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| PartNumber | BC57E687C-GITB-E4 | BC57E687C-GITB | BC57E687C-GITB-E4M |
| Description | IC RF TXRX+MCU BLUTOOTH 169TFBGA | ||
| Manufacturer | CSR PLC | CSR PLC | CSR |
| Product Category | RF Transceiver ICs | RF Transceiver ICs | IC Chips |
| 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 | - | - | - |