AN4231 datasheet(18/22 Pages) STMICROELECTRONICS

tên linh kiện	AN4231

Giải thích chi tiết về linh kiện	Standby mode exit from FLASH to RAM configuration settings

PDF	22 Pages

Scroll/Zoom	100%

nhà sản xuất	STMICROELECTRONICS [STMicroelectronics]

Trang chủ	http://www.st.com

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18 / 22 page

Application code structure

AN4231

18/22

DocID024130 Rev 2

e_lir6, 55592

se_stwr6, 0(r7)

##SWT.CR.R = 0xC000010A; /* disable WEN */

e_lisr6, 65524

e_add16ir6, r6, -32768

e_lisr7, 0xc000

e_add16ir7, r7, 0x010A

se_stwr7, 0(r6)

e_lis

r1, __SP_INIT@h

# Initialize stack pointer r1 to

e_or2i

r1, __SP_INIT@l

# value in linker command file.

e_lis

r13, _SDA_BASE_@h

# Initialize r13 to sdata base

e_or2i

r13, _SDA_BASE_@l

# (provided by linker).

e_lis

r2, _SDA2_BASE_@h

# Initialize r2 to sdata2 base

e_or2i

r2, _SDA2_BASE_@l

# (provided by linker).

e_stwu

r0,-64(r1)

# Terminate stack.

#TLB2 =

1M Internal flash

e_lis r3, 0x1002

mtmas0 r3

e_lis

r3, 0xC000

e_or2i

r3, 0x0500

mtmas1 r3

e_lis

r3, 0x0000

e_or2i

r3, 0x0020

mtmas2 r3

e_lis

r3, 0x0000

e_or2i

r3, 0x003F

mtmas3 r3

tlbwe

e_lis

r3, return_from_standby_code_in_FLASH@h

e_or2i

r3, return_from_standby_code_in_FLASH@l

mtlr r3

here:

se_blr

# branch to code in flash

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