ST72321M6 Datasheet | STMicroelectronics

Features - - - - - Memories - 32 Kbytes to 60 Kbytes dual voltage High Density Flash (HDFlash) with read-out protection capability. In-application programming and In-circuit programming. - 1 Kbyte to 2 Kbytes RAM - HDFlash endurance: 100 cycles at 85 °C; data retention: 40 years at 85 °C Clock, reset and supply management - 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 Interrupt management - Nested interrupt controller - 14 interrupt vectors plus TRAP and RESET - Top Level Interrupt (TLI) pin - 15 external interrupt lines (on 4 vectors) Up to 64 I/O ports - 64 multifunctional bidirectional I/O lines - 34 alternate function lines - 16 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 output pares, 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 pare and time base interrupt, external clock with Features LQFP80 14 x 14 - - - - event detector 4 munication interfaces - SPI synchronous serial interface - SCI asynchronous serial interface - I2C multimaster interface (SMbus V1.1 pliant) Analog periperal (low current coupling) - 10-bit ADC with 16 input 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 Table 1. Device summary ST72321M9 60 Kbytes 2048 bytes (256 bytes) 3.8 V to 5.5 V -40 °C to +85 °C LQFP80 14x14 32 Kbytes 1024 (256...