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  • Assistive Technology for the Hearing-impaired, Deaf and Deafblind
    The STD- bus enclosure, Z80 microprocessor card and Epson HX-20 computer were still used, but the pulse-width-modulated waveforms to control the DC servomotors were now produced by two commercial counter timer cards. … a memory array of stored control values and program the pulse-width-modulation chips to operate the …
  • http://www.mouser.com/catalog/supplier/library/ZiLOGeZ80F92F93Ethernet.pdf
    … and 1x I2C, each with independent baud rate gen- erators • IrDA compatible Infrared Encoder/Decoder • New DMA-like eZ80® instructions • Glueless external memory interface with 4 Chip Selects, independent WAIT state … … WAIT input pin; supports Z80 ™, Intel™, and Motorola™ … … and external maskable interrupts as well as a nonmaskable interrupt input • Real-time clock with on-chip 32KHz oscillator, selectable 50/60 Hz input, and separate VDD pin for battery backup • Six 16-bit Counter / Timers with prescalers and direct …
  • http://www.mouser.com/catalog/supplier/library/ZiLOGeZ80F92F93FlashMod.pdf
    … and 1x I2C, each with independent baud rate gen- erators • IrDA compatible Infrared Encoder/Decoder • New DMA-like eZ80® instructions • Glueless external memory interface with 4 Chip Selects, independent WAIT state … … WAIT input pin; supports Z80 ™, Intel™, and Motorola™ … … and external maskable interrupts as well as a nonmaskable interrupt input • Real-time clock with on-chip 32KHz oscillator, selectable 50/60 Hz input, and separate VDD pin for battery backup • Six 16-bit Counter / Timers with prescalers and direct …
  • Helicopter airborne laser positioning system
    The YO-3A computer system is based on the Z80 microprocessor and is shown in Fig. 5. The CPU contains a Z8OA microprocessor and a Z8OA-CTC counter timer chip that operates at 4 MHz.
  • A Utility Interactive PWM Sine-Wave Inverter Configured as a High Efficiency UPS
    … angle computation and real-time voltage feedback, all control is accomplished through a Z80 microprocessor and its … Counter - timer chips (CTC's) are used to generate synchronous carrier and fundamental sine-wave reference frequencies.
  • Superintegrated smart access controller
    Z80 /2180 with 28530/285C30 SCC applications. The SAC combines Zilog's 280180 MPU, with a single channel serial communication controller (SCC), 4 channels of counter timer and two 8-bit general purpose parallel 1/0 ports and includes features like low EM1 and programmable interrupt priority daisy chain. The chip is implemented using Zilog's megacell based Superintegration .
  • A front—End data acquisition system for Mössbauer spectroscopy
    (c) The counter and triangular wave generator unit The counter (or scaler) circuit consists of a programmable IC chip Z80 CTC/2/. The first channel is initi- ated as a time interval timer .
  • A Multichannel Counter/Timer Interface for the Acquisition of Neuronal Spike Trains
    It was decided to dedicate a separate counter / timer cir- cuit to each input channel and, as the interface was to be used with a Zilog Z80 -based CPU board, we also elected to implement prior- itized vectored interrupt logic in … … organization of the interface, which is designed around two LSI microprocessor system support chips , the Intel types …
  • C80186EC IP Core Added to the Evatronix 80186 Replacements Family
    The C80186EC implements a DRAM refresh unit, three timers / counters , two UARTs, four DMA engines, three 8-bit I/Os, two 8259-compatible components and a watchdog. It also enables the developed IP to be thoroughly checked against full original chip functionality covering all … … cores equivalent to obsolete chips that cover the following processors: 8-bit Zilog® Z80 , 16-bit Motorola® …
  • Getting level with PFGAs
    The processor cores that were available with Altium Designer at the time I first began working on this project were a processor with a similar architecture to the Micro chip PIC16, an 8051-like processor and a Z80 -like processor. I looked through the data sheets for the details of the timer - counter unit on the TSK51.