IRMCF312 International Rectifier, IRMCF312 Datasheet - Page 10

• Manufacturer Part Number: IRMCF312
• Description: Dual Channel Sensorless PM Motor Control IC
• Manufacturer: International Rectifier

Specifications of IRMCF312

• Motion Control Description: Dual Channel Sensorless PM Motor Control IC
• Package: QFP100
• Moisture Sensitivity Level: MSL3

Analog Output Interface
Crystal Interface
Reset Interface
I
4.2
PWM
2
C/SPI Interface
P2.6/AOPWM0
P2.7/AOPWM1
P3.1/AOPWM2
XTAL0
XTAL1
RESET
SCL/SO-SI
SDA/CS0
P3.0/INT2/CS1
P1.3/SYNC/SCK Input/output port 1.3, can be configured as SYNC output or SPI clock,
CPWMUH
CPWMUL
CPWMVH
CPWMVL
CPWMWH
CPWMWL
FPWMUH
FPWMUL
FPWMVH
FPWMVL
FPWMWH
FPWMWL
PFCPWM
Motion Peripheral Interface Group
programmable carrier frequency
programmable carrier frequency
programmable carrier frequency
external RC time constant
chip select 1
needs to be pulled up to VDD1 in order to boot from I
Input/output, can be configured as 8-bit PWM output 0 with
Input/output, can be configured as 8-bit PWM output 1 with
Input/output, can be configured as 8-bit PWM output 2 with
Input, connected to crystal
Output, connected to crystal
Inout, system reset, needs to be pulled up to VDD1 but doesn’t require
Output, I
Input/output, I
Input/output port 3.0, can be configured as external interrupt 2 or SPI
Output, motor 1 PWM phase U high side gate signal
Output, motor 1 PWM phase U low side gate signal
Output, motor 1 PWM phase V high side gate signal
Output, motor 1 PWM phase V low side gate signal
Output, motor 1 PWM phase W high side gate signal
Output, motor 1 PWM phase W low side gate signal
Output, motor 2 PWM phase U high side gate signal
Output, motor 2 PWM phase U low side gate signal
Output, motor 2 PWM phase V high side gate signal
Output, motor 2 PWM phase V low side gate signal
Output, motor 2 PWM phase W high side gate signal
Output, motor 2 PWM phase W low side gate signal
Output, PFC PWM
2
C clock output, SPI SO-SI
2
C Data line, Chip Select 0 of SPI
2
C EEPROM
IRMCF312
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