ST7232A中文资料意法半导体数据手册PDF规格书

■ Memories

– 8K dual voltage High Density Flash (HDFlash) or ROM with read-out protection capability. In Application Programming and In-Circuit Programming for HDFlash devices

– 384 bytes RAM

– HDFlash endurance: 100 cycles, data retention: 40 years at 85°C

■ Clock, Reset And Supply Management

– Clock sources: crystal/ceramic resonator oscillators 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

– 6 external interrupt lines (on 4 vectors)

■ Up to 32 I/O Ports

– 32/24 multifunctional bidirectional I/O lines

– 22/17 alternate function lines

– 12/10 high sink outputs

■ 4Timers

– 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, PWM and pulse generator modes

■ 2 Communications Interfaces

– SPI synchronous serial interface

– SCI asynchronous serial interface

■ 1 Analog peripheral (low current coupling)

– 10-bit ADC with up to 12 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