FD7352S
Interface: SDIO 3.0
Wi-Fi/Bluetooth: Wi-Fi 6/6E; Bluetooth 5.4
Frequency Bands: 2.4 GHz; 5 GHz
Antenna: 2T2R (2 Transmit 2 Receive)
Maximum Physical Layer Data Rate for 2.4G/5G: 572.4 Mbps / 1.2 Gbps
Bandwidth: 80 MHz
Throughput Rate: 550 Mbps
Certifications: SRRC/ROHS/CE/FCC
Dimensions: 15 mm * 13 mm
| Product Name | FD7352S | ||
| Product description | 802.11ax/ac/a/b/g/n 2T2R dual band Wi-Fi and Bluetooth 5.4 comb module | ||
| Dimension | 15.0(±0.1) mm*13.0(±0.1) mm*1.65(±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 50pin | ||
| 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_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 | GND | G | Ground connections |
| 14 | NC | - | Floating (Don’t connected to ground) |
| 15 | CHIP_EN | I | Module enable signal |
| 16 | NC | - | Floating (Don’t connected to ground) |
| 17 | SDIO_DATA_CMD | I/O | SDIO command line |
| 18 | SDIO_DATA_CLK | I/O | SDIO clock line |
| 19 | SDIO_DATA_3 | I/O | SDIO data line 3 |
| 20 | SDIO_DATA_2 | I/O | SDIO data line 2 |
| 21 | SDIO_DATA_0 | I/O | SDIO data line 0 |
| 22 | SDIO_DATA_1 | I/O | SDIO data line 1 |
| 23 | GND | G | Ground connections |
| 24 | NC/ U1RXD | - | Floating (Don’t connected to ground) |
| 25 | NC/U1TXD | - | Floating (Don’t connected to ground) |
| 26 | NC | - | Floating (Don’t connected to ground) |
| 27 | GND | G | Ground connections |
| 28 | NC | - | Floating (Don’t connected to ground) |
| 29 | NC | - | Floating (Don’t connected to ground) |
| 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 send signal |
| 43 | UART_CTS | I/O | UART DEC clear send signal |
| 44 | PCM_CLK | I/O | PCM clock |
| 45 | PCM_SYNC | I/O | PCM sync signal |
| 46 | PCM_IN | I | PCM data input |
| 47 | PCM_OUT | O | PCM Data output |
| 48 | GND | G | Ground connections |
| 49 | HOST_WAKE_WL | I/O | HOST wake-up WLAN |
| 50 | WL_WAKE_HOST | I/O | WLAN wake-up HOST |
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