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參數(shù)資料
型號: EFM32-TG230F32-SK
廠商: Energy Micro
文件頁數(shù): 27/136頁
文件大小: 0K
描述: IC MICRO KIT GECKO 64QFN
標(biāo)準(zhǔn)包裝: 1
系列: Tiny Gecko
套件類型: 微控制器
值: 2 件 - 閃存 - 32KB
包裝: 紙板盒
安裝類型: 表面貼裝
包括封裝: 64-QFN
工具箱內(nèi)容: (2) 914-1035-2-ND - MCU 32BIT 32KB FLASH 64-QFN
其它名稱: 914-1024
...the world's most energy friendly microcontrollers
2011-02-04 - d0002_Rev1.00
122
www.energymicro.com
; R3 = size, attributes in one
LDR R0, =MPU_RNR
; 0xE000ED98, MPU region number register
STR R1, [R0, #0x0]
; Region Number
STR R2, [R0, #0x4]
; Region Base Address
STR R3, [R0, #0x8]
; Region Attribute, Size and Enable
Use an STM instruction to optimize this:
; R1 = region number
; R2 = address
; R3 = size, attributes in one
LDR R0, =MPU_RNR
; 0xE000ED98, MPU region number register
STM R0, {R1-R3}
; Region Number, address, attribute, size and enable
You can do this in two words for pre-packed information. This means that the RBAR contains the required
region number and had the VALID bit set to 1, see Section 4.5.4 (p. 117) . Use this when the data is
statically packed, for example in a boot loader:
; R1 = address and region number in one
; R2 = size and attributes in one
LDR R0, =MPU_RBAR
; 0xE000ED9C, MPU Region Base register
STR R1, [R0, #0x0]
; Region base address and
; region number combined with VALID (bit 4) set to 1
STR R2, [R0, #0x4]
; Region Attribute, Size and Enable
Use an STM instruction to optimize this:
; R1 = address and region number in one
; R2 = size and attributes in one
LDR R0,=MPU_RBAR
; 0xE000ED9C, MPU Region Base register
STM R0, {R1-R2}
; Region base address, region number and VALID bit,
; and Region Attribute, Size and Enable
4.5.8.3 Subregions
Regions of 256 bytes or more are divided into eight equal-sized subregions. Set the corresponding bit
in the SRD field of the RASR to disable a subregion, see Section 4.5.5 (p. 117) . The least significant
相關(guān)PDF資料
PDF描述
EFM32-TG210F32-SK IC MICRO KIT GECKO 32QFN
1267 X 6" TAPE ALUMINUM FOIL 6" X 1FT
7810 0.25MM ECAP COND PAD .25MM 7.7" X 10"
7810 0.20MM ECAP COND PAD .20MM 7.7" X 10"
1170 X 6" TAPE FOIL .002" 6" X 18YDS
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