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FD7255S

接口：SDIO

WIFI/蓝牙：WIFI 6 ; BT 5.0

频段：2.4G ; 5G

天线：1T1R

物理层最大传输速率：286.8Mbps

带宽：40M

吞吐速率：260Mbps

认证：SRRC/ROHS/CE/FCC

尺寸：12mm*12mm

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Product Name	FD7255S
Product description	802.11ax/ac/a/b/g/n 1T1R dual band Wi-Fi and Bluetooth 5.0 comb module
Dimension	12.0(±0.1)mm12.0(±0.1)mm1.65(±0.2)mm
Power supply	VBAT：3.0~3.6V；VDDIO：1.62V~1.92V/3.0V~3.6V
Host interface	SDIO3.0 + UART + PCM
Footprint	LCC 44pin
Operating temperature	-30°C to 70°C
Operating humidity	10% to 90% (Non-Condensing)
Storage temperature	- 40°C to 85°C

Pin Number	Pin Name	Pin Type	Pin Description
1	GND	G	Ground connections
2	WL_BT_ANT	RF	Wi-Fi & BT antenna I/O port
3	GND	G	Ground connections
4	NC	-	Floating (Don’t connected to ground)
5	NC	-	Floating (Don’t connected to ground)
6	NC	-	Floating (Don’t connected to ground)
7	NC	-	Floating (Don’t connected to ground)
8	GND	-	Ground connections
9	VBAT	P	Main power voltage source input
10	NC	-	Floating (Don’t connected to ground)
11	NC	-	Floating (Don’t connected to ground)
12	CHIP_EN	I	Module enable signal
13	WAKE_GIPO0	I/O	Wake up signal with auto negotiation
14	SDIO_DATA_2	I/O	SDIO data line 2
15	SDIO_DATA_3	I/O	SDIO data line 3
16	SDIO_DATA_CMD	I/O	SDIO command line
17	SDIO_DATA_CLK	I/O	SDIO clock line
18	SDIO_DATA_0	I/O	SDIO data line 0
19	SDIO_DATA_1	I/O	SDIO data line 1
20	GND	G	Ground connections
21	NC	-	Floating (Don’t connected to ground)
22	VDDIO	P	I/O Voltage supply input
23	NC	-	Floating (Don’t connected to ground)
24	NC	-	Floating (Don’t connected to ground)
25	PCM_OUT	O	PCM Data output
26	PCM_CLK	I/O	PCM clock
27	PCM_IN	I	PCM data input
28	PCM_SYNC	I/O	PCM sync signal
29	NC	-	Floating (Don’t connected to ground)
30	NC	-	Floating (Don’t connected to ground)
31	GND	G	Ground connections
32	NC	-	Floating (Don’t connected to ground)
33	GND	G	Ground connections
34	WAKE_GIPO1	I/O	Wake up signal with auto negotiation
35	NC	-	Floating (Don’t connected to ground)
36	GND	G	Ground connections
37	NC	-	Floating (Don’t connected to ground)
38	NC	-	Floating (Don’t connected to ground)
39	NC	-	Floating (Don’t connected to ground)
40	NC	-	Floating (Don’t connected to ground)
41	UART_RTS_N	I/O	UART DCE request send signal
42	UART_TXD	I/O	UART TX signal
43	UART_RXD	I/O	UART RX signal
44	UART_CTS_N	I/O	UART DEC clear send signal

FD7255S

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