We're trying to document in some detail the exact start-up behavior of our system. The documentation makes it clear that the MSP430F5359 has a small ROM that contains the "Boot Code" that actually is given control of the processor at POR/BOR (Power-On Reset/Brown-Out Reset) time and that code performs certain very low level initialization activities and then decides such things as 1) Activate or leave deactivated the JTAG/SBW interface and 2) transfer to TI's BSL or through the RESET_VECTOR to the user's program.
Is this code documented anywhere in any detail? Is this ROM accessible to ordinary MSP430 application code? Is it accessible to the BSL code?
In a related question, we find that our MSP430F5359 is clocking at about 300 KHz when it first exits the Boot Code. Is this documented somewhere? (Is this what I would calculate out if I simply took the default register states of the UCS after POR/BOR?)
Atlant