WT51FU16/WT51FU24中文资料视讯IC数据手册Weltrend规格书

描述 Description

WT51FU16/WT51FU24藉由高整合的设计，藉由高整合的設計，讓客戶可節省整體產品的成本及縮小PCB板的尺寸，因此非常適合於服务器散熱風扇的應用。
WT51FU16/WT51FU24是一款采用8位CISC架构的直流无刷电机控制器。内建16K位元组的快闪记忆体、512字节的SRAM、12V to 5V LDO、电机BEMF换相侦测电路、smart fan 通信接口与可直接在风扇端刻录功能等等，可直接操作于12V BLDC电机系统不需要外挂hall sensor，其中WT51FU16采用QFN16封装 (4 mm x 4 mm)，适用于单相BLDC Motor应用，而WT51FU24采用QFN24封装 (4 mm x 4 mm)，则适用于三相BLDC Motor应用。

特性 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:
 - 24 MHz RC oscillator
 - 32 kHz 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 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
●10-bit Analog/Digital Converter
●14 external Interrupt IRQ pins (IRQ0 ~ IRQ4, IRQ6 ~ IRQ14)
●15 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 WT51FU16, QFN24 (4mmx4mm) for WT51FU24