Apparatus for serial port with pattern generation using state ma

Details Apparatus for serial port with pattern generation using state ma Apparatus for serial port with pattern generation using state ma

1995-08-01

1998-01-13

Lee, Thomas C.

395892, 395436, G06F 1300

Patent

active

057088527

ABSTRACT:
A serial port having a pattern generation mode and a microprocessor using same. The serial port uses a transmit circuit controlled by a state machine which determines whether start and stop bits are transmitted by a computer implemented method. In pattern generation mode, start and stop bits are not transmitted, and the serial port lends itself to transmitting pulse width modulation data. In one embodiment, the serial port is used in a microprocessor which includes a central processing unit (CPU) and a bus interface unit.

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