TRICONEX 8444-1067 Infrared remote control technology

Description

TRICONEX 8444-1067 Infrared remote control technology

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This design adopts the 212 bit encoding chip HT12C and MCS produced by HOLTEK company?? TRICONEX 8444-1067 for the 51 series
Microcontroller.

TRICONEX 8444-1067
A scheme for implementing infrared remote control technology has been proposed, namely:

(1) The encoding circuit emits different codes based on the buttons, which are received by the infrared receiving circuit. After amplification, shaping, and inversion, they are sent to the external interrupt 0 (INT0) pin.

(2) Each input of a digit causes an interrupt, and the pulse width of that digit is measured in the interrupt processing program.

(3) Record the TH0 value representing the digit and store it in the digital temporary storage table.

(4) After storing a complete encoding, use a table lookup method to find the TH0 value representing 0.

(5) Use the position value of this digit as the feature value and find the corresponding processing function in the scatter processing program.

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