ST ST72F321J9T6

ST78MHz60KB（60K x 8）

Features

■ Memories

– 32K to 60K dual voltage High Density Flash (HDFlash) or ROM with read-out protection

capability. In-Application Programming and In-Circuit Programming for HDFlash devices

– 1K to 2K RAM

– HDFlash endurance: 100 cycles, data reten- tion: 40 years at 85°C

■ Clock, Reset And Supply Management

– Enhanced low voltage supervisor (LVD) for main supply and auxiliar voltage detector

(AVD) with interrupt capability

– Clock sources: crystal/ceramic resonator os- cillators, 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 on 64-pin devices

– 15/9 external interrupt lines (on 4 vectors)

■ Up to 48 I/O Ports

– 48/32/24 multifunctional bidirectional I/O lines

– 34/22/17 alternate function lines

– 16/12/10 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 out- put compares, external clock input on one timer, PWM and pulse generator modes

Applications

Typical applications are consumer, home, office and industrial products.