TC1796
System Units (Vol. 1 of 2)
Reset and Boot Operation
User’s Manual 4-22 V2.0, 2007-07
Reset, V2.0
identification byte has been transmitted, the ASC0 receive pin is enabled again. The
bootstrap loader software now enters two receive loops. The inner loop waits until it has
received four bytes. The outer loop writes one word (four bytes) to the scratchpad RAM
(SPRAM) program memory of the PMI. These loops are running until 128 bytes have
been received.
After the reception of the 128 bytes, the bootstrap loader software is finished and a jump
to address D400 0000
H
is executed. This address is the 32-bit word location in the
SPRAM at which the first four bytes of the transmitted 128 bytes have been written.
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