FD7352U
Interface: USB 3.0
WiFi/Bluetooth: WiFi 6/6E; BT 5.4
Antenna: 2T2R
Maximum Physical Layer Data Rate for 2.4G/5G: 572.4Mbps/1.2Gbps
Bandwidth: 80MHz
Throughput: 900Mbps
Certifications: SRRC/ROHS/CE/FCC
Dimensions: 15mm*13mm

| Pin Number | Pin Name | Pin Type | Pin Description | 
| 1 | GND | G | Ground connections | 
| 2 | WL_S1/BT | RF | Wi-Fi & BT antenna I/O port | 
| 3 | GND | G | Ground connections | 
| 4 | GND | G | Ground connections | 
| 5 | GND | G | Ground connections | 
| 6 | GND | G | Ground connections | 
| 7 | GND | G | Ground connections | 
| 8 | GND | G | Ground connections | 
| 9 | WL_S0 | RF | Wi-Fi antenna I/O port | 
| 10 | GND | G | Ground connections | 
| 11 | GND | G | Ground connections | 
| 12 | NC | - | Floating (Don’t connected to ground) | 
| 13 | NC | - | Floating (Don’t connected to ground) | 
| 14 | NC | - | Floating (Don’t connected to ground) | 
| 15 | CHIP_EN | I | Module enable signal | 
| 16 | NC | - | Floating (Don’t connected to ground) | 
| 17 | NC/U1TXD | - | Floating (Don’t connected to ground) | 
| 18 | NC/ U1RXD | - | Floating (Don’t connected to ground) | 
| 19 | PCM_OUT | O | PCM Data output | 
| 20 | PCM_IN | I | PCM data input | 
| 21 | PCM_SYNC | I/O | PCM sync signal | 
| 22 | PCM_CLK | I/O | PCM clock | 
| 23 | GND | G | Ground connections | 
| 24 | NC | - | Floating (Don’t connected to ground) | 
| 25 | Boot_USB3.0 | I | Boot select pin,pull low boot from usb3.0 | 
| (default boot from usb2.0) | |||
| If not used,keep it floating | |||
| 26 | NC | - | Floating (Don’t connected to ground) | 
| 27 | GND | G | Ground connections | 
| 28 | DP | I/O | USB Transmitter/Receiver Differential Pair | 
| 29 | DM | I/O | USB Transmitter/Receiver Differential Pair | 
| 30 | GND | G | Ground connections | 
| 31 | NC | - | Floating (Don’t connected to ground) | 
| 32 | GND | G | Ground connections | 
| 33 | NC | - | Floating (Don’t connected to ground) | 
| 34 | VDDIO | P | I/O Voltage supply input | 
| 35 | NC | - | Floating (Don’t connected to ground) | 
| 36 | VBAT | P | Main power voltage source input | 
| 37 | NC | - | Floating (Don’t connected to ground) | 
| 38 | NC | - | Floating (Don’t connected to ground) | 
| 39 | GND | G | Ground connections | 
| 40 | UART_TXD | I/O | UART TX signal | 
| 41 | UART_RXD | I/O | UART RX signal | 
| 42 | UART_RTS | I/O | UART DCE request to send signal | 
| 43 | UART_CTS | I/O | UART DEC clear to send signal | 
| 44 | SSRX- | I | USB3.0 receive data-Negative | 
| 45 | SSRX+ | I | USB3.0 receive data-Positive | 
| 46 | SSTX- | O | USB3.0 transmit data-Negative | 
| 47 | SSTX+ | O | USB3.0 transmit data-Postive | 
| 48 | BT_WAKE_HOST | I/O | Reserved/BT_WAKE_HOST | 
| 49 | HOST_WAKE_WL | I/O | HOST wake-up WLAN | 
| 50 | WL_WAKE_HOST | I/O | WLAN wake-up HOST |