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AVR194
The ATmega32M1 includes independent positive and negative comparator inputs to allow sen-
sorless motor control with no external active component. Three individual comparators are
available for back Electro Magnetic Field (EMF) measurements. An additional comparator is
available for over-current detection. Its reference (comparison level) can be fixed via the DAC
output or any external reference voltage. Clocked up to 64-MHz, the 12-bit versatile synchro-
nous Power Stage Controller generates 6 complementary programmable high speed and
precision signals to control the 3 half bridges of a motor. The maximum frequency is 64 kHz, with
a resulting voltage resolution of about 1/1000. Hardware fault detection will automatically and
immediately put the motor in a safe position in case a failure is detected.
3.1
ATmega32M1 Main Features
? Data and Non-Volatile Program Memory
– 32K Bytes Flash of In-System Programmable Program Memory
– 1024 Bytes of In-System Programmable EEPROM
? 2048 Bytes Internal SRAM
? Peripheral Features
– One 12-bit High Speed PSC (Power Stage Controller)
? Non Overlapping Inverted PWM Output Pins With Flexible Dead-Time
? Variable PWM duty Cycle and Frequency
? Synchronous Update of all PWM Registers
? Auto Stop Function for Emergency Event
– One 8-bit General purpose Timer/Counter with Separate Prescaler, Compare Mode and
Capture Mode
– One 16-bit General purpose Timer/Counter with Separate Prescaler, Compare Mode and
Capture Mode
– CAN 2.0A/B with 6 Message Objects
– LIN 2.1 and 1.3 Controller or 8-Bit UART
– One Master/Slave SPI Serial Interface
– 10-bit ADC
? Up To 11 Single Ended Channels and 3 Fully Differential ADC Channel Pairs
? Programmable Gain (5x, 10x, 20x, 40x) on Differential Channels
? Internal Reference Voltage
? Direct Power Supply Voltage Measurement
– 10-bit DAC for Variable Voltage Reference (Comparators, ADC)
– Four Analog Comparators with Variable Threshold Detection
– 100μA ±2% Current Source (LIN Node Identification)
– Interrupt and Wake-up on Pin Change
– Programmable Watchdog Timer with Separate On-Chip Oscillator
– On-chipTemperature Sensor
? Special Microcontroller Features
– Low Power Idle, Noise Reduction, and Power Down Modes
– Power On Reset and Programmable Brown Out Detection
– In-System Programmable via SPI Port
– High Precision Crystal Oscillator for CAN Operations (16 MHz)
– Internal Calibrated RC Oscillator ( 8 MHz)
– On-chip PLL for fast PWM ( 32 MHz, 64 MHz) and CPU (16 MHz)
Note:
Refer to the ATmega32M1 data sheet for the complete description of the ATmega32M1
microcontroller.
7
8138A–AVR–04/08
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相关代理商/技术参数
ATAVRMC301
功能描述:开发板和工具包 - AVR Processor Brd w/ TINYx61 RoHS:否 制造商:Arduino 产品:Evaluation Boards 工具用于评估:ATMega32U4 核心:AVR 接口类型:I2C, UART, USB 工作电源电压:6 V to 20 V
ATAVRMC303
功能描述:BOARD EVAL MOTOR CTRL W/XMEGA RoHS:是 类别:编程器，开发系统 >> 评估演示板和套件 系列:AVR® 标准包装:1 系列:- 主要目的:数字电位器 嵌入式:- 已用 IC / 零件:AD5258 主要属性:- 次要属性:- 已供物品:板 相关产品:AD5258BRMZ1-ND - IC POT DGTL I2C1K 64P 10MSOPAD5258BRMZ10-ND - IC POT DGTL I2C 10K 64P 10MSOPAD5258BRMZ100-ND - IC POT DGTL I2C 100K 64P 10MSOPAD5258BRMZ50-ND - IC POT DGTL I2C 50K 64P 10MSOPAD5258BRMZ1-R7-ND - IC POT DGTL I2C 1K 64P 10MSOPAD5258BRMZ10-R7-ND - IC POT DGTL I2C 10K 64P 10MSOPAD5258BRMZ50-R7-ND - IC POT DGTL I2C 50K 64P 10MSOPAD5258BRMZ100-R7-ND - IC POT DGTL I2C 100K 64P 10MSOP
ATAVRMC310
功能描述:开发板和工具包 - AVR Processor Brd w/ MEGA32M1 RoHS:否 制造商:Arduino 产品:Evaluation Boards 工具用于评估:ATMega32U4 核心:AVR 接口类型:I2C, UART, USB 工作电源电压:6 V to 20 V
ATAVRMC320
功能描述:开发板和工具包 - AVR Motor Contrl. Kit for CAN and LIN app. RoHS:否 制造商:Arduino 产品:Evaluation Boards 工具用于评估:ATMega32U4 核心:AVR 接口类型:I2C, UART, USB 工作电源电压:6 V to 20 V
ATAVRMC321
功能描述:开发板和工具包 - AVR Motor Contrl. Kit for low cost app. RoHS:否 制造商:Arduino 产品:Evaluation Boards 工具用于评估:ATMega32U4 核心:AVR 接口类型:I2C, UART, USB 工作电源电压:6 V to 20 V
ATAVRMC323
功能描述:开发板和工具包 - AVR Motor Contrl. Kit CPU Intens Algorithm RoHS:否 制造商:Arduino 产品:Evaluation Boards 工具用于评估:ATMega32U4 核心:AVR 接口类型:I2C, UART, USB 工作电源电压:6 V to 20 V
ATAVR-MICTOR38
功能描述:集管和线壳 Connector 4 nexus trace connect 4 AVR RoHS:否 产品种类:1.0MM Rectangular Connectors 产品类型:Headers - Pin Strip 系列:DF50 触点类型:Pin (Male) 节距:1 mm 位置/触点数量:16 排数:1 安装风格:SMD/SMT 安装角:Right 端接类型:Solder 外壳材料:Liquid Crystal Polymer (LCP) 触点材料:Brass 触点电镀:Gold 制造商:Hirose Connector
ATAVRONEKIT
功能描述:电路内置调试器 Debug and program all AVR32 devices
RoHS:否 制造商:Microchip Technology 产品:In-Circuit Debugger Kits 工具用于评估:PIC MCUs, dsPIC DSCs 用于:07-00024, AC164113 核心:dsPIC, PIC 接口类型:USB 工作电源电压:3 V to 5 V