xr68c681 Exar Corporation, xr68c681 Datasheet - Page 6
xr68c681
Manufacturer Part Number
xr68c681
Description
Cmos Dual Channel Uart Duart
Manufacturer
Exar Corporation
Datasheet
1.XR68C681.pdf
(75 pages)
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XR68C681
PIN DESCRIPTION (CONT’D)
Pin Number
Pin Number
Symbol
Type
Description
(44 pin PLCC)
(40 pin DIP)
Transmitter Serial Data Output.
No Connect.
Receiver Serial Data Input.
Crystal Output or External Clock Input.
Crystal Input.
Master Reset.
Chip Select.
Input 2.
Interrupt Acknowledge.
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