Title: CPU interface conversion apparatus and tax-controlled cashier using PS2 interface
Application Number: 200510102783 Application Date: 2005.09.19
Publication Number: 1936874 Publication Date: 2007.03.28
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: G06F13/40;G06F3/00;G07G1/12
Applicant(s) Name: Xinyue Meters Factory, Shanghai Address:
Inventor(s) Name:
Attorney & Agent:
Abstract:
    This invention discloses a CPU port conversion device and a gathering machine with PS2 port. It consists of an assistant chip which connects with PS2 device via a port to realize conversion between PS2 protocal and SPI protocol; the chip again connects with SPI port of gathering machine CPU via SPI main line. This invention makes CPU programming more convenient and enhances stability and efficiency of the operation system.
Time: 6
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