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LC-32/40/46LE600E/RU/S

6 – 9

68

R0X0P

I

TMDS input port 0 data pairs.

67

R0X0N

I

70

R0X1P

I

69

R0X1N

I

72

R0X2P

I

71

R0X2N

I

66

R0XCP

I

TMDS input port 0 clock pair.

65

R0XCN

I

4

R1X0P

I

TMDS input port 1 data pairs.

3

R1X0N

I

6

R1X1P

I

5

R1X1N

I

8

R1X2P

I

7

R1X2N

I

2

R1XCP

I

TMDS input port 1 clock pair

1

R1XCN

I

14

R2X0P

I

TMDS input port 2 data pairs.

13

R2X0N

I

16

R2X1P

I

15

R2X1N

I

18

R2X2P

I

17

R2X2N

I

12

R2XCP

I

TMDS input port 2 clock pair.

11

R2XCN

I

22

R3X0P

I

TMDS input port 3 data pairs.

21

R3X0N

I

24

R3X1P

I

23

R3X1N

I

26

R3X2P

I

25

R3X2N

I

20

R3XCP

I

TMDS input port 3 clock pair

19

R3XCN

I

60

TX0P

O

HDMI Tx Output port data.

61

TX0N

O

TMDS Low Voltage Differential Signal output data pairs.

58

TX1P

O

59

TX1N

O

56

TX2P

O

57

TX2N

O

62

TXCP

O

63

TXCN

O

29

DSDA0

I/O

DDC I2C Data for respective port. These signals are true open drain, and do not pull-down to ground when 
power is not applied to the device. These pins require an external pull-up resistor.

33

DSDA1

I/O

39

DSDA2

I/O

43

DSDA3

I/O

30

DSCL0

I

DDC I2C Clock for respective port. These signals are true open drain, and do not pull-down to ground when 
power is not applied to the device. These pins require an external pull-up resistor.

34

DSCL1

I

40

DSCL2

I

44

DSCL3

I

32

R0PWR5V

—

5-V Port detection input for respective port. Connect to 5-V signal from HDMI input connector.

36

R1PWR5V

—

42

R2PWR5V

—

46

R3PWR5V

—

31

HPD0

O

Hot Plug Detect Output for respective port. Connect to HOTPLUG of HDMI input connector.

35

HPD1

O

41

HPD2

O

45

HPD3

O

49

R4PWR5V

—

5V power from 5th Rx port.

LC-32/40/46LE600E/RU/S

6 – 10

 Control Pins

54

CSCL

I

Local Configuration/Status I2C Clock. Chip configuration/status is accessed via this I2C port.
This pin is a true open drain, so it does not pull to ground if power is not applied. 

53

CSDA

I/O

Local Configuration/Status I2C Data. Chip configuration/status is accessed via this I2C port.
This pin is a true open drain, so it does not pull to ground if power is not applied.

48

DSCL4

I

DDC I2C Clock for VGA port. HDCP KSV, Aa, and Ri values are exchanged over this I2C port during authen-
tication. This pin is a true open drain, so it does not pull to ground if power is not applied.
The R4PWR5V (VREF) pad will provide a reference voltage for the PROT input pin.

47

DSDA4

I/O

DDC I2C Data for VGA port. HDCP KSV, Aa, and Ri values are exchanged over this I2C port during authen-
tication. This pin is a true open drain, so it does not pull to ground if power is not applied.
The R4PWR5V (VREF) pad will provide a reference voltage for the PROT input pin.

 Configuration Pins

55

TPWR_CI2CA

I/O

I2C Slave Address input/Transmit Power Sense Output. When RESET# is LOW, this pin is used as an input 
to latch the I2C sub _address. The level on this pin is latched when the RESET# pin transition from LOW to 
HIGH. When RESET# is HIGH, this pin is used as the TPWR output, indicating that the receive port has 5V 
present.

52

INT

O

Interrupt Output. 
This is an open_drain output and requires an external pull_up resister.

10

RSVD

—

When SBVCC (pin38) = 5V, RSVD pin #10 must be tied to GND with less than 10K resistor.
When SBVCC (pin38) = 3.3V, RSVD pin #10 must be tied to GND with 1M ohm resistor.

28

RSVD

—

These pins must be tied to GND during normal operation.

 CEC Pins

50

CEC_A

I/O

HDMI compliant CEC I/O used for interfacing to CEC devices. The signal is electrically compliant with CEC 
specification. This pin connects to the CEC signal of all HDMI connectors in the system. As an input, the pin 
acts as a LVTTL, Schmitt triggered input and is 5V tolerant. As an output, the pin acts as an NMOS driver 
with resistive pull-up. This pin has an internal pull-up resistor. 

51

CEC_D

I/O

This pin is configurable through NVRAM. For CEC_D use, this pin interfaces to the CEC master. Usually 
connected to Micro-controller.

 Power and Ground Pins

9,27,64 VCC33

—

TMDS Core VCC. Must be supplied at 3.3V

37

MICOM_VCC33

—

During normal mode, this pin provides 3.3V power to external micro-controller. Maximum output current is 
30mA.

38

SBVCC

—

Local Power from TV. 
When SBVCC (pin38) = 5V, RSVD pin #10 must be tied to GND with less than 10K resistor.
When SBVCC (pin38) = 3.3V, RSVD pin #10 must be tied to GND with 1M ohm resistor.

ePad

Epad

—

ePad must be connected to ground.
All ground planes, analog and digital, must be tied together to the ePad, which must be connected to ground.

LC-32/40/46LE600E/RU/S

6 – 11

1

VIN

I

Power supply input terminal.
It is an input terminal to the switch and a power supply input terminal of an internal circuit. 

2

GND

—

Ground

3

EN

I

Switch enable input terminal. 
The switch is turned on by inputting the high level. 

4

/OC

O

Over current notification terminal. 
When the over current is detected, it becomes a low level. 
Open drain output. 

5

VOUT

O

Switch output terminal.

LC-32/40/46LE600E/RU/S

6 – 12

1

OUT

O

Voltage detection output terminal. (RESET detecting voltage)

2

VDD

—

Voltage input terminal.

3

VSS

—

Ground terminal.

4

NC

—

No connection (It is an opening electrically.)

5

CD

 I

External capacitor connection terminal for delay.