A795 User Guide: Programming Supplement
Chapter 4: Programming commands
34
User data storage
Code (hexadecimal)
Command
Page
1B 27 m a0 a1 a2 d1…dm
Write to user data storage
101
1B 34 m a0 a1 a2
Read from user data storage
101
1B 6A k
Read from non-volatile memory (NVRAM)
101
1B 73 n1 n2 k
Write to non-volatile memory (NVRAM)
101
1D 22 n
Select memory type (SRAM/flash) where to save logos or user-defined fonts
102
1D 22 55 n1 n2
Flash memory user sectors allocation
102
1D 40 n
Erase user flash sector
103
1D 97 m n
User storage status
104
Flash download
Code (hexadecimal)
Command
Page
1B 5B 7D
Switch flash download mode
105
1D 00
Return boot sector firmware part number
106
1D 01
Return segment number status of flash memory
106
1D 02 nn
Select flash memory sector to download
106
1D 06
Get firmware CRC
106
1D 07
Return microprocessor CRC
107
1D 0E
Erase all flash contents except boot sector
107
1D 0F
Return main program flash CRC
107
1D 10 n
Erase selected flash sector
107
1D 11 aL aH cL cH d1…dn
Download to active flash sector
108
1D 8E m nL nH d1 ... dn
Download paper type description
108
1D 8F m
Return paper type description
109
1D FF
Reset firmware
109