(Hong Kong)
Product Summary
The Philips Semiconductors SCN68681E1N40 Dual Universal Asynchronous Receiver/Transmitter (DUART) is a single-chip MOS-LSI communications device that provides two independent full-duplex asynchronous receiver/transmitter channels in a single package. The SCN68681E1N40 is compatible with other S68000 family devices, and can also interface easily with other microprocessors. The DUART can be used in polled or interrupt driven systems.
Parametrics
SCN68681E1N40 absolute maximum ratings: (1)Storage temperature range: -65 to +150 ℃; (2)All voltages with respect to ground3: -0.5 to +6.0 V.
Features
SCN68681E1N40 features: (1)S68000 bus compatible; (2)Dual full-duplex asynchronous receiver/transmitter; (3)Quadruple buffered receiver data registers; (4)Programmable data format: 5 to 8 data bits plus parity, Odd, even, no parity or force parity, 1, 1.5 or 2 stop bits programmable in 1/16-bit increments; (5)Programmable baud rate for each receiver and transmitter; (6)selectable from: 22 fixed rates: 50 to 115.2k baud, Non-standard rates to 115.2kb, Non-standard user-defined rate derived from programmable counter/timer, External 1X or 16X clock; (7)16-bit programmable Counter/Timer; (8)Parity, framing, and overrun error detection; (9)False start bit detection; (10)Line break detection and generation.
Diagrams
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