IRMCK371 International Rectifier, IRMCK371 Datasheet - Page 12

• Manufacturer Part Number: IRMCK371
• Description: A high performance OTP based motion control IC designed primarily for appliance applications.
• Manufacturer: International Rectifier

Specifications of IRMCK371

• Package: QFP48

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5 Application Connections
Typical application connection is shown in Figure 5. All components necessary to implement a
complete sensorless drive control algorithm are shown connected to IRMCK371.
System
Clock
Other Communication
Analog Output
Power
Digital I/O
(I
Microcontroller
Control
2
C or SPI)
(RS232C)
Control
JTAG
Host
Crystal
4MHz
OTP Programming
6.5V
3.3V
1.8V
P3.0/INT2/CS1
P3.2/INT0
SCL/SO-SI
P1.4/CAP
P2.0/NMI
SCL/SO-SI
P5.2/TDO
P1.0/T2
P1.3/SYNC/SCK
P5.1/TSM
P2.6/AOPWM0
P5.3/TDI
1.8V
SDA/CS0
P2.1
P1.1/RXD
P1.2/TXD
XTAL0
XTAL1
VDD1
VDD2
TCLK
RESET
VSS
PLLVDD
PLLVSS
Figure 5. Application Connection of IRMCK371
Interface
RS232C
JTAG
I
PORT1
PORT2
PORT3
RESET
PWM0
2
Logic
C/SPI
PLL
Port
5
System
clock
System
Reset
8051
CPU
OTP ROM
Watchdog
(64kByte)
Program
Timers
(1Kbyte)
4kByte
Memory
Memory
(3kByte)
Timer
divider
Local
RAM
Clock
MCE
Dual
Port
&
12
System
clock
MUX
12bit
A/D
Sequencer
&
Modules
Control
Control
Motion
Motion
S/H
Low Loss
Space
Vector
PWM
PWMWH
PWMVH
PWMVL
PWMWL
IFBC+
PWMUH
PWMUL
IFBC-
IFBCO
GATEKILL
AREF
CMEXT
AVDD
AVSS
AIN0
AIN1
AIN2
0.6V
© 2007 International Rectifier
Optional External Voltage
1.8V
Other analog input (0-1.2V)
Reference (0.6V)
IRMCK371
DC bus shunt
DC bus
voltage
resistor
Motor