MEM Write Debug Service

An interface to write data to the memory peripheral. A handshake mechanism is used to request access to the target memory. The memory lock may be acquired immediately allowing multiple read/write operations to be performed as one logical transaction.

Table 1. MEM Write Debug Service Request
System Service Descriptor Bit Field Value Description
15:7 MBOXADDR[10:2] Mailbox address. See Table 2.
6:0 76H MEM write debug service command

The following table lists the MEM Write Service mailbox format.

Table 2. MEM Write Service Mailbox Format
Offset (Byte) Offset (Bit) Length (Bits) Parameter Direction Description
0 0 15 MEMADDR[14:0] Input Sets the target address within the selected memory peripheral for subsequent MEM write and MEM read instructions.
2 0 15 NWORDS Input Depends on memory type. The maximum limit is the size of memory.
4 0 64 MSSADDR Input Specifies the MSS RAM area where to copy the MEM Write data from. Note that all accesses are done with MSS User privileges.