www.ite.com.tw

IT9130 V0.0.4

9

Pin Description

Pin(s) No.

Symbol

Attribute

Description

45

VDDAH_REG

P

RF analog power supply

46

REG_OUT

P

Regulator output for RF usage

47

ATESTN

AIO

Negative I/O for internal testing (Not Connected)

48

ATESTP

AIO

Positive I/O for internal testing (Not Connected)

Note: P: Power, AIO: Analog Input/Output, DIO: Digital Input/Output, BR: Bias Resistor

Table 3-3. Pin Description of IT9137

Pin(s) No.

Symbol

Attribute

Description

1

ATESTP

AIO

Positive I/O for internal testing (Not Connected)

2

VDD _ ADC

P

RF analog power supply

3

VDD_ LPF

P

RF analog power supply

4

VDD_ MXR

P

RF analog power supply

5

VDD_ LNA

P

RF analog power supply

6

INP_VHF

AIO

RF signal input for VHF

7

NC

—

Not Connected.

8

INN_UHF

AIO

RF signal input for UHF

9

VDD_ LNA

P

RF analog power supply

10

VDD_ BIAS

P

RF analog power supply

11

REXT

BR

External bias resistor

12

VDD33_ LO

P

RF analog power supply

13

VDD_LO

P

RF analog power supply

14

VDD_CLK

P

RF analog power supply

15

XTAL

AIO

Crystal input

16

VDD_XO

P

RF analog power supply

17

NC

—

Not Connected

18

RESETN

DIO

Power-on Reset (Low Active)

19

TESTMODE

DIO

Test mode selection; tied to ground for normal

operation.

20

GPIOH1

DIO

General purpose I/O

21

GPIOH2

DIO

General purpose I/O

22

GPIOH3

DIO

General purpose I/O

23

VDD1

P

Core Power

24

VDD1_OUT

P

Regular output power for Core Usage

25

VDDIO

P

Digital I/O Power

26

IOSDA

DIO

Two-wire bus serial data line

27

IOSCL

DIO

Two-wire bus clock line

28

GPIOH4

DIO

General purpose I/O

29

HOST_B0

DIO

Host interface

30

HOST_B1

DIO

Host interface

31

HOST_B2

DIO

Host interface

32

VDDIO

P

Digital I/O Power

33

VDD1

P

Core Power

34

AVDDHP

P

Power for USB

35

DP

AIO

Differential Positive signal for USB

36

DM

AIO

Differential Negative signal for USB

37

HOST_B3

DIO

Host interface

38

VDDIO

P

Digital I/O Power

39

HOST_B4

DIO

Host interface