ADMC200

a FEATURES Analog Input Block 11-Bit Resolution Analog-to-Digital (A/D) Converter 4 Single-Ended Simultaneously Sampled Analog Inputs 3.2 ␮s Conversion Time/Channel 0 V–5 V Analog Input Range Internal 2.5 V Reference PWM Synchronized Sampling Capability 12-Bit PWM Timer Block Three-Phase Center-Based PWM 1.5 kHz–25 kHz PWM Switching Frequency Range Programmable Deadtime Programmable Pulse Deletion PWM Synchronized Output External PWM Shutdown Vector Transformation Block 12-Bit Vector Transformations Forward and Reverse Clarke Transformations Forward and Reverse Park Rotations 2.9 ␮s Transformation Time DSP & Microcontroller Interface 12-Bit Memory Mapped Registers Twos Complement Data Format 6.25 MHz to 25 MHz Operating Clock Range 68-Lead PLCC Package Single 5 V DC Power Supply Industrial Temperature Range GENERAL DESCRIPTION RESET WR A0–3 RD CS IRQ CLK REFOUT REFIN CONVST U V W AUX PWMSYNC A AP B BP C CP STOP Motion Coprocessor ADMC200 FUNCTIONAL BLOCK DIAGRAM DATABUS CONTROL BUS EMBEDDED CONTROL SEQUENCER CONTROL REGISTERS INTERNAL REFERENCE 11-BIT A/D CONVERTER VECTOR TRANSFORMATION BLOCK 12-BIT PWM TIMER BLOCK D0 – D11 Flexible Analog Channel Sequencing The ADMC200 is a motion coprocessor that can be used with either microcontrollers or digital signal processors (DSP). It provides the functionality that is required to implement a digital control system. In a typical application, the DSP or microcontroller performs the control algorithms (position, speed, torque...