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AN4231 데이터시트(PDF) 17 Page - STMicroelectronics

부품명 AN4231
상세설명  Standby mode exit from FLASH to RAM configuration settings
PDF  22 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN4231 데이터시트(HTML) 17 Page - STMicroelectronics

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DocID024130 Rev 2
17/22
AN4231
Application code structure
e_lis
r3, 0xC000
e_or2i
r3, 0x0600
mtmas1 r3
e_lis
r3, 0xFFC0
e_or2i
r3, 0x0028
mtmas2 r3
e_lis
r3, 0xFFC0
e_or2i
r3, 0x003F
mtmas3 r3
tlbwe
#***********************
# re-Configure MMU SRAM - extend from 4K to 256K.
#***********************
e_lis r3, 0x1000
mtmas0 r3
e_lis
r3, 0xc000
e_or2i
r3, 0x0400 # 256 KB
mtmas1 r3
e_lis
r3, 0x4000
e_or2i
r3, 0x0028
mtmas2 r3
e_lis
r3, 0x4000
e_or2i
r3, 0x003f
mtmas3 r3
tlbwe
#disable_watchdog
e_lisr6, 65524
e_add16ir6, r6, -32752
e_lir7, 50464
se_stwr7, 0(r6)
##SWT.SR.R = 0x0000d928; /* key */
e_lisr7, 65524
e_add16ir7, r7, -32752



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