WT51FM16
/ WT51FM24
/ WT51FM24
【 General Description 】 |
WT51FM16/51FM24是一款採用8位元CISC架構的高整合直流無刷馬達控制系統晶片(SoC)。內建16K位元組的快閃記憶體、512位元組的SRAM、12V to 5V LDO、馬達BEMF換相偵測電路、雙N架構30V gate driver、smart fan通信介面與可直接在風扇端燒錄功能等等。 |
WT51FM16/51FM24可直接操作於12V BLDC馬達系統,不需要外掛hall sensor與gate driver,其中WT51FM16採用QFN16 (4 mm x 4 mm),適用於單相BLDC Motor應用,而WT51FM24採用QFN24封裝 (4 mm x 4 mm),則適用於三相BLDC Motor應用。 |
【 Features 】 | |
● | 1T 8052 core, MCS-51 instruction set compatible |
● | Instruction execution time: Min. = 41.67ns @24MHz |
● | 512 Bytes of RAM (256 Bytes of standard 8052 internal Data RAM + 256 Bytes of external RAM) |
● | 16K Bytes of flash memory for program storage |
● | Supporting Internal Clock Oscillators: |
- 24MHz RC oscillator | |
- 32kHz RC oscillator | |
● | Dual 16-bit Data Pointers (DPTR0 & DPTR1) |
● | Three 16-bit Timer/Counters (Timer0, Timer1, Timer2) |
● | One PWMIN Duty Capture 16-bit Timer/Counters |
● | One Hall/BEMF Capture 16-bit Timer/Counters |
● | Built-in Gate Driver Unit for Single/Three Phase Motor Control |
● | Built-in Sensorless BEMF Detection Circuit |
● | Built-in Over Current Detection Circuit |
● | Built-in 16*16 Hardware Multiplier & Right shift 16-bits |
● | One Watchdog Timer (WDT) |
● | One Watch Timer |
● | One UART (UART0), supports baud rate 2400bps ~ 460800bps (at 24MHz) |
● | Emulated E2PROM |
● | One master/slave I2C interface |
● | 16-channel 10-bit Analog/Digital Converter (ADC0 ~ ADC15) |
● | 7 external Interrupt IRQ pins (IRQ0 ~ IRQ14) |
● | 8 programmable bi-directional I/O pins |
● | Low Voltage Detection Reset (LVDR) and under voltage lock out (UVLO) |
● | On-chip Power On Reset (POR) and Low Voltage Reset (LVR) |
● | Built-in single-wire In-Circuit Emulator (ICE) and In-System Program (ISP) |
● | Read Out Protection |
● | Operating voltage range VBB=VIN: 5V to 15V |
● | Operating temperature: -40℃ to +105℃ |
● | Package: QFN16 (4mmx4mm) for WT51FM16, QFN24 (4mmx4mm) for WT51FM24 |