16C550

16C550

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Two 16C550 serial ports supporting RS-232/422/485 interface levels and clock options up to 20 Mbps.
This high-performance UART includes 9-bit framing support and is register compatible with legacy software applications designed for 16C550 UARTs.
Supporting full interrupt-sharing for all its serial ports, the board includes a four-channel 16C550 UART with two RS232 serial ports free for other devices.
The product features a four-channel 16C550 UART with two RS-232 serial ports free.
0 Host/On-The-Go/Device -- Up to 768 KB Flash -- 16 KB EEPROM - true byte erasable -- Up to 120 KB total SRAM including: -- Up to 56 KB SRAM and two 32 KB Tightly Coupled Memories -- Two 3V 10-bit ADCs with 8-channels each -- 5V 10-bit ADC with 8-channels -- Up to ten 32-bit timers, including the PWM timers -- General Purpose Direct Memory Access (GP DMA) -- 2 CAN channels for industrial Gateways -- 3 x Q-SPI -- 2 x I2C-bus interfaces -- 16C550 UARTs with RS485 and LIN support -- External Memory interface -- Embedded Trace Module (ETM) and 8 KB SRAM
Type 16C550 UARTS are used as the asynchronous communication elements.
The board provides a 128-byte FIFO, said to be 16 times larger than boards designed with 16C550 parts, to allow error-free operation even in high-speed applications.
Software compatible with standard 16C550 types, Oxford Semiconductor's ultra high performance UART provides peak asynchronous transfer rates up to 15Mbps, almost double that of the alternatives.
The board provides a 128-byte FIFO that is said to be 16 times larger than boards designed with 16C550 parts, allowing error free operation even in high-speed applications.
The combination of standard 16C550 Dual UART with an ISA bridge -- for additional UARTs, Parallel Printer ports and other connectivity -- makes the MCS9845 an ideal choice for applications which require Dual UART functionality and ISA scaling flexibility in a single chip solution.
The two serial ports are based on the 16C550 UART with a 16 byte FIFO, useful for high-speed communication and embedded Windows operating systems.