TOPWAY

SMART LCD Command Manual

Protocol V5.04

URL:

www.topwaydisplay.com

www.topwaysz.com

Page: 2 of 19

Table of Content

1

Basic Specifications...................................................................................................................................3

1.1

Hardware connection............................................................................................................................3

2

Command Structure ...................................................................................................................................3

2.1

Communication Packet Structure .........................................................................................................3

2.2

Packet Acknowledgment ......................................................................................................................3

3

Data arrangement .......................................................................................................................................4

3.1

Color Data Value Configuration ............................................................................................................4

3.2

Data / Address / Page_ID / Location Values Configuration..................................................................4

4

Command Descriptions .............................................................................................................................5

4.1

Command table ....................................................................................................................................5

4.2

Config/ Status Function Commands Details.........................................................................................6

4.2.1

hand_shake ( 0x30 ) .....................................................................................................................6

4.2.2

read_version ( 0x31 ) ....................................................................................................................6

4.2.3

read_pg_id ( 0x32 ).......................................................................................................................7

4.2.4

touch_response ( 0x72/ 0x73/ 0x77/ 0x78/ 0x79 )........................................................................7

4.2.5

set_sys_config ( 0xE0 ).................................................................................................................8

4.2.6

sel_project ( 0xE1 ) .......................................................................................................................9

4.2.7

touch_calib ( 0xE4 ) ......................................................................................................................9

4.2.8

screen_saver (0x5E).....................................................................................................................9

4.2.9

backlight_ctrl ( 0x5F )....................................................................................................................9

4.2.10

buzzer_touch_sound ( 0x79 ) .......................................................................................................9

4.2.11

buzzer_ ctrl ( 0x7A )......................................................................................................................9

4.2.12

Flash_write ( 0x90 ) ....................................................................................................................10

4.2.13

Flash_read ( 0x91 ).....................................................................................................................10

4.2.14

RTC_read ( 0x9B )......................................................................................................................10

4.2.15

RTC_set ( 0x9C ) ........................................................................................................................11

4.2.16

USR_bin_read ( 0x93 ) ...............................................................................................................11

4.2.17

U_drv_format ( 0xE2 ) ................................................................................................................11

4.2.18

U_drv_unlock ( 0xE3 ) ................................................................................................................11

4.3

Display Control Function Commands Details .....................................................................................12

4.3.1

disp_page ( 0x70 ) ......................................................................................................................12

4.3.2

set_element_fg ( 0x7E )..............................................................................................................12

4.3.3

set_element_bg ( 0x7F ) .............................................................................................................12

4.3.4

suspend_vp_refresh (0xE8)........................................................................................................12

4.4

VP Function Commands Details.........................................................................................................13

4.4.1

Successive_write ( 0x82 ) ...........................................................................................................13

4.4.2

Successive_read ( 0x83 ) ...........................................................................................................13

4.4.3

BP1_write ( 0x4B ) ......................................................................................................................14

4.4.4

BP1_write_compress ( 0x4C ) ....................................................................................................14

4.4.5

G16_write ( 0x4D )......................................................................................................................15

4.4.6

G16_write_rotate ( 0x4E )...........................................................................................................15

4.4.7

System Register Write ( 0x3B ) ..................................................................................................15

4.4.8

System Register Read ( 0x3C ) ..................................................................................................16

4.4.9

STR_write ( 0x42 ) ......................................................................................................................16

4.4.10

STR_read ( 0x43 ) ......................................................................................................................16

4.4.11

STR_fill ( 0x46 ) ..........................................................................................................................17

4.4.12

N16_write ( 0x3D ) ......................................................................................................................17

4.4.13

N16_read ( 0x3E ) ......................................................................................................................17

4.4.14

N16_fill ( 0x3F ) ..........................................................................................................................17

4.4.15

N32_write ( 0x44 ) ......................................................................................................................18

4.4.16

N32_read ( 0x45 ).......................................................................................................................18

4.4.17

N32_fill ( 0x47 )...........................................................................................................................18

4.4.18

N64_write ( 0x48 ) ......................................................................................................................19

4.4.19

N64_read ( 0x49 ).......................................................................................................................19

4.4.20

N64_fill ( 0x4A ) ..........................................................................................................................19