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| PartNumber | BC57E687C-GITB-E4 | BC57E687C-G1TB-E4 | BC57E687C-GITB |
| Description | IC RF TXRX+MCU BLUTOOTH 169TFBGA | ||
| Manufacturer | CSR PLC | - | CSR PLC |
| Product Category | RF Transceiver ICs | - | RF Transceiver ICs |
| Series | BlueCore5 Multimedia | - | BlueCore5 Multimedia |
| Type | TxRx + MCU | - | TxRx + MCU |
| Packaging | Digi-ReelR Alternate Packaging | - | Digi-ReelR Alternate Packaging |
| Package Case | 169-TFBGA | - | 169-TFBGA |
| Frequency | 2.4GHz | - | 2.4GHz |
| Operating Temperature | - | - | - |
| Sensitivity | -90dBm | - | -90dBm |
| Voltage Supply | 1.5V | - | 1.5V |
| Memory Size | 48kB RAM | - | 48kB RAM |
| Protocol | Bluetooth v2.1 +EDR, Class 2 and 3 | - | Bluetooth v2.1 +EDR, Class 2 and 3 |
| Data Rate Max | 3Mbps | - | 3Mbps |
| Serial Interfaces | I2C, I2S, UART, USB | - | I2C, I2S, UART, USB |
| Power Output | 8dBm | - | 8dBm |
| Current Receiving | - | - | - |
| RF Family Standard | Bluetooth | - | Bluetooth |
| Modulation | - | - | - |
| GPIO | 16 | - | 16 |
| Current Transmitting | - | - | - |