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ASIC (Application Specific Integrated Circuit) Examples
Standard Cell ASIC, Microprocessor with LCD Controller
(1 of 2 Design Engineers)
(Employed by ASIC Customer)
- 80C51 Core Microprocessor
- 16K x 8 Masked ROM
- capable of running from external EPROM
- 41 Bit Real Time Counter
- capable of running up to 2.13 years
- separate 32.768 KHZ crystal input
- resolution of 0.016 seconds
- fully address mapped
- Quadriplexed LCD (Controller/Driver)
- 23 Segment and 4 Backplane Drivers
- fully address mapped
- 23 x 4 RAM
- 17 Bit Watchdog Timer
- fully resets microprocessor
- I/O
- 16 Address Pins
- 8 Bi-directional Data Pins
- 14 Bi-directional I/O Pins
- Programmable Frequency Output Pin
- 30.5 micro-seconds to 2.13 years
- Power Down Mode (Low Power)
- Production: approximately 50K per year
Full Custom ASIC, Pulse Width Modulator (PWM)
(Only Design Engineer on this project)
(Employed by ASIC Vendor)
- 6 Bit Successive Approximation A/D
- auto-balanced comparator
- charged coupled serial D/A
- independent +ref and -ref inputs
- 64 x 10 Bit ROM
- separate disable circuit
- pass-transistor ROM decode circuit
- Mask Programmable Hysteresis
- 20 Bit Recursive Filter
- 20 Bit Johnson Ring Counter Timing Circuit
- Production: approximately 500K per year
Links
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This page was last updated on Monday, February 15, 2021.