XR82C684CJTR/44-F View Datasheet(PDF) - Exar Corporation

Part Name

Description

MFG CO.

XR82C684CJTR/44-F

CMOS Quad Channel UART (QUART)

Exar Corporation 

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Remote Loopback Mode

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Note: The CPU has no access ot the Serial Data during Remote Loopback Mode.

Figure 46. A Block Diagram Depicting Remote Loopback Mode

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MR2n[5] - Transmitter Request-to-Send Control

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MR2n[4] - Clear to Send Control

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MR2n[3:0] - Stop Bit Length

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