User's Manual

Wi-Fi&BT Module Series
FC20 Series Hardware Design
FC20_Series_Hardware_Design Confidential / Released 15 / 47
3.2. Pin Assignment
32 34 35
33
36
37 38
29
28
30
31
27
26
24
23
25
22
21
20
19 17 16
18
15
14 13
47
48
49
46
WLAN_EN
GND
RF_ANT
GND
GND
SDIO_CMD
SDIO_CLK
SDIO_D0
SDIO_D1
SDIO_D2
SDIO_D3
VDD_3V3
GND
GND
RESERVED
DBG_TXD
BT_UART_CTS
BT_EN
VIO
RESERVED
GND Pins
LTE_UART_TXD
LTE_UART_RXD
BT_UART_RTS
3
4
2
1
5
6
8
9
7
10
11
12
51
50
52
40
39
41
42
44 4543
PCM_IN
PCM_SYNC
PCM_CLK
PCM_OUT
BT_UART_TXD
BT_UART_RXD
32KHz_IN
GND GND
RESERVED
RESERVED RESERVED RESERVED
WAKE_ON_WIRELESS
Power Pins
GND
Signal Pins
Reserved Pins
Figure 2: Pin Assignment of FC20 Series Module
Please keep all RESERVED pins open.
NOTE