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6

ME817EV BT817 Evaluation Board Datasheet

Version 1.0

Document No.: BRT_000325 Clearance No.: BRT#157

3.2.2 ME817EV Connectors

Connectors and jumpers are described in the following sections.



JP1 – Power source select for the board

JP1 is the jumper option for users to select the 5V power supply source for the board.

Pin Option

Description

OPEN

5V Power from CN6 USBC1 VBUS

1-2 SHORT

5V Power from CN11 USBC2 VBUS (CN6 must not connect)

2-3 SHORT

5V Power from CN7 or CN8 5V_HOST (CN6 must not connect)

Table 3-1 – JP1 Pin options



JP2 – Power source select for the 40-pin LVDS panel

JP2 is the jumper option for users to select the 2.5V/3.3V power supply for the 40-pin LVDS panel

(CN9).

Pin Option

Description

1-2 SHORT

Select 2.5V power supply

2-3 SHORT

Select 3.3V power supply

Table 3-2 – JP2 Pin options



CN1 – 50-pin RGB LCD Flex Cable connector, 0.5mm, bottom contact

This connector is the interface between the BT817 IC and the LCD Module. Compatible with many

LCD panels with 50-pin RGB interface such as the Riverdi RiTFT-70H.

Pin No.

Name

Type

Description

1-2

LEDA

P

Power for LED backlight (Anode)

3-4

LEDK

P

Power for LED backlight (Cathode)

5

GND

P

Ground

6

VCOM

P

Common voltage

7

DVDD

P

Power for digital circuit, 3.3V

8

MODE

O

DE/SYNC mode select

9

DE

O

Data enable

10

VS

O

Vertical Sync

11

HS

O

Horizontal Sync

12

B7

O

RGB Blue data

13

B6

O

RGB Blue data

14

B5

O

RGB Blue data

15

B4

O

RGB Blue data

16

B3

O

RGB Blue data

17

B2

O

RGB Blue data

18

B1

O

RGB Blue data

19

B0

O

RGB Blue data

20

G7

O

RGB Green data

21

G6

O

RGB Green data

22

G5

O

RGB Green data

23

G4

O

RGB Green data

24

G3

O

RGB Green data

25

G2

O

RGB Green data

26

G1

O

RGB Green data

27

G0

O

RGB Green data

28

R7

O

RGB Red data

29

R6

O

RGB Red data