Protocol decoder:sle44xx

sle44xx

Name	SLE44xx memory cards
Description	SLE 4418/28/32/42 memory card serial protocol
Status	supported
License	GPLv2+
Source code	decoders/sle44xx
Input	logic
Output	—

The SLE44xx decoder interprets the ISO 7816 (S=A) protocol of Siemens SLE4418, SLE4428, SLE4432, and SLE4442 memory cards.

Decoder

• 

  overview of decode output

 $ sigrok-cli -i $FILE -P sle44xx:io=I/O:clk=CLK:rst=RST -A sle44xx=operations
 sle44xx-1: update main memory, addr 30, data ca
 sle44xx-1: Processing: 11.23 ms, 303 clocks, I/O 1
 sle44xx-1: update main memory, addr 31, data fe
 sle44xx-1: Processing: 8.57 ms, 303 clocks, I/O 1
 sle44xx-1: update main memory, addr 32, data 13
 sle44xx-1: Processing: 8.02 ms, 303 clocks, I/O 1
 sle44xx-1: update main memory, addr 33, data 37
 sle44xx-1: Processing: 11.34 ms, 303 clocks, I/O 1
 sle44xx-1: read main memory, addr 2f
 sle44xx-1: Outgoing: ff ca fe 13 37 ff ff ff ff ff ff ff ff ff ff ... ff ff ff ff
 sle44xx-1: read main memory, addr 00
 sle44xx-1: Outgoing: a2 13 10 91 ff ff 81 15 ff ff ... ff ff d2 76 00 00 04 00 ff ff ... ff ff ca fe 13 37 ff ff ... ff ff ff ff ff

Resources

• Siemens SLE4432 datasheet rev 07.95
• Hackaday article on Kinkos cards, referring to the SLE4442 chip and its datasheet, uses BusPirate to dump memory content