IRMCF188TY datasheet(34/38 Pages) IRF

34 / 38 page

IRMCF188

www.irf.com

March 10, 2017

Pin List

Number

Pin Name

Internal Pull-

up /Pull-down

Type

Description

XTAL0

Crystal input

XTAL1

Crystal output

P1.0/T2

I/O

Discrete programmable I/O or Timer/Counter 2 input

SCL/SO-SI

I/O

2C clock output (open drain, need pull up) or SPI data

SDA/CS0

I/O

2C data (open drain, need pull up) or SPI Chip Select

P1.3/SYNC/SCK

I/O

Discrete programmable I/O or SYNC output or SPI

clock output

P1.4/CAP

I/O

Discrete programmable I/O or Capture timer input

P1.6

I/O

Discrete programmable I/O

P1.7

Discrete programmable I/O

VDD1

3.3V digital power

VSS

Digital common

VDDCAP

Internal 1.8V output, Capacitor(s) to be connected

P2.0/NMI

I/O

Discrete programmable I/O or Non-maskable Interrupt

input

P3.2/INT0

I/O

Discrete programmable I/O or Interrupt 0 input

P2.2

I/O

Discrete programmable I/O

P2.3

I/O

Discrete programmable I/O

P2.6/AOPWM0

I/O

Discrete programmable I/O or PWM 0 digital output

P2.7/AOPWM1

I/O

Discrete programmable I/O or PWM 1 digital output

OP1O

Op amp output for application sensing, 0-1.2V range

OP1-

Op amp negative input for application sensing, 0-1.2V

range, needs to be pulled down to AVSS if unused

OP1+

Op amp positive input for application sensing, 0-1.2V

range, needs to be pulled down to AVSS if unused

VDCBUS

Analog input channel (0

– 1.2V), allocated for DC bus

voltage input, needs to be pulled down to AVSS if

unused

AIN1

Analog input channel 1, 0-1.2V range, needs to be

pulled down to AVSS if unused

AIN2

Analog input channel 2, 0-1.2V range, needs to be

pulled down to AVSS if unused

AIN3

Analog input channel 3, 0-1.2V range, needs to be

pulled down to AVSS if unused

AIN4

Analog input channel 4, 0-1.2V range, needs to be

pulled down to AVSS if unused

ADCH

Input, Analog input channel dedicated for A/D

compensation (0

– 1.2V), needs to be pulled down to

AVSS if unused

OP2-

Op amp negative input for application sensing, 0-1.2V

range, needs to be pulled down to AVSS if unused

OP2+

Op amp positive input for application sensing, 0-1.2V

range, needs to be pulled down to AVSS if unused

OP2O

Op amp output for application sensing, 0-1.2V range

CMEXT

Unbuffered 0.6V output. Capacitor needs to be

connected.

AREF

Analog reference voltage output (0.6V)

IRMCF188TY Datasheet(PDF) 34 Page - International Rectifier

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