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a6850
®
Asynchronous Communications Interface Adapter
Data Sheet
September 1996, ver. 1
Features
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a6850 MegaCore function implementing an asychronous communications interface adapter (ACIA) Optimized for FLEX® and MAX® architectures Programmable word lengths, stop bits, and parity Offers divide-by-1, -16, or -64 mode Includes error detection Uses approximately 237 FLEX logic elements (LEs) Functionally based on the Motorola MC6850 device, except as noted in the “Variations & Clarifications” section on page 94
General Description
The a6850 MegaCore function implements an ACIA, which is a universal asynchronous receiver/transmitter (UART). The a6850 provides an interface between a microprocessor and a serial communications channel.