Z84C3008PEC1983

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The Zilog Z84C3008PEC is a powerful programmable communication controller used for communication between computer systems in a wide variety of applications. This device is part of the Zilog family of microcontrollers, which has been used in embedded systems since the 1980s. The Z84C3008PEC chip is a one-time programmable (OTP) CMOS microcontroller, integrating an 8-bit Zilog Z80 microprocessor with support for up to 8KB of on-chip Flash memory, 8KB of RAM, and 8KB of EEPROM. It also includes an array of total of 24 I/O lines, 8 parallel ports that support three 8-bit bidirectional I/O registers, and a UART (universal asynchronous receiver-transmitter). The Z84C3008PEC is also designed to accommodate links to external devices, as well as links to Zilog\'s Z80 microcontroller.

The Z84C3008PEC is a versatile programmable chip that can be used in a variety of applications related to communication, timing, and sequencing, such as in the fields of industrial automation, telecommunication, robotics, remote monitoring and control, automotive systems, medical instrumentation, and others. As such, the Z84C3008PEC is classified under the Clock/Timing - Programmable Timers and Oscillators category.

The working principle of the Z84C3008PEC is based on the same architecture as the available Zilog microcontrollers. In this design, the main processor (the Z80 CPU) is surrounded by support circuitry that includes timers, interfacing logic, and address decoders. The Z84C3008PEC also assigns specific pins to particular functions, such as it assigns one pin to the reset signal, two pins as interrupt sources, two pins as I/O ports, and one pin as a clock input. The Z84C3008PEC also utilizes special commands and instruction sets to provide efficient access to its control registers.

The Z84C3008PEC can be programmed to perform either basic or advanced tasks. In order to perform basic tasks, the programmer can create simple instructions using the native instruction set of the Z80 processor. For more complex tasks, the programmer can also utilize Zilog\'s ZUCE (Zilog Universal Computer Engine) language, which is a sub-language of the C language that has been designed specifically for Zilog microcontrollers. The ZUCE language enables the user to create complex programs that interact with the on-chip peripherals.

In addition to the native instruction set and the ZUCE language, the Z84C3008PEC also supports the FLOPPY disk-based mass-storage system. This system enables the user to store up to 32K of program code, along with data files. These files can then be loaded into the Z84C3008PEC\'s on-chip memory and the user can adjust the programmable timers, oscillators, and other configuration options.

The Z84C3008PEC is a versatile, powerful chip that can be used to address a wide variety of applications related to communication, timing, and sequencing. It is constructed using the same architecture as Zilog\'s Z80 processor and includes support for up to 8KB of Flash memory, 8KB of RAM, and 8KB of EEPROM. It also includes an array of 24 I/O lines, 8 parallel ports, a UART, and features such as support for FLOPPY disk-based mass storage and a native instruction set. Therefore, the Z84C3008PEC is classified under the Clock/Timing - Programmable Timers and Oscillators category.

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