IRMCK341 International Rectifier, IRMCK341 Datasheet - Page 6

• Manufacturer Part Number: IRMCK341
• Description: A high performance OTP based motion control IC designed primarily for appliance applications.
• Manufacturer: International Rectifier

Specifications of IRMCK341

• Package: QFP64

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2 IRMCK341 Block Diagram and Main Functions
IRMCK341 block diagram is shown in Figure 2.
IRMCK341 contains the following functions for sensorless AC motor control applications:
Interface
EEPROM
•
Interface
Host
Digital
I/Os
Monitoring
Debugger
Emulator
Crystal
(4MHz)
Motion Control Engine (MCE
8051 Microcontroller
o Proportional plus Integral block
o Low pass filter
o Differentiator and lag (high pass filter)
o Ramp
o Limit
o Angle estimate (sensorless control)
o Inverse Clark transformation
o Vector rotator
o Bit latch
o Peak detect
o Transition
o Multiply-divide (signed and unsigned)
2/4
(8)
(8)
(5)
2
(3)
2
3
4
Counnter0
Counnter1
Counnter2
Watchdog
I2C / SPI
Periodic
PORT 1
PORT 2
PORT 3
PORT 4
UART0
(PWM)
Timer
Timer
Timer
Timer
Timer
D/A
PLL
JTAG
Figure 2. IRMCK341 Internal Block Diagram
120MHz
OTP ROM
64KBytes
2KBytes *
Program
Interrupt
Control
divider
Clock
Local
Core
RAM
CPU
8bit
Clock
8051
TM
)
MCE Clock
UART1
configurable
5.5KBytes*
512 Bytes *
* Sizes are
Dual Port
Program
RAM
MCE
RAM
MCE (Motion Control Engine)
6
Motion Control
Sequencer
Modules
Control
Motion
Single Shunt
Low Loss
SVPWM
OP Amp
Sensing
Current
MUX
A/D
S/H
&
© 2007 International Rectifier
AIN0
6
IRMCK341
3
AIN2
AIN3
AIN4
AIN5
AIN1
AIN6
DC bus volt
CGATEKILL
sensing
resistor
gate drive
shunt
To IGBT
Analog
inputs