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AN3324 Datasheet(PDF) 33 Page - STMicroelectronics

Part # AN3324
Description  Implementing power-on self tests
PDF  37 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN3324 Datasheet(HTML) 33 Page - STMicroelectronics

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AN3324
CPU core initialization
Doc ID 18311 Rev 2
33/37
e_or2i
r5, __SDATA_SRAM_ADDR@l
# Load lower SRAM address into R5
e_subi
r5, r5, 1
# Decrement address to prepare for ROMCPYLOOP
ROMSDATACPYLOOP:
e_lbzu
r4, 1(r10) # Load data byte at R10 into R4,incrementing (update) ROM
address
e_stbu
r4, 1(r5)
# Store R4 data byte into SRAM at R5 and update SRAM address
e_bdnz
ROMSDATACPYLOOP
# Branch if more bytes to load from ROM
ROMCPYEND:
##--------- end Load un-initialised values into RAM ---------------------
.if __ghs__
e_bl
main
.else
bl
__init_main
.endif



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