Описание
The ST72T141K devices are members of the ST7 microcontroller family designed specifically for motor control applications and including A/D conversion and SPI interface capabilities. They include an on-chip Moter Controller peripheral for control of electric brushless moters with or without sensors.
- Memories
- 8K Program memory (ROM/OTP)
- 256 Bytes RAM
- Clock, Reset and Supply Management
- Enhanced reset system
- Low voltage supply supervisor
- 3 Power saving modes
- 14 I/O Ports
- 14 multifunctional bidirectional I/O lines with: External interrupt capability (2 vectors), 13 al- ternate function lines, 3 high sink outputs
- Motor Control peripheral
- 6 PWM output channels
- Emergency pin to force outputs to HiZ state
- 3 analog inputs for rotor position detection with no need for additional sensors
- Comparator for current limitation
- 3 Timers
- Two 16-bit timers with: 2 input captures, 2 out- put compares, external clock input, PWM and Pulse generator modes
- Watchdog timer for system integrity
- Communications Interface
- SPI synchronous serial interface
- Analog Peripheral
- 8-bit ADC with 8 input pins
- Instruction Set
- 8-bit data manipulation
- 63 basic instructions
- 17 main addressing modes
- 8 x 8 unsigned multiply instruction
- True bit manipulation
- Development Tools
- Full hardware/software development package
