KM1M4BF65G
The KM1M4BF series is a 32-bit microcontroller with built-in Flash memory and suitable for various home appliances
such as air conditioner outdoor units, washing machines, and refrigerators that require high-speed peripheral processing technology in inverter Motor Controlling.
The KM1M4BF series is based on Arm's Cortex-M4F and provides the following advanced features and applications.
•Built-in memory for instructions and data
•DMA controller
•Clock generator
•Bus controller
•Interrupt controller
•Peripheral circuits Timers/serial interfaces
•PWM control circuit specialized for inverter motor control
•High-precision and high-speed analog circuits
The KM1M4BF series provides a system safety design and various safety mechanisms,
including memory protection, clock monitoring, power supply voltage detection, watchdog timer, etc.
Lineup
Block Diagram
Features
|
System |
Peripherals |
|
|
•Arm® Cortex®-M4F core |
•8 sets of motor & power control PWM | |
|
•Runs up to 120 MHz |
- Complementary PWM output | |
|
•Up to 264 KB Flash Memory for instruction |
- Dead time insert, Output shift | |
|
•Up to 32 KB Flash Memory for data |
- Duty cut, period cut | |
|
•Up to 16 KB SRAM |
- Synchronous ADC trigger | |
|
•Operating voltage: 2.9V ~ 5.5V |
•14 sets of 16-bit timer |
|
|
•Operating temperature: Tc= -40°C ~ +110°C |
•Up to 7 sets of UART |
|
|
•8-channel PDMA |
•Up to 7 sets of I2C |
|
|
•ESD HBM 2kV |
•Up to 7 sets of SPI | |
|
|
•Up to 85 GPIO (LQFP100) |
|
|
Analog |
Security |
|
|
•3 sets of 12-bit 2 Msps ADC, up to 23-channel |
•Memory ECC | |
|
•6 sets of 8-bit DAC |
•Memory protection | |
|
•1 set of 10-bit DAC |
•Clock monitoring |
|
|
•2 sets of differential variable gain amplifier (VGA) |
•ADC error detection |
|
|
•4 sets of comparator |
•Power supply voltage detection |
Reference Board
|
Solution |
Target |
Input Power |
Structure |
Deliverables |
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Low voltage motor EVA board MCU:KM103HFD KM1M7AF/M4BF |
|
Air purifiers Power tools conveyor |
134W |
BLDC motor x 1 |
Hard Ref Soft IP |
|
High Voltage Motor EVA board MCU:KM103HFD KM1M7AF/M4BF |
|
Air conditioner (Compressor and Fan) Washing machine Refrigerator |
2kW |
BLDC motor x 2 Single phase PFC |
Hard Ref Soft IP |
|
3-phase interleaved PFC EVA board MCU:KM1M7BF |
 |
Air conditioner Heat Pump |
3.5kW |
BLDC motor x 2 3phase PFC |
Hard Ref Soft IP |
粤公网安备 44030502010001号