ST72321BXXX-AUTO
Features
Memories
- 32 to 60 Kbyte dual voltage High Density Flash (HDFlash) ROM with readout protection capability. In-application programming and incircuit programming for HDFlash devices
- 1 to 2 Kbyte RAM
- HDFlash endurance: 100 cycles, data retention 20 years
LQFP64 10 x 10
LQFP64 14 x 14
LQFP44 10 x 10
Up to 48 I/O ports
- Clock, reset and supply management
- 48/32/24 multifunctional bidirectional I/O lines
- 34/22/17 alternate function lines
- 16/12/10 high sink outputs
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
- 4 power saving modes: Halt, Active Halt, Wait and Slow
5 timers
- 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...