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Home > Embedded ICs > 8bit MCU > Z51F3221ARX
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Z51F3221ARX

Z51F3221ARX

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Z51F3221ARX Overview

The Z51F3221 MCU, a member ofnew Z8051 product family, is an advanced CMOS 8-bit microcontroller with 32KB of Flash memory. This powerful microcontroller provides a highly flexible and cost-effective solution to many embedded control applications, including digital clocks/watches, medical devices and power monitoring.With 256 bytes of IRAM, 1KB of XRAM, two clocks per machine cycle, general-purpose I/O, multiple timers (1x8-bit and 2x16-bit), plus PWM, watchdog and watch timers, UART, buzzer port, I2C, on-chip POR, 12-bit ADC and much more, the Z51F3221 MCU is your 32K Flash solution for multi-peripheral 8051 embedded application development.

Features

  • High-Performance 8-Bit CISC Core (2 clocks per machine cycle)
  • 32KB On-Chip Flash Memory
  • 256 Bytes IRAM
  • 1KB XRAM
  • Operating Frequency: 0-12 MHz
  • Operating Voltage: 1.8V-5.5V (@0-4.2 MHz); 2.7V-5.5V (@0-10 MHz); 3.0V-5.5V (@0-12 MHz)
  • Internal 8 MHz RC Oscillator with Programmable Clock Divider
  • Power-Saving Modes (Idle, Stop)
  • Configurable Timers: - 8- and 16-Bit Capture/Counter PWM Timers - 8-Bit Counter, Carrier Mode Timer - 16-Bit Internal Counter/Timer - Basic Interval Timer
  • Watchdog Timer
  • Watch Timer
  • Universal Asynchronous Receiver/Transmitter (UART/SPI)

Applications

Z8051

Specifications

  • Core Processor 8051

  • Speed 12MHz

  • Operating Temperature -40℃ ~ 85℃ (TA)

  • Program Memory Type FLASH

  • RAM Size 1.25K x 8

  • Number of I/O 54

  • Peripherals Brown-out Detect/Reset, LCD, LVD, POR, PWM, WDT

  • Mounting Type Surface Mount

  • Oscillator Type Internal

  • Package / Case 64-LQFP

  • Core Size 8-Bit

  • Connectivity SIO, UART/USART

  • Program Memory Size 32KB (32K x 8)

  • Data Converters A/D 5x12b

  • Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.5V

Circuit Diagram

Z51F3221

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