ST72321BJ9
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...
