Hello there from France,
Do you know where i could find/buy the datasheet for a rockwell R68561 multiprotocol chip ? This is an SDLC/HDLC protocol controller compatible with the 68k motorola processor family.
After hours of searching, I found absolutely nothing on the web (except the pinout of the IC) Thanks for your help.
Fabien
Sounds like the old Packet radio controller system or the likes of it.
What are you actually looking for? the CRC and bit packing with the ESC codes or, some inner command stream to the chip?
motorola=20
(except the=20
Looks like it may be a second source for the Motorola MC68561
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