ST72321M9
Features
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- 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,...
