ST72321M9

ST72321M6 ST72321M9 80-pin 8-bit MCU with 32 to 60 Kbytes Flash, ADC, five timers, SPI, SCI, I2C interface 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 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 Features LQFP80 14 x 14 ■ ■ ■ ■ event detector 4 Communication interfa...