IRMCK371 Datasheet, PDF (7/33 Pages) International Rectifier – Sensorless Motor Control IC for Appliances

IRMCK371
o Divide (signed and unsigned)
o Adder
o Subtractor
o Comparator
o Counter
o Accumulator
o Switch
o Shift
o ATAN (arc tangent)
o Function block (any curve fitting, nonlinear function)
o 16-bit wide Logic operations (AND, OR, XOR, NOT, NEGATE)
o MCE^TM program and data memory (6K byte). ^{Note 1}
o MCE^TM control sequencer
• 8051 microcontroller
o Three 16-bit timer/counters
o 16-bit periodic timer
o 16-bit analog watchdog timer
o 16-bit capture timer
o Up to 13 discrete I/Os
o Four-channel 12-bit A/D
ƒ One buffered channel for current sensing (0 – 1.2V input)
ƒ Three unbuffered channels (0 – 1.2V input)
o JTAG port (4 pins)
o One channel of analog output (8-bit PWM)
o UART
o I²C/SPI port
o 64K byte program OTP
o 2K byte data RAM. ^{Note 1}
Note 1: Total size of RAM is 8K byte including MCE program, MCE data, and 8051
data. Different sizes can be allocated depending on applications.
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