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參數資料
型號: EFM32-TG110F32-SK
廠商: Energy Micro
文件頁數: 25/136頁
文件大小: 0K
描述: IC MICRO KIT GECKO 24QFN
標準包裝: 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: 24-QFN
工具箱內容: (2) 914-1033-2-ND - MCU 32BIT 32KB FLASH 24-QFN
其它名稱: 914-1022
...the world's most energy friendly microcontrollers
2011-02-04 - d0002_Rev1.00
120
www.energymicro.com
Table 4.47 (p. 120) shows the AP encodings that define the access permissions for privileged and
unprivileged software.
Table 4.47. AP encoding
AP[2:0]
Privileged
permissions
Unprivileged
permissions
Description
000
No access
All accesses generate a permission fault
001
RW
No access
Access from privileged software only
010
RW
RO
Writes by unprivileged software generate a permission fault
011
RW
Full access
100
Unpredictable
Reserved
101
RO
No access
Reads by privileged software only
110
RO
Read only, by privileged or unprivileged software
111
RO
Read only, by privileged or unprivileged software
4.5.7 MPU mismatch
When an access violates the MPU permissions, the processor generates a memory management fault,
see Section 2.1.4 (p. 13) . The MMFSR indicates the cause of the fault. See Section 4.3.11.1 (p. 105)
for more information.
4.5.8 Updating an MPU region
To update the attributes for an MPU region, update the RNR, RBAR and RASR registers. You can
program each register separately, or use a multiple-word write to program all of these registers. You can
use the RBAR and RASR aliases to program up to four regions simultaneously using an STM instruction.
4.5.8.1 Updating an MPU region using separate words
Simple code to configure one region:
; R1 = region number
; R2 = size/enable
; R3 = attributes
; R4 = address
LDR R0,=MPU_RNR
; 0xE000ED98, MPU region number register
STR R1, [R0, #0x0]
; Region Number
STR R4, [R0, #0x4]
; Region Base Address
STRH R2, [R0, #0x8]
; Region Size and Enable
STRH R3, [R0, #0xA]
; Region Attribute
Disable a region before writing new region settings to the MPU if you have previously enabled the region
being changed. For example:
相關PDF資料
PDF描述
FAM1-400-400-2.0-1A FAM1 SHEET 400X400X2MM W/ADH
EFM32-TG108F32-SK IC MICRO KIT GECKO 24QFN
FAM1-400-400-1.5-1A FAM1 SHEET 400X400X1.5MM W/ADH
EFM32-G890F128-SK IC MICRO KIT GECKO 112BGA
176C TRANSFORMER AUTO STEP UP/PLG IN
相關代理商/技術參數
參數描述
EFM32TG110F32-T 制造商:Energy Micro AS 功能描述:IC MCU 32BIT 32KB FLASH 24QFN
EFM32TG110F4 功能描述:ARM微控制器 - MCU 4KB Flash 1KB RAM RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數據總線寬度:32 bit 最大時鐘頻率:72 MHz 程序存儲器大小:256 KB 數據 RAM 大小:32 KB 片上 ADC:Yes 工作電源電壓:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:LQFP-48 安裝風格:SMD/SMT
EFM32TG110F4-QFN24 制造商:Energy Micro AS 功能描述:TINY GECKO MCU - Tape and Reel 制造商:Energy Micro 功能描述:energy micro EFM32TG110F4-QFN24 Microcontrollers (MCU) 制造商:Energy Micro AS 功能描述:IC MCU 32BIT 4KB FLASH 24QFN
EFM32TG110F4-QFN24T 制造商:Energy Micro AS 功能描述:32 BIT ARM MPU, TINY GECKO - Trays
EFM32TG110F4-QFN24-T 制造商:Energy Micro AS 功能描述:IC MCU 32BIT 4KB FLASH 24QFN
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