A2SI - Zentrum Mikroelektronik Dresden

A2SI Release Notes IC Revision C

of modification The telegram reception under worst case capacitive and worst case inductive network conditions was improved in response to suggestions of the technical committee of the AS-International Association. The digital MAN-code communication channel does now support a more cost effective two-wire data transfer between the A²SI and the master control .

Features

e slave address register is changed to zero (0x0). This occurs after the reception of a Delete_Address call or at a reset of the A²SI. In all previous revisions, a running communication watchdog could only be turned off by a reset of the A²SI (reception of Reset_Slave call or external reset). In case the watchdog was running and a master did not submit a Reset_Slave call prior to an address assignment, the write access to the non-volatile E²PROM memory could have been interrupted. Because a data corruption is likely in such an event, the A²SI resumed to the fail save state of slave address zer.