ST ST72F321BJ7T6TR

This product is a microcontroller integrating multiple functions, featuring storage, clock and power management, interrupt control, I/O ports, timers, communication interfaces, and analog peripherals, with support for multiple power-saving modes and development tools.

• 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℃
• Enhanced low voltage supervisor (LVD) for 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
• 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)
• 48/32/24 multifunctional bidirectional I/O lines
• 34/22/17 alternate function lines
• 16/12/10 high sink outputs
• Main Clock Controller with: Real time base, Beep and Clock-out capabilities
• Configurable watchdog timer
• Two 16-bit timers with: 2 input captures, 2 output 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 event detector
• SPI synchronous serial interface
• SCI asynchronous serial interface
• I2C multimaster interface
• 10-bit ADC with up to 16 robust input ports
• 8-bit Data Manipulation
• 63 Basic Instructions
• 17 main Addressing Modes
• 8×8 Unsigned Multiply Instruction
• Full hardware/software development package
• In-Circuit Testing capability