參數(shù)資料
型號: EFM32G222F128
廠商: Energy Micro
文件頁數(shù): 54/136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
24
www.energymicro.com
Privileged software can disable the exceptions that Table 2.15 (p. 23) shows as having configurable
priority, see:
For more information about hard faults, memory management faults, bus faults, and usage faults, see
2.3.3 Exception handlers
The processor handles exceptions using:
Interrupt Service Routines
(ISRs)
Interrupts IRQ0 to IRQ(n-1) (n is given by the number of interrupts
for the device, given by Table 1.1 (p. 5) ) are the exceptions handled
by ISRs.
Fault handlers
Hard fault, memory management fault, usage fault, bus fault are fault
exceptions handled by the fault handlers.
System handlers
NMI, PendSV, SVCall SysTick, and the fault exceptions are all
system exceptions that are handled by system handlers.
2.3.4 Vector table
The vector table contains the reset value of the stack pointer, and the start addresses, also called
exception vectors, for all exception handlers. Figure 2.2 (p. 25) shows the order of the exception
vectors in the vector table. The least-significant bit of each vector must be 1, indicating that the exception
handler is Thumb code. The parameter n denotes the number of interrupts for the device, given by
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