Datasheet

EA uniTFT Vorläufig
SHORT PROTOCOLL
Command Display
Byte
0 1 2 3 4 5 6 7 8 9 10
Send commands / data to dis-
play
send
DC3
1
len
2
data ... ...
crc16
3
receive ACK
Repeat last packet send DC4 1 0 'S' crc16
send ACK
receive DC3 len data ... ... crc16
Request protocoll in-
fromation
send DC4 1 0 'R' crc16
send ACK
receive DC3 len data ... ... crc16
Request / Release interface
send DC4 5 0 'D'
packet size
sendbuffer
4
timeout
5
[10 ms]
crc16
receive ACK
Hardware Reset / Reboot send DC4 1 0 'I' crc16
send ACK
receive DC4 4 0
Sendbuffer bytes
ready
Receivebuffer
bytes free
crc16
Repeat last packet send DC4 1 0 'P' crc16
send ACK
receive DC4 6 0 max. Packet size akt. Packetsize
timeout
[10 ms]
crc16
Request protocoll in-
fromation
send DC4 3 0 'A'
Select /
Deselect
adr crc16
receive ACK
RS485 direction enable delay
send DC4 2 0 'T'
Verzögerung [10 us]
6
receive ACK
Break-command
send DC4 2 0 'G'
0=Freigabe
1=Anfordern
crc16
send ACK
receive DC4 1 0
aktiv
7
crc16
Call the display's send buffer
send DC4 2 0 'C'
mask
8
crc16
receive ACK
Protocoll settings
Display
DC4 2 0 'B'
option
9
crc16
1
DC3 = 19d = 0x13; DC4 = 20d = 0x14
2
len: number of use data, without checksum, without DC3/4. Consists of 2 bytes, low byte is transmitted first
Technische Änderung vorbehalten.
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