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SHARP Z80 CPU on glass 
SHARP Z80 CPU on glass
CPU SHARP LH0080A
CPU SHARP LH0080A


The CPU Z80 was developed by ZILOG in 1976. SHARP bought a license in 1977 to build and manufacture its own CPU LH0080.

Photo of the glass substrate on which the CPU is formed
Photo of the glass substrate on which the CPU is formed


25 years later ( official unveiled in October 22, 2002 and in April 9, 2003 at the EDEX*1 / Tokyo ) SHARP and SEL has redeveloped on experimental base a Z80 on glass with the new LCD substrate technology called Continuous-Grain Silicon ( CG-Silicon ). The prototype contains only 13.000 transistors this time ( Pentium 4: 55 Millions ) and occupies an area of 169mm2. The further development by SHARP for CGS products will be finished until 2005/6.

*1 EDEX: Electronic Display Exhibition

EDEX 2003 / Tokyo


The technology enables the creation of System LCDs that integrate all driver and operation circuitry - including digital logic, LCD driver, power supply, I/O interfaces, and signal-processing circuitry - onto the glass itself. Eventually even the device's CPU will be included on the substrate.
Layout of the CPU Z80 that will be formed on glass ( 2002 )
Layout of the CPU Z80 that will be formed on glass ( 2002 )


Layout of the ZILOG Z80 CPU ( 1976 )
Layout of the ZILOG Z80 CPU ( 1976 )

Layout of the CPU Z80 that will be formed on glass ( 2002 ) Layout of the CPU Z80 that will be formed on glass ( 2002 )

The CG Silicon 8 bit CPU Z80 was installed in the MZ-80K ( Japanese Model name: MZ-80C ) and did its job perfectly.
The CGS CPU Z80 did its job in an MZ-80K perfectly MZ-80K with inbuild CGS CPU Z80

MZ-80K with inbuild CGS CPU Z80
The CGS CPU Z80

MZ-80K with inbuild CGS CPU Z80

 


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last updated July 20, 2003
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