參數(shù)資料
型號: EFM32G222F128
廠商: Energy Micro
文件頁數(shù): 55/136頁
文件大?。?/td> 0K
描述: IC MCU 32BIT 128KB FLASH 48LQFP
特色產(chǎn)品: EFM32 Gecko
標(biāo)準(zhǔn)包裝: 1
系列: Gecko
核心處理器: ARM? Cortex?-M3
芯體尺寸: 32-位
速度: 32MHz
連通性: I²C,IrDA,智能卡,SPI,UART/USART
外圍設(shè)備: 欠壓檢測/復(fù)位,DMA,POR,PWM,WDT
輸入/輸出數(shù): 37
程序存儲器容量: 128KB(128K x 8)
程序存儲器類型: 閃存
RAM 容量: 16K x 8
電壓 - 電源 (Vcc/Vdd): 1.8 V ~ 3.8 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 4x12b,D/A 1x12b
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 48-TQFP
包裝: 標(biāo)準(zhǔn)包裝
其它名稱: 914-1027-6
...the world's most energy friendly microcontrollers
2011-02-04 - d0002_Rev1.00
25
www.energymicro.com
Figure 2.2. Vector table
Init ial SP value
Reset
Hard fault
NMI
Mem ory m anagem ent fault
Usage fault
Bus fault
0x0000
0x0004
0x0008
0x000C
0x0010
0x0014
0x0018
Reserved
SVCall
PendSV
Reserved for Debug
Syst ick
IRQ0
Reserved
0x002C
0x0038
0x003C
0x0040
Offset
Except ion num ber
2
3
4
5
6
11
12
14
15
16
18
13
7
10
1
Vect or
.
8
9
IRQ1
IRQ2
0x0044
IRQ(n-1)
17
0x0048
0x004C
n+ 16
.
0x040+ 4x(n-1)
IRQ num ber
-14
-13
-12
-11
-10
-5
-2
-1
0
2
1
n-1
On system reset, the vector table is fixed at address 0x00000000. Privileged software can write to the
VTOR to relocate the vector table start address to a different memory location, in the range 0x00000080
to 0x3FFFFF80, see Section 4.3.5 (p. 98) .
2.3.5 Exception priorities
As Table 2.15 (p. 23) shows, all exceptions have an associated priority, with:
a lower priority value indicating a higher priority
configurable priorities for all exceptions except Reset, Hard fault, and NMI.
If software does not configure any priorities, then all exceptions with a configurable priority have a priority
of 0. For information about configuring exception priorities see
Note
Configurable priority values are in the range 0-7. This means that the Reset, Hard fault, and
NMI exceptions, with fixed negative priority values, always have higher priority than any
other exception.
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