BD66RM3341C
BD66RM3341C is 1-Phase BLDC Motor OTP MCU manufactured by Holtek Semiconductor.
Features
CPU Features
- Operating voltage
- f SYS=32k Hz~20MHz: 4.5V~5.5V
- VM=VCC=6V~15V
- Up to 0.2μs instruction cycle with 20MHz system clock at VDD=5V
- Power down and wake-up functions to reduce power consumption
- Oscillator types
- Internal High Speed 16/20MHz RC
- HIRC
- Internal Low Speed 32k Hz RC
- LIRC
- Internal oscillators require no external ponents
- Multi-mode operation: FAST, SLOW, 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
- OTP Program Memory: 4K×16
- RAM Data Memory: 384×8
- OTP ROM parameter program
- ORPP
- Watchdog Timer function
- 6 bidirectional I/O lines
- Single pin-shared external interrupt input
- H1
- Multiple Timer Modules for time measurement and input capture functions
- Single 16-bit Capture Timer Module for motor protection
- Single 10-bit PWM generator provides 3 groups of PWM outputs, supporting edge/center-aligned mode
- BLDC motor control
- Hall noise filter for position detection
- Motor control circuit
- Motor protection circuit
- Up to two parators
- Over current detection which contains an operational amplifier, a parator 0 and an 8-bit D/A converter
- 4 external channel 12-bit resolution A/D converter
- Single Fully-duplex or Half-duplex Universal Asynchronous Receiver and Transmitter Interface
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