参数资料
型号: EFM32G842F128
厂商: Energy Micro
文件页数: 24/136页
文件大小: 0K
描述: IC MCU 32BIT 128KB FLASH 64LQFP
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,LCD,POR,PWM,WDT
输入/输出数: 53
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 8x12b,D/A 2x12b
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 64-TQFP
包装: 标准包装
其它名称: 914-1028-6
...the world's most energy friendly microcontrollers
2011-02-04 - d0002_Rev1.00
12
www.energymicro.com
Reserved
0
1
31
FAULTMASK
Table 2.8. FAULTMASK register bit assignments
Bits
Name
Function
[31:1]
-
Reserved
[0]
FAULTMASK
0 = no effect
1 = prevents the activation of all exceptions except for NMI.
The processor clears the FAULTMASK bit to 0 on exit from any exception handler except the NMI
handler.
2.1.3.6.3 Base Priority Mask Register
The BASEPRI register defines the minimum priority for exception processing. When BASEPRI is set
to a nonzero value, it prevents the activation of all exceptions with same or lower priority level as the
BASEPRI value. See the register summary in Table 2.2 (p. 7) for its attributes. The bit assignments
are:
BASEPRI
Reserved
31
0
7
8
Table 2.9. BASEPRI register bit assignments
Bits
Name
Function
[31:8]
-
Reserved
[7:0]
BASEPRI
1
Priority mask bits:
0x0000
= no effectNonzero = defines the base priority for exception processing.
The processor does not process any exception with a priority value greater than or equal to
BASEPRI.
1This field is similar to the priority fields in the interrupt priority registers. The processor implements only bits[7:5 of this field,
bits[4:0] read as zero and ignore writes.See Section 4.2.7 (p. 92) for more information. Remember that higher priority field
values correspond to lower exception priorities.
2.1.3.7 CONTROL register
The CONTROL register controls the stack used and the privilege level for software execution when the
processor is in Thread mode. See the register summary in Table 2.2 (p. 7) for its attributes. The
bit assignments are:
31
2 1 0
Reserved
Act ive st ack point er
Thread m ode privilege level
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