ST ST72F321BJ9T6

ST72F321BJ9T6 Description

The ST72F321BJ9T6 is an ARM Cortex-M4 RISC-based 32-bit Kinetis K2x Microcontroller with a USB controller that runs at a top speed of 100MHz. 16-bit SAR A/D converters, 12-bit D/A converters, 100 general-purpose I/O pins, 512 kB internal flash, 68 kB internal RAM, and 4 kB EEPROM are all included in the ST72F321BJ9T6. Six UART modules, three SPI modules, two I2C modules, and one I2S module are among the communication interfaces included in this ST72F321BJ9T6 microcontroller.

ST72F321BJ9T6 Features

• Memories 32K to 60K dual voltage High-Density Flash (HDFlash) or ROM with read-out protection capability. In-Application Programming and In-Circuit Programming for HDFlash devices 1K to 2K RAM HDFlash endurance: 100 cycles, data retention: 40 years at 85°C

• Clock, Reset And Supply Management Enhanced low voltage supervisor (LVD) for the main supply and auxiliary voltage detector (AVD) with interrupt capability Clock sources: crystal/ceramic resonator oscillators, internal RC oscillator, and bypass for external clock PLL for 2x frequency multiplication Four Power Saving Modes: Halt, Active-Halt, Wait and Slow

• Interrupt Management Nested interrupt controller 14 interrupt vectors plus TRAP and RESET Top Level Interrupt (TLI) pin on 64-pin devices 15/9 external interrupt lines (on 4 vectors)

• Up to 48 I/O Ports 48/32/24 multifunctional bidirectional I/O lines 34/22/17 alternate function lines 16/12/10 high sink outputs

• 5 Timers Main Clock Controller with Real-time base, Beep and Clock-out capabilities Configurable watchdog timer Two 16-bit timers with 2 input captures, 2 result compares, external clock input on one timer, PWM and pulse generator modes 8-bit PWM Auto-reload timer with 2 input captures, 4 PWM outputs, output compare and time base interrupt, external clock with an event detector

• 3 Communications Interfaces SPI synchronous serial interface SCI asynchronous serial interface I2C Multimaster interface

• 1 Analog peripheral (low current coupling) 10-bit ADC with up to 16 robust input ports

• Instruction Set 8-bit Data Manipulation 63 Basic Instructions 17 main Addressing Modes 8 x 8 Unsigned Multiply Instruction

• Development Tools Full hardware/software development package In-Circuit Testing capability

ST72F321BJ9T6 Applications

• Input-Output operations

• Control applications

• Analog data processing

• Sensors integration and data logging

• Small scale, low-cost embedded application-based production