参数资料
型号: EFM32TG232F32
厂商: Energy Micro
文件页数: 3/136页
文件大小: 0K
描述: IC MCU 32BIT 32KB FLASH 64LQFP
特色产品: EFM32 Tiny Gecko
标准包装: 1
系列: Tiny 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,I²S,POR,PWM,WDT
输入/输出数: 53
程序存储器容量: 32KB(32K x 8)
程序存储器类型: 闪存
RAM 容量: 4K x 8
电压 - 电源 (Vcc/Vdd): 1.8 V ~ 3.8 V
数据转换器: A/D 8x12b,D/A 1x12b
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: 914-1030-6
...the world's most energy friendly microcontrollers
2011-02-04 - d0002_Rev1.00
100
www.energymicro.com
Bits
Name
Type
Function
[2]
SYSRESETREQ
WO
System reset request:
0 = no system reset request
1 = asserts a signal to the EFM32 Reset Managment Unit (RMU) to
request a reset.
This is intended to force a large system reset of all major components
except for debug.
This bit reads as 0.
[1]
VECTCLRACTIVE
WO
Reserved for Debug use. This bit reads as 0. When writing to the register
you must write 0 to this bit, otherwise behavior is Unpredictable.
[0]
VECTRESET
WO
Reserved for Debug use. This bit reads as 0. When writing to the register
you must write 0 to this bit, otherwise behavior is Unpredictable.
4.3.6.1 Binary point
The PRIGROUP field indicates the position of the binary point that splits the PRI_n fields in the Interrupt
Priority Registers into separate group priority and subpriority fields. Table 4.18 (p. 100) shows how
the PRIGROUP value controls this split.
Table 4.18. Priority grouping
Interrupt priority level value, PRI_N[7:0]
Number of
PRIGROUP
Binary point
1
Group priority bits
Subpriority bits
Group priorities
Subpriorities
b100-b000
bxxx.00000
[7:5]
None
8
1
b101
bxx.y00000
[7:6]
[5]
4
2
b110
bx.yy00000
[7]
[6:5]
2
4
b111
b.yyy00000
None
[7:5]
1
8
1PRI_n[7:0] field showing the binary point. x denotes a group priority field bit, and y denotes a subpriority field bit.
Note
Determining preemption of an exception uses only the group priority field, see
4.3.7 System Control Register
The SCR controls features of entry to and exit from low power state. See the register summary in
Table 4.12 (p. 94) for its attributes. The bit assignments are:
31
4 3 2 1 0
Reserved
SLEEPDEEP
SLEEPONEXIT
Reserved
5
SEVONPEND
Table 4.19. SCR bit assignments
Bits
Name
Function
[31:5]
-
Reserved.
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