The

Zilog Zilog, Inc. is an American manufacturer of microprocessors, microcontrollers, and application-specific embedded System on a chip, system-on-chip (SoC) products. The company was founded in 1974 by Federico Faggin and Ralph Ungermann, who were soo ...

Z80182 is an enhanced, faster version of the older

Z80 The Zilog Z80 is an 8-bit microprocessor designed by Zilog that played an important role in the evolution of early personal computing. Launched in 1976, it was designed to be software-compatible with the Intel 8080, offering a compelling altern ...

and is part of the

Z180 The Zilog Z180 is an 8-bit microprocessor designed by Zilog as a successor to the Z80. It is compatible with the large base of software written for the Z80. The Z180 family adds higher performance and integrated peripheral functions like clock ...

microprocessor A microprocessor is a computer processor (computing), processor for which the data processing logic and control is included on a single integrated circuit (IC), or a small number of ICs. The microprocessor contains the arithmetic, logic, a ...

family. It's nicknamed the ''Zilog Intelligent Peripheral Controller'' (ZIP). It has the following features: * Two ESCC (enhanced serial channel controller) channels with 32-bit CRC * Two

UART A universal asynchronous receiver-transmitter (UART ) is a peripheral device for asynchronous serial communication in which the data format and transmission speeds are configurable. It sends data bits one by one, from the least significant to ...

(serial controller interface) channels * Internal configurable

address decoder In digital electronics, an address decoder is a binary decoder that has two or more inputs for address bits and one or more outputs for device selection signals. When the address for a particular device appears on the address inputs, the decoder a ...

* Three PIA (Programmable I/O adapter) ports * Two 16-bit

timer A timer or countdown timer is a type of clock that starts from a specified time duration and stops upon reaching 00:00. It can also usually be stopped manually before the whole duration has elapsed. An example of a simple timer is an hourglass ...

s * One CSIO (Clocked Serial Input/output) channel * One MMU (Memory management Unit) that expands the addressing range to 20 bits * Wait state generator * Two

DMA DMA may refer to: Arts * ''DMA'' (magazine), a defunct dance music magazine * Dallas Museum of Art, in Texas, US * BT Digital Music Awards, an annual event in the UK * Danish Music Awards * Detroit Music Awards * Doctor of musical arts, a degree ...

channels * Interrupt controller * Extended instructions *

16550 The 16550 UART (universal asynchronous receiver-transmitter) is an integrated circuit designed for implementing the interface for serial communications. The corrected -A version was released in 1987 by National Semiconductor. It is frequently u ...

MIMIC interface * Crystal oscillator It's also fully static (the clock can be halted and no data in the registers will be lost) and has a low

EMI EMI Group Limited (formerly EMI Group plc until 2007; originally an initialism for Electric and Musical Industries, also referred to as EMI Records or simply EMI) was a British transnational conglomerate founded in March 1931 in London. At t ...

option that reduces the

slew rate In electronics and electromagnetics, slew rate is defined as the change of voltage or current, or any other electrical or electromagnetic quantity, per unit of time. Expressed in SI units, the unit of measurement is given as the change per seco ...

of the outputs. The Z80182 can operate at 33 MHz with an external oscillator for 5 volt operation or 20 MHz using the internal oscillator for 3.3 volt operation.

Notes

References

* * * {{microcompu-stub Zilog microprocessors