參數(shù)資料
型號： MC56F8036VLF
廠商： Freescale Semiconductor
文件頁數(shù)： 118/164頁
文件大?。?/td> 0K
描述： IC DGTL SGNL CTLR 16BIT 48-LQFP
標(biāo)準(zhǔn)包裝： 1,250
系列： 56F8xxx
核心處理器： 56800E
芯體尺寸： 16-位
速度： 32MHz
連通性： CAN，I²C，SCI，SPI
外圍設(shè)備： POR，PWM，WDT
輸入/輸出數(shù)： 39
程序存儲器容量： 64KB（32K x 16）
程序存儲器類型： 閃存
RAM 容量： 4K x 16
電壓 - 電源 (Vcc/Vdd)： 3 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 10x12b; D/A 2x12b
振蕩器型： 內(nèi)部
工作溫度： -40°C ~ 105°C
封裝/外殼： 48-LQFP
包裝： 托盤
產(chǎn)品目錄頁面： 734 (CN2011-ZH PDF)
Functional Description
56F8036 Data Sheet, Rev. 6
Freescale Semiconductor
57
5.3.1
Normal Interrupt Handling
Once the INTC has determined that an interrupt is to be serviced and which interrupt has the highest
priority, an interrupt vector address is generated. Normal interrupt handling concatenates the Vector Base
Address (VBA) and the vector number to determine the vector address, generating an offset into the vector
table for each interrupt.
5.3.2
Interrupt Nesting
Interrupt exceptions may be nested to allow an IRQ of higher priority than the current exception to be
serviced. The 56800E core controls the masking of interrupt priority levels it will accept by setting the I0
and I1 bits in its status register.
The IPIC bits of the ICTRL register reflect the state of the priority level being presented to the 56800E
core.
5.3.3
Fast Interrupt Handling
Fast interrupts are described in the DSP56800E Reference Manual. The interrupt controller recognizes
Fast Interrupts before the core does.
A Fast Interrupt is defined (to the ITCN) by:
1. Setting the priority of the interrupt as level 2, with the appropriate field in the IPR registers
2. Setting the FIMn register to the appropriate vector number
3. Setting the FIVALn and FIVAHn registers with the address of the code for the
Fast Interrupt
Table 5-1 Interrupt Mask Bit Definition
SR[9] (I1)
SR[8] (I0)
Exceptions Permitted
Exceptions Masked
0
Priorities 0, 1, 2, 3
None
0
1
Priorities 1, 2, 3
Priority 0
1
0
Priorities 2, 3
Priorities 0, 1
1
Priority 3
Priorities 0, 1, 2
Table 5-2 Interrupt Priority Encoding
IPIC_VALUE[1:0]
Current Interrupt
Priority Level
Required Nested
Exception Priority
00
No interrupt or SWILP
Priorities 0, 1, 2, 3
01
Priority 0
Priorities 1, 2, 3
10
Priority 1
Priorities 2, 3
11
Priority 2 or 3
Priority 3
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC56F8036VLF 制造商:Freescale Semiconductor 功能描述:IC DSC 64KB 32MHZ 3.6V LQFP-48
MC56F8037 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:16-bit Digital Signal Controllers
MC56F8037EVM 功能描述:開發(fā)板和工具包 - 其他處理器 MC56F8037 EVAL BOARD RoHS:否 制造商:Freescale Semiconductor 產(chǎn)品:Development Systems 工具用于評估:P3041 核心:e500mc 接口類型:I2C, SPI, USB 工作電源電壓:
MC56F8037EVM 制造商:Freescale Semiconductor 功能描述:MC56F8037 EVALUATION BRD
MC56F8037MLH 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC 16 BIT DSPHC RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT
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