64/44-pin 8-bit MCU
ST72321BRx, ST72321BARx ST72321BJx, ST72321BKx
64/44-pin 8-bit MCU with 32 to 60K Flash/ROM, ADC, five timers, SPI, SCI,...
Description
ST72321BRx, ST72321BARx ST72321BJx, ST72321BKx
64/44-pin 8-bit MCU with 32 to 60K Flash/ROM, ADC, five timers, SPI, SCI, I2C interface
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 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 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
LQFP64 14 x 14
LQFP32 7x7
LQFP64 10 x 10
LQFP44 10 x 10
– 8-bit PWM Auto-reload timer with: 2 input captures, 4 PWM outputs, output compare a...
Similar Datasheet