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MR-8XX Series IC Card Reader/Writer
10-Before to display the screen, the all are cleared in the screen.
Bit3(BackLight)： 0- BackLight Off， 1- BackLight On
Bit4~7: RFU
DisAddr(2Byte)：Save the display screen in the Flash(AT45DB321)，address LSB first。
Width(1Byte)：Width of the image (1~128)
High(1Byte)：Image height (1~8)
StartLine(1Byte)：Display start line (0~7)
StartColumn(1Byte)：Display start column (0~127)
Answer:
Response
Result
Data Out
SW1
SW2
Note：
1、 The standby screen is stored in the reader's outside Flash, the fonts occupy the beginning
of 1303 blocks (0~1302), the user can not erase or set, for the user to use the block number is
1303 ~ 8191, each block size is 512 bytes.
2、Before to enable the boot screen, the screen data need to be written into the Flash SaveAddr
address via FlashWrite APDU, otherwise the picture is uncertain. If the picture is larger than
512 bytes, the excess bytes are written into the following the second block.
3、The image dimention=Width*High
3.5.38 Read card outside Flash
The MR-800's outside Flash is of AT45DB321 where 0 ~ 1302 blocks to save the font, so
please don not read these blocks.
Send APDU format:
Command
Class
INS
P1
P2
Lc
Data
ReadFlash
FF
00
FD
00
06
BlockAddr+ ByteAddr+ Len
BlockAddr：Block address (2Byte, High byte first)
ByteAddr： Starting address within the block Byte (2Byte, High byte first)
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