Rockwell R68561 protocol controller datasheet needed

[Fabien Collin]

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

 

[Jamie]

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?

 

[JosephKK]

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?

Looks like it may be a second source for the Motorola MC68561