IRMCF311TR Datasheet IRMCF311TY, IRMCF311TR | P31-P33

IRMCF311

31

VSS

AVSS

PLLVSS

6.0V

Figure 12 VDD1, VDD2, AVDD and PLLVDD pin structure

The following figure shows the XTAL0 and XTAL1 pins structure

1 Ω

6.0V

PLLVDD

PLLVSS

Figure 13 XTAL0/XTAL1 pins structure

IRMCF311

32

9 Pin List

Number

Pin Name

Internal IC

Pull-up

/Pull-down

Type

Description

1

XTAL0

I

Crystal input

2

XTAL1

O

Crystal output

3

P1.1/RXD

70 kΩ Pull

up

I/O

Discrete programmable I/O or UART receive input

4

P1.2/TXD

70 kΩ Pull

up

I/O

Discrete programmable I/O or UART transmit

output

5

P1.3/SYNC/

SCK

70 kΩ Pull

up

I/O

Discrete programmable I/O or SYNC output or SPI

clock, needs to be pulled up to VDD1 in order to

boot from I

2

C EEPROM

6

P1.4/CAP

70 kΩ Pull

up

I/O

Discrete programmable I/O or Capture Timer input

7

VDD2

P

1.8V digital power

8

VSS

P

Digital common

9

VDD1

P

3.3V digital power

10

FGATEKILL

70 kΩ Pull

up

I

Fan PWM shutdown input, 2-μsec digital filter,

configurable either high or low true.

11

FPWMWL

70 kΩ Pull

up

O

Fan PWM gate drive for phase W low side,

configurable either high or low true

12

FPWMWH

70 kΩ Pull

up

O

Fan PWM gate drive for phase W high side,

configurable either high or low true

13

FPWMVL

70 kΩ Pull

up

O

Fan PWM gate drive for phase V low side,

configurable either high or low true

14

FPWMVH

70 kΩ Pull

up

O

Fan PWM gate drive for phase V high side,

configurable either high or low true

15

FPWMUL

70 kΩ Pull

up

O

Fan PWM gate drive for phase U low side,

configurable either high or low true

16

FPWMUH

70 kΩ Pull

up

O

Fan PWM gate drive for phase U high side,

configurable either high or low true

17

P2.6/

AOPWM0

70 kΩ Pull

up

I/O

Discrete programmable I/O or analog output 0

(PWM)

18

P2.7/

AOPWM1

70 kΩ Pull

up

Discrete programmable I/O or analog output 1

(PWM)

19

VDD2

P

1.8V digital power

20

VSS

P

Digital common

21

IFBF-

I

Fan single shunt current sensing OP amp input (-)

22

IFBF+

I

Fan single shunt current sensing OP amp input (+)

23

IFBFO

O

Fan single shunt current sensing OP amp output

IRMCF311

33

Number

Pin Name

Internal IC

Pull-up

/Pull-down

Type

Description

24

AIN0

I

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

pulled down to AVSS if unused

25

AVDD

P

1.8V analog power

26

AVSS

P

Analog common

27

AIN1

I

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

pulled down to AVSS if unused

28

CMEXT

O

Unbuffered analog reference voltage output (0.6V),

capacitor needs to be connected.

29

AREF

O

Analog reference voltage output (0.6V)

30

IFBC-

I

Compressor single shunt current sensing OP amp

input (-)

31

IFBC+

I

Compressor single shunt current sensing OP amp

input (+)

32

IFBCO

O

Compressor single shunt current sensing OP amp

output

33

VAC-

I

AC input voltage sensing OP amp input (-)

34

VAC+

I

AC input voltage sensing OP amp input (+)

35

VACO

O

AC input voltage sensing OP amp output

36

IPFCO

O

PFC shunt current sensing OP amp output

37

IPFC+

I

PFC shunt current sensing OP amp input (+)

38

IPFC-

I

PFC shunt current sensing OP amp input (-)

39

VSS

P

Digital common

40

VDD1

P

3.3V digital power

41

CGATEKILL

70 kΩ Pull

up

I

Compressor PWM shutdown input, 2-μsec digital

filter, configurable either high or low true.

42

CPWMWL

70 kΩ Pull

up

O

Compressor PWM gate drive for phase W low side,

configurable either high or low true

43

CPWMWH

70 kΩ Pull

up

O

Compressor PWM gate drive for phase W high side,

configurable either high or low true

44

CPWMVL

70 kΩ Pull

up

O

Compressor PWM gate drive for phase V low side,

configurable either high or low true

45

CPWMVH

70 kΩ Pull

up

O

Compressor PWM gate drive for phase V high side,

configurable either high or low true

46

CPWMUL

70 kΩ Pull

up

O

Compressor PWM gate drive for phase U low side,

configurable either high or low true

47

CPWMUH

70 kΩ Pull

up

O

Compressor PWM gate drive for phase U high side,

configurable either high or low true

48

P3.0/INT2

70 kΩ Pull

up

I/O

Discrete programmable I/O or INT2 digital input

IRMCF311TR

IRMCF311TR

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