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