參數(shù)資料
型號: EFM32TG222F32
廠商: Energy Micro
文件頁數(shù): 129/136頁
文件大?。?/td> 0K
描述: IC MCU 32BIT 32KB FLASH 48LQFP
特色產(chǎn)品: EFM32 Tiny Gecko
標準包裝: 1
系列: Tiny 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
外圍設備: 欠壓檢測/復位,DMA,I²S,POR,PWM,WDT
輸入/輸出數(shù): 37
程序存儲器容量: 32KB(32K x 8)
程序存儲器類型: 閃存
RAM 容量: 4K x 8
電壓 - 電源 (Vcc/Vdd): 1.8 V ~ 3.8 V
數(shù)據(jù)轉換器: A/D 4x12b,D/A 1x12b
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 48-TQFP
包裝: 標準包裝
其它名稱: 914-1029-6
...the world's most energy friendly microcontrollers
2011-02-04 - d0002_Rev1.00
92
www.energymicro.com
ACTIVE bit s
31
0
Table 4.8. IABR bit assignments
Bits
Name
Function
[31:0]
ACTIVE
Interrupt active flags:
0 = interrupt not active
1 = interrupt active.
A bit reads as one if the status of the corresponding interrupt is active or active and pending.
4.2.7 Interrupt Priority Registers
The IPR0-IPRm registers provide an 3-bit priority field for each interrupt. These registers are byte-
accessible. See the register summary in Table 4.2 (p. 88) for their attributes. Each register holds
four priority fields, that map to four elements in the CMSIS interrupt priority array IP[0] to IP[n-1],
as shown:
IP[ n-1]
31
24 23
16 15
8 7
0
IP[ n-2]
IP[ n-3]
IPRm
IP[ 4k+ 3]
IP[ 4k+ 2]
IP[ 4k+ 1]
IP[ 4k]
IPRk
IP[ 3]
IP[ 2]
IP[ 1]
IP[ 0]
IPR0
.
Table 4.9. IPR bit assignments
Bits
Name
Function
[31:24]
Priority, byte offset 3
[23:16]
Priority, byte offset 2
[15:8]
Priority, byte offset 1
[7:0]
Priority, byte offset 0
Each priority field holds a priority value, 0-7. The lower the value, the greater the
priority of the corresponding interrupt. Only bits[7:5] of each field are implemented,
bits[4:0] read as zero and ignore writes.
See Section 4.2.1 (p. 89) for more information about the IP[0] to IP[n-1] interrupt priority array,
that provides the software view of the interrupt priorities.
Find the IPR number and byte offset for interrupt N (n, the maximum number for N is given by Table 1.1 (p.
5) and subtracted by 1) as follows:
the corresponding IPR number, k, is given by k = N DIV 4
the byte offset of the required Priority field in this register is N MOD 4, where:
byte offset 0 refers to register bits[7:0]
byte offset 1 refers to register bits[15:8]
相關PDF資料
PDF描述
DB9-USB-D5-M MOD USB UART EMBDED 5V MALE
DB9-USB-D3-M MOD USB UART EMBDED 3.3V MALE
3E106-2230KV CONN PLUG IEEE 1394 R/A UPRIGHT
DB9-USB-D5-F MOD USB UART EMBDED 5V FEMAL
XM4M-2432-5012 CONN DVI 24POS 1.5A 40V DIGITAL
相關代理商/技術參數(shù)
參數(shù)描述
EFM32TG222F32-QFP48 制造商:Energy Micro AS 功能描述:TINY GECKO MCU - Tape and Reel 制造商:Energy Micro AS 功能描述:IC MCU 32BIT 32KB FLASH 48TQFP
EFM32TG222F32-QFP48T 制造商:Energy Micro AS 功能描述:TINY GECKO MCU - Trays
EFM32TG222F32-QFP48-T 制造商:Energy Micro AS 功能描述:IC MCU 32BIT 32KB FLASH 48TQFP
EFM32-TG222F32-SK 功能描述:IC MICRO KIT GECKO 48LQFP RoHS:是 類別:套件 >> 半導體產(chǎn)品 - IC 元件分類 系列:Tiny Gecko 其它有關文件:NXPLOGIC2-KIT-ND Contents 標準包裝:1 系列:74AUP 套件類型:邏輯 值:180 件 - 18 種值各 10 件 包裝:- 安裝類型:表面貼裝 包括封裝:6-XSON,8-XSON,8-XQFN 產(chǎn)品目錄頁面:2653 (CN2011-ZH PDF) 工具箱內容:(10) 568-4391-1-ND - IC GATE MULT-FUNC CONFIG 6-XSON(10) 568-4390-1-ND - IC CONFIG MULT-FUNC GATE 6-XSON(10) 568-4389-1-ND - IC GATE DUAL FUNCTION 8-XSON(10) 568-4388-1-ND - IC GATE DUAL FUNCTION 8-XQFN(10) 568-4387-1-ND - IC F-F D-TYPE POS EDGE 8-XSON(10) 568-4386-1-ND - IC F-F D-TYPE POS EDGE 8-XQFN(10) 568-4385-1-ND - IC CONFIG MULTI-FUNC GATE 6-XSON(10) 568-4384-1-ND - IC EX-OR GATE 3-IN 6-XSON(10) 568-4383-1-ND - IC F-F D-TYPE POS EDGE 6-XSON(10) 568-4382-1-ND - IC LATCH D-TYPE 6-XSON更多... 其它名稱:NXPLOGIC2-KIT
EFM32TG222F32-T 制造商:Energy Micro AS 功能描述:IC MCU 32BIT 32KB FLASH 48TQFP