参数资料
型号: EFM32G222F128
厂商: Energy Micro
文件页数: 54/136页
文件大小: 0K
描述: IC MCU 32BIT 128KB FLASH 48LQFP
特色产品: EFM32 Gecko
标准包装: 1
系列: Gecko
核心处理器: ARM? Cortex?-M3
芯体尺寸: 32-位
速度: 32MHz
连通性: I²C,IrDA,智能卡,SPI,UART/USART
外围设备: 欠压检测/复位,DMA,POR,PWM,WDT
输入/输出数: 37
程序存储器容量: 128KB(128K x 8)
程序存储器类型: 闪存
RAM 容量: 16K x 8
电压 - 电源 (Vcc/Vdd): 1.8 V ~ 3.8 V
数据转换器: A/D 4x12b,D/A 1x12b
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 48-TQFP
包装: 标准包装
其它名称: 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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