ST72321AR9数据手册ST中文资料规格书

特性 Features

• 1 Analog peripheral10-bit ADC with up to 16 input ports
• 3 Communications InterfacesSPI synchronous serial interfaceSCI asynchronous serial interfaceI2C multimaster interface
• 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 oC
• Interrupt ManagementNested interrupt controller14 interrupt vectors plus TRAP and RESETTop Level Interrupt (TLI) pin on 64-pin devices15 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, clock security system 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 48 I/O Ports48/32 multifunctional bidirectional I/O lines34/22 alternate function lines16/12 high sink outputs