TOPWAY

SMART LCD Command Manual

Protocol V5.04

URL:

www.topwaydisplay.com

www.topwaysz.com

Page: 13 of 19

4.4.1

Successive_write ( 0x82 )

Seq

Cmd-code / Par-data

Descriptions

1

0x82

Write successive value to VP_N16, VP_N32, VP_N64

2

Addr3(MSB)

VP_N16 Address = 0x080000 ~ 0x08FFFF (should be aligned every 2

byte)

VP_N32 Address = 0x020000 ~ 0x02FFFF (should be aligned every 4

byte)

VP_N64 Address = 0x030000 ~ 0x03FFFF (should be aligned every 8

byte)

3

Addr2

4

Addr1

5

Addr0(LSB)

6

Length

The number of data to write (Length = 1~255)

7

Data 1(MSB)

the value to write

No. of byte of Data:

VP_N16 = Length *2,

VP_N32 = Length *4,

VP_N64 = Length *8,

8

Data 2

9

Data 3

:

:

:

Data n(LSB)

Note.

*1. Command should be transferred in communication packet structure (see Communication Packet Structure Section for details)

4.4.2

Successive_read ( 0x83 )

Seq

Cmd-code / Par-data

Descriptions

1

0x83

Read successive value to VP_N16, VP_N32, VP_N64

2

Addr3(MSB)

VP_N16 Address = 0x080000 ~ 0x08FFFF (should be aligned every 2

byte)

VP_N32 Address = 0x020000 ~ 0x02FFFF (should be aligned every 4

byte)

VP_N64 Address = 0x030000 ~ 0x03FFFF (should be aligned every 8

byte)

3

Addr2

4

Addr1

5

Addr0(LSB)

6

Length

The number of data to write (Length = 1 ~ 255)

Note.

*1. Command should be transferred in communication packet structure (see Communication Packet Structure Section for details)

Response code:

Seq.

Content

Byte in Hex

Descriptions

1

st

Header

0xAA

Communication packet header

2

nd

Command

0x83

Command executed

3

rd

VP_ADD

Addr3(MSB

VP Address

0x080000 ~ 0x08FFFF:VP_N16 Address

0x020000 ~ 0x02FFFF:VP_N32 Address

0x030000 ~ 0x03FFFF:VP_N64 Address

4

th

Addr2

5

th

Addr1

6

th

Addr0(LSB)

7

rd

Length

NO.

No. of data

8

rd

Data

Data n(MSB)

No. of byte of Data:

VP_N16 = Length *2,

VP_N32 = Length *4,

VP_N64 = Length *8,

:

:

:

:

(n-1)

th

Data1

n

th

Data0(LSB)

(n+1)

th

Tail

0xCC

Communication packet tail

(n+2)

th

0x33

(n+3)

th

0xC3

(n+4)

th

0x3C

Note.

*1. The Response code with communication packet format (see Communication Packet Structure Section for details)