Analog signal interface for digital control

Details Analog signal interface for digital control Analog signal interface for digital control

2005-08-23

2005-08-23

Gaffin, Jeffrey (Department: 2182)

Electrical computers and digital data processing systems: input/

Input/output data processing

Peripheral adapting

C341S155000

Reexamination Certificate

active

06934779

ABSTRACT:
An integrated circuit is configured to receive encoded digital data from a system controller over a single signal line. The system controller encodes the digital data into a singular analog quantity such as a voltage, a current, a sine wave frequency, a sine wave amplitude, a pulse train frequency, or a pulse train duty cycle. The encoded digital data is transmitted to the signal line. The integrated circuit decodes the digital data from the signal line. The decoded digital data is employed by the integrated circuit to adjust one or more parameters of the integrated circuit. In one example, one or more parameters may be adjusted to select various operating modes for the integrated circuit. The singular analog quantity encoding/decoding methodology may be extended to more than one signal line when desirable.

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