SPRUIV7B May 2022 – September 2023 AM620-Q1 , AM623 , AM625 , AM625-Q1 , AM625SIP
The proxy does not store all the buffers internally. It is programmed with a buffer base address (SEC_PROXY_BUFFER_L, SEC_PROXY_BUFFER_H), and all accesses to the buffer are made through the output VBUSM port using that base. The external buffer must be enough to store one msg_size per proxy thread. The proxy only includes a small temporary buffer to save one entire message when accessing the target. Otherwise all host accesses are made to the external buffer. This buffer storage must be considered private for the proxy hardware, so any other access can cause unpredictable results.