SmartGPU2-LCD480X320Touch-CommandSet
SMART GPU 2 3.5” TOUCH
Command Set
Vizic Technologies ©2014 22
2.2.6 Sleep – 5Ahex - Z ascii
Commands (host)
3 bytes
1.- 0x4D (hex), M (ascii). *Master command
2.- 0x5A (hex), Z (ascii).
3.- Sleep On: 01(hex).
Sleep Off: 00(hex).
Responses (device)
1 byte
1.- 0x4F (hex), O (ascii) – success ACK or
0x46 (hex), F (ascii) – fail NAK.
Description
Command needed to set sleep mode. It takes
150ms to get in/out sleep mode after
command is accepted. During sleep mode the
screen turns completely white, the LCD
oscillator and voltage generator turns off, but
the memory is conserved. To save more
power combine this command with Display
Brightness set to zero.
Example (sent commands)
Example 1:
<4D,5A,01> Set sleep mode On.
Example 2:
<4D,5A,00> Set sleep mode Off.
All data is in hex.