ST72521AR9数据手册ST中文资料规格书

特性 Features

• Analog periperal (low current coupling)10-bit ADC with 16 input robust input ports
• 4 Communications InterfacesSPI synchronous serial interfaceSCI asynchronous serial interfaceI2C multimaster interface (SMbus V1.1 compliant)CAN interface (2.0B Passive)
• Development ToolsFull hardware/software development packageIn-Circuit Testing capability
• Memories32K to 60K dual voltage High Density Flash (HDFlash) or ROM with read-out protection capability. In-Application Programming and In-Circuit Programming for HDFlash devices1K to 2K RAMHDFlash endurance: 100 cycles, data retention: 20 years at 55˚C
• Interrupt ManagementNested interrupt controller14 interrupt vectors plus TRAP and RESETTop Level Interrupt (TLI) pin15 external interrupt lines (on 4 vectors)
• Clock, Reset And Supply ManagementEnhanced low voltage supervisor (LVD) for main supply and auxiliary voltage detector (AVD) with interrupt capabilityClock sources: crystal/ceramic resonator oscillators, internal RC oscillator and bypass for external clockPLL for 2x frequency multiplicationFour power saving modes: Halt, Active-Halt, Wait and Slow
• 5 TimersMain Clock Controller with: Real time base, Beep and Clock-out capabilitiesConfigurable watchdog timerTwo 16-bit timers with: 2 input captures, 2 output compares, external clock input on one timer, PWM and pulse generator modes8-bit PWM Auto-Reload timer with: 2 input captures, 4 PWM outputs, output compare and time base interrupt, external clock with event detector
• Instruction Set8-bit Data Manipulation63 Basic Instructions17 main Addressing Modes8 x 8 Unsigned Multiply Instruction
• Up to 64 I/O Ports48 multifunctional bidirectional I/O lines34 alternate function lines16 high sink outputs