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| Part Number | SC28L91A1B,557 | SC28L92A1B,557 | SC28L91A1B,551 |
|---|---|---|---|
| Manufacturer | NXP USA Inc. | NXP USA Inc. | NXP USA Inc. |
| Product Status | Obsolete | Obsolete | Obsolete |
| Features | Configurable GPIO, Internal Oscillator, Timer/Counter | Configurable GPIO, Internal Oscillator, Timer/Counter | Configurable GPIO, Internal Oscillator, Timer/Counter |
| Number of Channels | 1, UART | 2, DUART | 1, UART |
| FIFO's | 16 Byte | 16 Byte | 16 Byte |
| Protocol | - | - | - |
| Data Rate (Max) | 1Mbps | 1Mbps | 1Mbps |
| Voltage - Supply | 3.3V, 5V | 3.3V, 5V | 3.3V, 5V |
| With Auto Flow Control | Yes | Yes | Yes |
| With IrDA Encoder/Decoder | - | - | - |
| With False Start Bit Detection | Yes | Yes | Yes |
| With Modem Control | Yes | Yes | Yes |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 44-QFP | 44-QFP | 44-QFP |
| Supplier Device Package | 44-PQFP (10x10) | 44-PQFP (10x10) | 44-PQFP (10x10) |
