ST ST72F321BJ9T6

ST78MHz60KB（60K x 8）

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

Applications

• Input-Output operations

• Control applications

• Analog data processing

• Sensors integration and data logging

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