Timing generating circuit, display apparatus, and portable...

Details Timing generating circuit, display apparatus, and portable... Timing generating circuit, display apparatus, and portable...

2011-04-26

2011-04-26

Shalwala, Bipin (Department: 2629)

Computer graphics processing and selective visual display system

Display driving control circuitry

C345S213000, C345S100000, C345S099000

Reexamination Certificate

active

07932901

ABSTRACT:
A timing generating circuit with low power consumption and a small layout area, a display apparatus including the timing generating circuit as one peripheral driving circuit, and a portable terminal including the display apparatus as a display output section are provided. In the timing generating circuit, which is formed on an insulating substrate and generates output pulses SRFF1out to SRFFnout having different frequencies based on a master clock MCK, a clock generating circuit (11) generates an operating clock having a lower frequency than the master clock MCK frequency. Then, a counter section (12) operates based on this operating clock and successively outputs shifted pulses S/R1out to S/Rmount from shift registers (121-1) to (121-m). An output pulse generating section (13) generates output pulses SF1out to SFnout based on combinations of the shifted pulses S/R1out to S/Rmount.

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