IRMCF371TY datasheet(9/30 Pages) IRF

9 / 30 page

IRMCF371

P3.0/INT2/CS1

Input/output port 3.0, can be configured as INT2 input or SPI chip select

P3.2/INT0

Input/output port 3.2, can be configured as INT0 input

Analog Output Interface

AOPWM

Output, PWM output 0, 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

Input/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 to boot from I2C EEPROM

4.2

Motion Peripheral Interface Group

PWM

PWMUH

Output, PWM phase U high side gate signal

PWMUL

Output, PWM phase U low side gate signal

PWMVH

Output, PWM phase V high side gate signal

PWMVL

Output, PWM phase V low side gate signal

PWMWH

Output, PWM phase W high side gate signal

PWMWL

Output, PWM phase W low side gate signal

Fault

GATEKILL

Input, upon assertion, this negates all six PWM signals, programmable

logic sense

4.3

Analog Interface Group

AVDD

Analog power (1.8V)

AVSS

Analog power return

AREF

0.6V buffered output

CMEXT

Unbuffered 0.6V, input to the AREF buffer, capacitor needs to be

connected.

IFB+

Input, Operational amplifier positive input for shunt resistor current

sensing

IFB-

Input, Operational amplifier negative input for shunt resistor current

sensing

IFBO

Output, Operational amplifier output for shunt resistor current sensing

IRMCF371TY Datasheet(PDF) 9 Page - International Rectifier

IRMCF371TY Datasheet(HTML) 9 Page - International Rectifier

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

Datasheet Download

Link URL