IRMCF311TY datasheet(9/33 Pages) IRF

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IRMCF311

Discrete I/O Interface

P1.3/SYNC/SCK Input/output port 1.3, can be configured as SYNC output or SPI clock,

needs to be pulled up to VDD1 in order to boot from I2C EEPROM

P1.4/CAP

Input/output port 1.4, can be configured as Capture Timer input

P3.0/INT2/CS1

Input/output port 3.0, can be configured as external interrupt 2 or SPI

chip select 1

P3.2/INT0

Input/output port 3.2, can be configured as external interrupt 0

Analog output Interface

P2.6/AOPWM0 Output, PWM output 0, 8-bit resolution, configurable carrier frequency

P2.7/AOPWM1 Output, PWM output 1, 8-bit resolution, configurable carrier frequency

Crystal Interface

XTAL0

Input, connected to crystal

XTAL1

Output, connected to crystal

Reset Interface

RESET

Inout, system reset, needs to be pulled up to VDD1 but doesn’t require

external RC time constant

2C/SPI Interface

SCL/SO-SI

Output, I2C clock output or SPI data

SDA/CS0

Input/output, I2C data line or SPI chip select 0

P3.0/INT2/CS1

Input/output, INT2 or SPI chip select 1

P1.3/SYNC/SCK Input/output, SYNC output or SPI clock, needs to be pulled up to VDD1

in order boot from I2C EEPROM

4.2

Motion Peripheral Interface Group

PWM

CPWMUH

Output, motor 1 PWM phase U high side gate signal

CPWMUL

Output, motor 1 PWM phase U low side gate signal

CPWMVH

Output, motor 1 PWM phase V high side gate signal

CPWMVL

Output, motor 1 PWM phase V low side gate signal

CPWMWH

Output, motor 1 PWM phase W high side gate signal

CPWMWL

Output, motor 1 PWM phase W low side gate signal

FPWMUH

Output, motor 2 PWM phase U high side gate signal

FPWMUL

Output, motor 2 PWM phase U low side gate signal

FPWMVH

Output, motor 2 PWM phase V high side gate signal

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