SAE81C91

Microcomputer Components Standalone Full-CAN Controller SAE 81C90/91 Data Sheet 01.97 Preliminary Stand Alone Full CAN Controller q Full CAN controller for data rate up to 1 Mbaud q Complies with CAN specification V2.0 part A q q q q q q q q q q SAE 81C90/91 (part B passive) Up to 16 messages simultaneous (each with maximum data length) Message identifier reprogrammable “on the fly” Several transmit jobs can be sent with a single command Transmit check Basic CAN feature Time stamp for eight messages Two host interfaces (parallel and serial) User-configurable outputs for different bus concepts Programmable clock output Two 8 bit I/O-Port extension (P-LCC-44-1 package only) P-LCC-44-1 P-LCC-28-1 The device comes in two versions: SAE 81C90 in a P-LCC-44-1 package with two 8-bit l/O ports, and SAE 81C91 in a P-LCC-28-1 package without l/O ports. SAE 81C90/91 Revision History: Previous Releases: Page 1056 1057 1059 1065 - 1084 1066, 1069 1093 1093 Subjects Version 01.97 06.95 05.94 (Copy version) Figure 1 corrected. Figure 2 corrected. Notes updated. Register description and arrangement improved. New register maps. tAVLL, tLLAX, tDVWH changed to 10 ns. tWHDX changed to 5 ns. Controller Area Network (CAN): License of Robert Bosch GmbH Semiconductor Group 1 01.97 07Feb95@09:05h Intermediate Version SAE 81C90/91 Introduction The Siemens Stand Alone Full CAN (SFCAN) circuit incorporates all the parts for completely autonomous transmission and reception of messages using ...