Z8F4821AN020EC

Microcontrollers Overview

The Z8F4821AN020EC is an 8-bit microcontroller from the Zilog Z8 Encore! XP series, utilizing the eZ8 core architecture. It features 48 kB of Flash program memory and 4 kB of SRAM data memory. The device operates with a maximum clock frequency of 20 MHz and supports a supply voltage range of 3 V to 3.6 V. It includes an 8-channel, 10-bit ADC and provides 31 general-purpose I/O lines. Connectivity options include I2C, SPI, and dual UART interfaces. The component is housed in a 44-pin LQFP package and is rated for an industrial operating temperature range of -40°C to +105°C.

Microcontrollers Feature Summary

• Integrates an 8-bit eZ8 processor core with high-performance instruction execution capabilities.
• Provides non-volatile Flash memory for persistent code storage and volatile SRAM for dynamic data handling.
• Supports multiple serial communication protocols including I2C, SPI, and two independent UART modules.
• Includes an analog-to-digital converter with eight selectable input channels for sensor interfacing.

Microcontrollers Applications

• Industrial control systems requiring robust serial communication
• Embedded devices needing analog signal acquisition via ADC
• Consumer electronics utilizing low-voltage power supplies
• Automotive instrumentation within specified temperature ranges

Microcontrollers Procurement Notes

Verify the specific suffix 'EC' against official manufacturer documentation to confirm the extended industrial temperature rating and RoHS compliance status. Ensure that the 44-LQFP footprint matches the target PCB design constraints. Confirm availability through authorized distributors as lead times may vary based on production cycles. Cross-reference the datasheet revision date to ensure compatibility with current design specifications.

Microcontrollers Selection Notes

Select this component when an 8-bit MCU with substantial Flash capacity and multiple serial interfaces is required. The eZ8 core offers enhanced performance over standard Z8 architectures. Consider the 44-pin LQFP package for surface-mount assembly requirements. Evaluate the 3V to 3.6V operating range against system power rails. Verify that the 20 MHz clock speed meets real-time processing demands.

Microcontrollers Part Context

This part belongs to the Z8F482x family of 8-bit microcontrollers designed for cost-sensitive applications. It shares architectural similarities with other members like the Z8F4821AN020EG but differs in packaging or environmental ratings. The Z8 Encore! XP platform emphasizes ease of development and integration of peripheral functions into a compact form factor suitable for space-constrained designs.

Microcontrollers Replacement Considerations

The Z8F4821AN020EG is a documented variant within the same family, offering identical functional specifications but potentially differing in package type or environmental grade. Verify pinout compatibility and thermal characteristics before substitution. Other family members such as the Z8F3221AN020EG offer reduced memory sizes and may require software adaptation.