDD5V
Pin
25
26
27
28
29
30
31
32
33
34
35
36
Signal Name
AVSS
MIC_IN
N.C.
VREF
VBIAS
N.C.
AVDD
AVDD
AVSS
AVSS
N.C.
AVDD
Pin
37
38
39
40
41
42
43
44
45
46
47
48
Signal Name
AVDD
REGV_4V5
N.C.
GPI_1
GPI_2
GPIO_5
GPIO_6
GPIO_7
GPIO_8
MUTE_REC
RM_Wake
DVSS
3.2
Pin-Out Diagram
MUTE_REC
REGV_4V5
38
RM_Wake
GPIO_8
GPIO_7
GPIO_6
GPIO_5
GPI_2
GPI_1
48
47
46
45
44
43
42
41
40
39
PDSW
N.C.
TEST
GPIO_1
GPIO_2
GPIO_3
GPIO_4
LED_1
LED_3
XTAL_I
XTAL_O
N.C.
1
2
3
4
5
6
7
8
9
10
11
12
37
36
35
34
AVDD
DVSS
N.C.
AVDD
N.C.
AVSS
AVSS
AVDD
AVDD
N.C.
VBIAS
VREF
N.C.
MIC_IN
AVSS
CM6327A
LQFP-48
33
32
31
30
29
28
27
26
25
13
14
15
16
17
18
19
20
21
22
23
REGV_3V3
USB_DM
I2C_SDAT
www.cmedia.com.tw
Copyright© C-Media Electronics Inc.
Rev. 2.0
︱
Page 6
DVDD_5V
N.C.
N.C.
N.C.
I2C_SCLK
I2C_INT
USB_DP
HID_EN
DVSS
24
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