參數(shù)資料
型號: EFM32G842F128
廠商: Energy Micro
文件頁數(shù): 6/136頁
文件大?。?/td> 0K
描述: IC MCU 32BIT 128KB FLASH 64LQFP
標準包裝: 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/復位,DMA,LCD,POR,PWM,WDT
輸入/輸出數(shù): 53
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 8x12b,D/A 2x12b
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 64-TQFP
包裝: 標準包裝
其它名稱: 914-1028-6
...the world's most energy friendly microcontrollers
2011-02-04 - d0002_Rev1.00
103
www.energymicro.com
Handler
Field
Register description
SysTick
PRI_15
Each PRI_N field is 8 bits wide, but the EFM32 implements only bits[7:5] of each field, and bits[4:0] read
as zero and ignore writes.
4.3.9.1 System Handler Priority Register 1
The bit assignments are:
31
24 23
0
Reserved
PRI_6
PRI_5
PRI_4
16 15
8 7
Table 4.22. SHPR1 register bit assignments
Bits
Name
Function
[31:24]
PRI_7
Reserved
[23:16]
PRI_6
Priority of system handler 6, usage fault
[15:8]
PRI_5
Priority of system handler 5, bus fault
[7:0]
PRI_4
Priority of system handler 4, memory management fault
4.3.9.2 System Handler Priority Register 2
The bit assignments are:
31
24 23
0
PRI_11
Reserved
Table 4.23. SHPR2 register bit assignments
Bits
Name
Function
[31:24]
PRI_11
Priority of system handler 11, SVCall
[23:0]
-
Reserved
4.3.9.3 System Handler Priority Register 3
The bit assignments are:
PRI_15
31
15
0
16
24 23
PRI_14
Reserved
Table 4.24. SHPR3 register bit assignments
Bits
Name
Function
[31:24]
PRI_15
Priority of system handler 15, SysTick exception
[23:16]
PRI_14
Priority of system handler 14, PendSV
[15:0]
-
Reserved
4.3.10 System Handler Control and State Register
The SHCSR enables the system handlers, and indicates:
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