Features: • Pin-alike Exar's XR16L2750 and ST16C2550 48- TQFP package but with additional CLK8/16, CLKSEL and HDCNTL inputs• Two independent UART channels• Register set compatible to 16C550• Up to 6.25 Mbps at 5V, and 4 Mbps at 3.3V• Transmit and Receive FIFOs of 128 ...
XR16C2850: Features: • Pin-alike Exar's XR16L2750 and ST16C2550 48- TQFP package but with additional CLK8/16, CLKSEL and HDCNTL inputs• Two independent UART channels• Register set compatible ...
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• Pin-alike Exar's XR16L2750 and ST16C2550 48- TQFP package but with additional CLK8/16, CLKSEL and HDCNTL inputs
• Two independent UART channels
• Register set compatible to 16C550
• Up to 6.25 Mbps at 5V, and 4 Mbps at 3.3V
• Transmit and Receive FIFOs of 128 bytes
• Programmable TX and RX FIFO Trigger Levels
• Transmit and Receive FIFO Level Counters
• Automatic Hardware (RTS/CTS) Flow Control
• Selectable Auto RTS Flow Control Hysteresis
• Automatic Software (Xon/Xoff) Flow Control
• Automatic RS-485 Half-duplex Direction Control Output
• Wireless Infrared (IrDA 1.0) Encoder/Decoder
• Automatic sleep mode
• Full modem interface
• Device Identification and Revision
• Crystal oscillator or external clock input
• Industrial and commercial temperature ranges
• 48-TQFP and 44-PLCC packages
Specifications | |
CH | 2 |
CPUInterface | Intel |
Data Rate@5/3.3/2.5V | 6.2/4.0/na @8X |
Tx/RxFIFO(Bytes) | 128/128 |
Tx/RxFIFOCtrs | Yes |
Tx/RxFIFOINT Trig | Program/ Program |
AutoRTS/CTS | Yes |
IrDaSup | Yes |
5VTolInputs | Yes |
Sup V | 2.97-5.5 |
Pkgs | PLCC-44 TQFP-48 |
Specifications | |
CH | 2 |
CPUInterface | Intel |
Data Rate@5/3.3/2.5V | 6.2/4.0/na @8X |
Tx/RxFIFO(Bytes) | 128/128 |
Tx/RxFIFOCtrs | Yes |
Tx/RxFIFOINT Trig | Program/ Program |
AutoRTS/CTS | Yes |
IrDaSup | Yes |
5VTolInputs | Yes |
Sup V | 2.97-5.5 |
Pkgs | PLCC-44 TQFP-48 |
The XR16C2850 (2850) is an enhanced dual universal asynchronous receiver and transmitter (UART). Enhanced features include 128 bytes of TX and RX FIFOs, programmable TX and RX FIFO trigger level, FIFO level counters, automatic (RTS/CTS) hardware and (Xon/Xoff) software flow control, automatic RS-485 half duplex direction control output and data rates up to 6.25 Mbps at 5V and 8X sampling clock. Onboard status registers provide the user with operational status and data error flags. An internal loopback capability allows system diagnostics. The 2850 has a full modem interface and can operate at 2.97V to 5.5V and is pin-to-pin compatible to Exar's ST16C2550 and XR16L2750 except the 48-TQFP package. The 2850 register set is compatible to the industry standard ST16C2550 and is available in 48-pin TQFP and 44-pin PLCC packages.
For UART technical support or to obtain an IBIS model for this product, please email Exar's UART Technical Support group.