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| PartNumber | CSR8645 | CSR8645A03-IBBC-R | CSR8645A04 |
| Description | |||
| Manufacturer | CSR PLC | - | CSR PLC |
| Product Category | RF Transceiver ICs | - | RF Transceiver ICs |
| Series | BlueCoreR CSR8645 | - | BlueCoreR CSR8645 |
| Type | TxRx + MCU | - | TxRx + MCU |
| Packaging | Digi-ReelR Alternate Packaging | - | Digi-ReelR Alternate Packaging |
| Package Case | 64-VFBGA | - | 64-VFBGA |
| Frequency | 2.4GHz | - | 2.4GHz |
| Operating Temperature | - | - | - |
| Sensitivity | -90dBm | - | -90dBm |
| Voltage Supply | - | - | - |
| Memory Size | 1kB ROM, 56kB RAM | - | 1kB ROM, 56kB RAM |
| Protocol | Bluetooth v4.0 | - | Bluetooth v4.0 |
| Data Rate Max | - | - | - |
| Serial Interfaces | I2C, I2S, SPI, UART, USB | - | I2C, I2S, SPI, UART, USB |
| Power Output | 9dBm | - | 9dBm |
| Current Receiving | - | - | - |
| RF Family Standard | Bluetooth | - | Bluetooth |
| Modulation | - | - | - |
| GPIO | - | ||
| Current Transmitting | - | - | - |