IRMCF312 Datasheet, PDF (4/8 Pages) International Rectifier – Dual Channel Sensorless PM Motor Control IC MCETM(Motion Control Engine) based sinusoidal sensorless control

o Vector rotator
o Mutiply-divide (signed and unsigned)
o Adder
o Subtractor
o Comparator
o Switch
o ATAN (arc tangent)
o Function block (any curve fitting, nonlinear function)
o 16-bit wide Logic operation (AND/OR/XOR/NOT/NEGATE)
o MCE^TM program memory (3K byte)
o Dual port RAM (1K byte)
o MCE^TM control sequencer
• 8051 microcontroller
o 3 x 16 bit timer/counter
o One 16-bit periodic timer
o 16-bit analog watchdog timer
o One 16-bit capture timer
o Up to 36 discrete I/Os
o Eleven-channel 12-bit A/D
ƒ Buffered five channels (0 – 1.2V input)
ƒ Unbuffered six channels (0 – 1.2V input)
o JTAG port (4 pins)
o Up to three channels of analog output (8-bit PWM)
o 2 channel UART
o I²C port
o 48K byte Program RAM
o 8K byte RAM
IRMCF312
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