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IRMCF311
High Peformance Air Conditioner Control IC.
Data Sheet No. PD60312B
International 1l02l2014
TOR Rectifier |RMCF311
Dual Channel Sensorless Motor Control IC
for Appliances
Features ProductSummary
D MCETM (Motion Control Engine) - Hardware based Maximum crystal frequency 60 MHz
computation engine for high efficiency sinusoidal Maximum internal clock (SYSCLK) frequency 128 MHz
sensorless control of permanent magnet AC motor
D Integrate d Power Factor Correction control Sensorless control computation time 11 psec typ
U Supports both interior and surface permanent MCETM computation data range 16 bit signed
magnet motors Program RAM loaded from external EEPROM 48K bytes
D Built-in hardware peripheral for single shunt Data RAM 8K bytes
current feedback reconstruction . . . .
D No external current or voltage sensing operational Gatekill latency (digital filtered) 2 psec
amplifier required PWM carrier frequency counter 16 bits/ SYSCLK
D Dual channel threeltwo-phase Space Vector PWM A/D input channels 6
I: Two-channel analog output (PWM) AID converter resolution 12 bits
U Embedtied 8-bit high speed microcontroller (8051) A/D converter conversion speed 2 psec
for flexible IIO and man-machme control
El JTAG programming port for emulationldebugger 8051 instruction execution speed 2 SYSCLK
D Two serial communication interface (UART) Analog output (PWM) resolution 8 bits
EI IZCISPI serial interface UART baud rate (typ) 57.6K bps
ty Watchdog timer with independent analog clock Number of IIO (max) 14
D Three general purpose timers
El Two special timers: periodic timer, capture timer Package (lead-free) QFP64
ty External EEPROM and internal RAM facilitate
debugging and code development
El Pin compatible with IRMCK311, OTP-ROM version
D 1.8Vl3.3V CMOS
Description
|RMCF311 is a high performance RAM based motion control IC designed primarily for appliance applications. IRMCF311 is
designed to achieve low cost and high performance control solutions for advanced inverterized appliance motor control.
|RMCF311 contains two computation engines. One is Motion Control Engine (MCETM) for sensorless control of permanent
magnet motors; the other is an 8-bit high-speed microcontroller (8051). Both computation engines are integrated into one
monolithic chip. The MCETM contains a collection of control elements such as Proportional plus Integral, Vector rotator, Angle
estimator, Multiply/Divide, Low loss SVPWM, Single Shunt IFB. The user can program a motion control algorithm by
connecting these control elements using a graphic compiler. Key components of the sensorless control algorithms, such as
the Angle Estimator, are provided as complete pre-defined control blocks implemented in hardware. A unique analog/digital
circuit and algorithm to fully support single shunt current reconstruction is also provided. The 8051 microcontroller performs 2-
cycle instruction execution (60MIPS at 120MHz). The MCE and 8051 microcontroller are connected via dual port RAM to
process signal monitoring and command input. An advanced graphic compiler for the MCETM is seamlessly integrated into the
MATLAB/Simulink environment, while third party JTAG based emulator tools are supported for 8051 developments.
IRMCF311 comes with a small QFP64 pin lead-free package.
International IRMCF311
IEBR Rectifier
TABLE OF CONTENTS
l Overview ...................................................................................................................................... 4
2 IRMCF311 Block Diagram and Main Functions ......................................................................... 5
3 Pinout ........................................................................................................................................... 7
4 Input/Output of IRMCF3 11 ......................................................................................................... 8
4.1 8051 Peripheral Interface Group ........................................................................................... 8
4.2 Motion Peripheral Interface Group ....................................................................................... 9
4.3 Analog Interface Group _...................................................................................................... 10
4.4 Power Interface Group ........................................................................................................ 11
4.5 Test Interface Group ............................................................................................................ 11
5 Application Connections ........................................................................................................... 12
6 DC Characteristics .................................................................................................................... 13
Sl Absolute Maximum Ratings F.............................................................................................. 13
6.2 System Clock F requency and Power Consumption P........................................................... 13
6.3 Digital I/O DC Characteristics ............................................................................................ 14
6.4 PLL and Oscillator DC Characteristics ............................................................................... 15
6.5 Analog I/O DC Characteristics F.......................................................................................... 15
6.6 Analog I/O DC Characteristics ........................................................................................... 16
6.7 Under Voltage Lockout DC Characteristics ........................................................................ 17
6.8 CMEXT and AREF Characteristics .................................................................................... 17
7 AC Characteristics _.................................................................................................................... 18
7.1 PLL AC Characteristics ...................................................................................................... 18
7.2 Analog to Digital Converter AC Characteristics ................................................................. 19
7.3 Op amp AC Characteristics ................................................................................................. 20
7.4 Op Amp AC Characteristics ................................................................................................ 20
7.5 SYNC to SVPWM and A/D Conversion AC Timing F........................................................ 21
7.6 GATEKILL to SVPWM AC Timing .................................................................................. 22
7.7 Interrupt AC Timing ........................................................................................................... 22
7.8 12C AC Timing .................................................................................................................... 23
7.9 SPI AC Timing _................................................................................................................... 24
7.9.1 SPI Write AC timing .................................................................................................... 24
7.9.2 SPI Read AC Timing .................................................................................................... 25
7.10 UART AC Timing ........................................................................................................... 26
7.11 CAPTURE Input AC Timing F......................................................................................... 27
7.12 JTAG AC Timing ............................................................................................................ 28
8 I/O Structure .............................................................................................................................. 29
9 Pin List ....................................................................................................................................... 32
10 Package Dimensions ............................................................................................................... 35
ll Part Marking Information ....................................................................................................... 36
