Zilogs Z8051 Family of MCUS PB024002-0312 Z51F3221 Product Brief Z8051 FAMILY ADVANTAGES Zilogs Z51F3221 MCU High-Performance, Low-Cost An Industry-Standard 8-Bit Embedded Control Solution Architecture Overview Industry-Standard 8051-Compatible Core The Z51F3221 MCU, a member of Zilogs new Z8051 product family, is an advanced CMOS 8-bit microcontroller Industry-Wide Popularity with 32KB of Flash memory. This powerful microcontroller provides a highly flexible and cost-effective solution to Numerous Third-Party Tools Available many embedded control applications, including digital clocks/watches, medical devices and power monitoring. Zilogs Continuing Commitment to With 256 bytes of IRAM, 1KB of XRAM, two clocks per machine cycle, general-purpose I/O, multiple timers (1x8- Supporting Our Customers bit and 2x16-bit), plus PWM, watchdog and watch timers, UART, buzzer port, on-chip POR, 12-bit ADC and much more, the Z51F3221 MCU is your 32K Flash solution for multi-peripheral 8051 embedded application development. Z51F3221 MCU Block Diagram Zilogs Z8051 Family of MCUs EMBEDDED CONTROL SOLUTIONS 2 Z51F3221 MCU Feature Set KEY FEATURES High-Performance 8-bit CISC Core High-Performance 8-Bit CISC Core (2 clocks per machine cycle) 12-Bit, 8-Channel ADC 32KB On-Chip Flash Memory Timers with 8- and 16-bit Capture, Counter, Compare and PWM Modes 256 Bytes IRAM Internal RC Oscillator for Lower 1KB XRAM Component Count Operating Frequency: 012 MHz Code Encryption Option Operating Voltage: 1.8V5.5V ( 04.2 MHz) 2.7V5.5V ( 010 MHz) 3.0V5.5V ( 012 MHz) Internal 8 MHz RC Oscillator with Programmable Clock Divider Power-Saving Modes (Idle, Stop) Configurable Timers o 8- and 16-Bit Capture/Counter PWM Timers o 8-Bit Counter, Carrier Mode Timer o 16-Bit Internal Counter/Timer o Basic Interval Timer Watchdog Timer Watch Timer Universal Asynchronous Receiver/Transmitter (UART/SPI) Buzzer Driver Port 70 GPIO pins, configurable as push-pull, pull-up or open-drain o 24 general-purpose pins o 46 shared LCD pins 12-Bit ADC with 8 Input Channels Multiple Interrupts from Multiple Sources via Priority Setting Programmable Brown-Out Detector Operating Temperature: 40C to 85C Packages: 80-Pin LQFP, 64-pin LQFP Lead-Free Manufacture Zilogs Z8051 Family of MCUs: flexible, industry-standard MCU solutions backed by Zilogs long-term commitment to supporting our customers.