IRMCF341_15 datasheet(28/32 Pages) IRF

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IRMCF341

8 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

P1.1/RXD

I/O

Discrete programmable I/O or UART receive input

P1.2/TXD

I/O

Discrete programmable I/O or UART transmit

output

P1.3/SYNC/SCK

I/O

Discrete programmable I/O or SYNC output or

SPI clock output, needs to be pulled up to VDD1

in order to boot from I2C EEPROM

P1.4/CAP

I/O

Discrete programmable I/O or Capture timer input

P1.5

I/O

Discrete programmable I/O

P1.6

I/O

Discrete programmable I/O

P1.7

I/O

Discrete programmable I/O

VDD2

1.8V digital power

VSS

Digital common

VDD1

3.3V digital power

P2.0/NMI

I/O

Discrete programmable I/O or Non-maskable

Interrupt input

P2.1

I/O

Discrete programmable I/O

P2.2

I/O

Discrete programmable I/O

P2.3

I/O

Discrete programmable I/O

P2.4

I/O

Discrete programmable I/O

P2.5

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

VDD2

1.8V digital power

VSS

Digital common

AIN0

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

be pulled down to AVSS if unused

AVDD

1.8V analog power

AVSS

Analog common

AIN1

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

be pulled down to AVSS if unused

CMEXT

Unbuffered 0.6V output. Capacitor needs to be

connected.

AREF

Analog reference voltage output (0.6V)

IFB-

Single shunt current sensing OP amp input (-)

IFB+

Single shunt current sensing OP amp input (+)

IFBO

Single shunt current sensing OP amp output

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