参数资料
型号: EFM32G222F128
厂商: Energy Micro
文件页数: 7/136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
104
www.energymicro.com
the pending status of the bus fault, memory management fault, and SVC exceptions
the active status of the system handlers.
See the register summary in Table 4.12 (p. 94) for the SHCSR attributes. The bit assignments are:
USGFAULTENA
SVCALLPENDED
BUSFAULTENA
MEMFAULTENA
BUSFAULTPENDED
SYSTICKACT
PENDSVACT
MONITORACT
SVCALLACT
USGFAULTACT
BUSFAULTACT
MEMFAULTACT
MEMFAULTPENDED
USGFAULTPENDED
Reserved
31
19 18 17 16 15 14 13 12 11 10 9 8 7 6
4 3 2 1 0
Table 4.25. SHCSR bit assignments
Bits
Name
Function
[31:19]
-
Reserved
[18]
USGFAULTENA
Usage fault enable bit, set to 1 to enable
1
[17]
BUSFAULTENA
Bus fault enable bit, set to 1 to enable
1
[16]
MEMFAULTENA
Memory management fault enable bit, set to 1 to enable
1
[15]
SVCALLPENDED
SVC call pending bit, reads as 1 if exception is pending
2
[14]
BUSFAULTPENDED
Bus fault exception pending bit, reads as 1 if exception is pending
2
[13]
MEMFAULTPENDED
Memory management fault exception pending bit, reads as 1 if exception is
pending
2
[12]
USGFAULTPENDED
Usage fault exception pending bit, reads as 1 if exception is pending
2
[11]
SYSTICKACT
SysTick exception active bit, reads as 1 if exception is active
3
[10]
PENDSVACT
PendSV exception active bit, reads as 1 if exception is active
[9]
-
Reserved
[8]
MONITORACT
Debug monitor active bit, reads as 1 if Debug monitor is active
[7]
SVCALLACT
SVC call active bit, reads as 1 if SVC call is active
[6:4]
-
Reserved
[3]
USGFAULTACT
Usage fault exception active bit, reads as 1 if exception is active
[2]
-
Reserved
[1]
BUSFAULTACT
Bus fault exception active bit, reads as 1 if exception is active
[0]
MEMFAULTACT
Memory management fault exception active bit, reads as 1 if exception is active
1Enable bits, set to 1 to enable the exception, or set to 0 to disable the exception.
2Pending bits, read as 1 if the exception is pending, or as 0 if it is not pending. You can write to these bits to change the pending
status of the exceptions.
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