LC4064ZE-7TCN100C

Series:	ispMACH® 4000ZE
Packaging:	Tray
Part Status:	Active
Programmable Type:	In System Programmable
Delay Time tpd(1) Max:	7.5ns
Voltage Supply - Internal:	1.7 V ~ 1.9 V
Number of Logic Elements/Blocks:	4
Number of Macrocells:	64
Number of I/O:	64
Operating Temperature:	0°C ~ 90°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	100-LQFP
Supplier Device Package:	100-TQFP (14x14)
Base Part Number:	LC4064

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Introduction to Embedded - CPLDs (Complex Programmable Logic Devices)

Embedded - CPLDs (Complex Programmable Logic Devices) include a range of logical building blocks used in embedded applications. These devices offer a compact solution to logic problems, such as controlling interfaces, communication protocols, or managing on-board functions.In this article, we will discuss the application field and working principle of the LC4064ZE-7TCN100C embedded – CPLD.

Application Field of the LC4064ZE-7TCN100C

The LC4064ZE-7TCN100C is an embedded - CPLD offering the best-in-class performance and flexibility for small-scale systems. It is best suited for embedded applications such as industrial control, communication, automotive, and medical systems that require increased processing power and fast start-up time.The device features XC9500 logic blocks with dedicated circuits for ASIC (application-specific integrated circuit) applications such as high-speed PROM programming, high-speed sequential testing, test access port controllers, plus various others. It also includes low-voltage differential signaling (LVDS) for higher speed communication.The LC4064ZE-7TCN100C also includes an integrated SPI (serial peripheral interface) master/slave protocol, enabling data transmission from one device to another.

Working Principle of the LC4064ZE-7TCN100C

The LC4064ZE-7TCN100C adopts a state machine-based design methodology. This design methodology involves transforming blocks of logic from a schematic diagram into a programming description of the desired behavior. The programming consists of a series of instructions executed by the device, using state machine logic to operate the logic functions. This design methodology allows the design of complex mixed-signal systems, with a reduced need of additional components. The basic procedure to program and configure the LC4064ZE-7TCN100C is to write a Verilog or VHDL software program, which is then loaded into the device by a third-party programmer, an In-System Programming (ISP) tool such as the Xilinx iMPACT or GNU tools that are compatible with the device architecture.The device includes a Test-Access-Port, which is used for the purposes of controlling the device from within a system, including procedures such as read/write, signal control, and playing-back of control data.

Conclusion

The LC4064ZE-7TCN100C, an embedded – CPLD, is best suited for embedded applications requiring increased processing power and fast start-up time. It features XC9500 logic blocks and supports SPI communication. Programming and configuring the device is done using a Verilog or VHDL software program, which is then loaded into the device by a third-party programmer. The device also includes a Test-Access-Port for controlling the device from within a system.

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