HT66FM5440
HT66FM5440 is Brushless DC Motor A/D Flash MCU manufactured by Holtek Semiconductor.
Features
CPU Features
- Operating voltage
- f SYS=16MHz: 4.5V~5.5V
- 0.0625μs instruction cycle with 16MHz system clock at VDD=5V
- Power down and wake-up functions to reduce power consumption
- Oscillator types
- Internal High Speed 16MHz RC
- HIRC
- Internal Low Speed 32k Hz RC
- LIRC
- Multi-mode operation: NORMAL, IDLE and SLEEP
- All instructions executed in 1~3 instruction cycles
- Table read instructions
- 115 powerful instructions
- 8-level subroutine nesting
- Bit manipulation instruction
Peripheral Features
- Flash Program Memory: 4K×16
- RAM Data Memory: 384×8
- Watchdog Timer function
- 26 bidirectional I/O lines
- Interrupt priority programmable with two interrupt preempt funcions
- Five pin-shared external interrupts
- H1, H2, H3, NFIN and INT1
- Multiple Timer Modules for time measurement, input capture, pare match output or PWM output or single pulse output function
- Single 16-bit CAPTM for motor protection
- 3-channel 10-bit PWM with plementary outputs for BLDC application
- 6 external channels 10/12-bit resolution A/D converter
- Normal A/D conversion
- Delay auto-triggered A/D conversion, up to 4 channels available for each conversion
- I2C Interface
- Single Fully-duplex Universal Asynchronous Receiver and Transmitter Interface
- UART
- Four parator functions
- Over current detection
- Operational Amplifier 0, parator 0 and 8-bit D/A converter
- Phase current detection
- Operational Amplifier 1 and 2
- Single Time-Base function for generation of fixed time interrupt...
