2-channel dual UARTs (DUARTs)

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	SC16C2550		See SC16C2550B replacement
	SC16C2550B		2.5/3.3/5V dual UART (DUART) with 16-byte FIFOs; up to 5Mbps
	SC16C2552		See SC16C2552B replacement
	SC16C2552B		2.5/3.3/5V dual UART (DUART) with 16-byte FIFOs, up to 5Mbps
	SC16C652		See SC16C652B replacement
	SC16C652B		2.5/3.3/5V dual UART (DUART) with 32-byte FIFOs and infrared (IrDA) encoder/decoder; up to 5Mbps
	SC16C752		See SC16C752B replacement
	SC16C752B		2.5/3.3/5V dual UART (DUART) with 64-byte FIFOs; up to 5Mbps
	SC16C852L		1.8V dual UART with 128-byte FIFOs, infrared (IrDA), 16/68-mode parallel bus interface; up to 5Mbps
	SC16C852V		1.8V dual UART with 128-byte FIFOs, infrared (IrDA), XScale VLIO bus interface; up to 5Mbps
	SC16C852SV		1.8V dual UART with 128-byte FIFOs, infrared (IrDA), XScale VLIO bus interface; up to 20Mbps
	SC68C2550B		5V, 3.3V, and 2.5V dual UART, 5Mbit/s (max.) with 16-byte FIFOs and Motorola interface
	SC68C652B		5V, 3.3V, and 2.5V dual UART; 5Mbit/s (max.) with 32-byte FIFOs and infrared (IrDA) encoder/decoder; Motorola interface
	SC68C752B		5V, 3.3V, and 2.5V dual UART; 5Mbit/s (max.) with 64-byte FIFOs; Motorola interface
	SCC2681		5V dual channel UART (DUART) with 4-byte FIFOs; Intel interface; CMOS
	SCC2681T		5V dual channel UART (DUART) with 4-byte FIFOs; Intel interface; CMOS; Up to 500Kbps
	SCN2681T		See SCC2681T replacement
	SCC2692		5V dual channel UART (DUART) with 4-byte FIFOs; Intel interface; CMOS
	SC26C92		5V dual channel UART (DUART) with 8-byte FIFOs; Intel interface; CMOS
	SC28L92		3.3/5V dual channel UART (DUART) with 16-byte FIFOs; Intel or Motorola interface; CMOS; IMPACT series
	SC28L202		3.3/5V dual channel UART (DUART) with 256-byte FIFOs; Intel or Motorola interface; CMOS; IMPACT series
	SCC68681		5V dual channel UART (DUART) with 4-byte FIFOs; Motorola interface; CMOS
	SCN68681		See SCC68681 replacement
	SCC68692		5V dual channel UART (DUART) with 4-byte FIFOs; Motorola interface; CMOS

• UARTs