參數(shù)資料
型號： MC56F8355VFG60
廠商： MOTOROLA INC
元件分類： 數(shù)字信號處理
英文描述： 4-BIT, 120 MHz, OTHER DSP, PQFP128
封裝： LQFP-128
文件頁數(shù)： 80/152頁
文件大?。?/td> 2224K
代理商： MC56F8355VFG60
Program Map
56F8355 Technical Data
33
Preliminary
4.2 Program Map
The Program memory map is located in Table 4-4. The operating mode control bits (MA and MB)
in the Operating Mode Register (OMR) control the Program memory map. At reset, these bits are
set as indicated in Table 4-2.
EXT_BOOT = EMI_MODE = 0 and cannot be changed in the 56F8355.
After reset, the OMR MA bit can be changed and will have an effect on the P-space memory map,
as shown in Table 4-3. Changing the OMR MB bit will have no effect.
Table 4-4 shows the memory map options of the 56F8355. The two right columns cannot be used,
since the EMI pins are not provided in the package; therefore, only the Mode 0 column is relevant.
Table 4-2 OMR MB/MA Value at Reset1
1.
Information in shaded areas not applicable to 56F8355.
OMR MB =
Flash Secured
State2,3
2.
This bit is only configured at reset. If the Flash secured state changes, this will not be reflected in MB until the next reset.
3.
Changing MB in software will not affect Flash memory security.
OMR MA =
EXTBOOT Pin
Chip Operating Mode
0
Mode 0 – Internal Boot; EMI is configured to use 16 address lines; Flash
Memory is secured; external P-space is not allowed; the EOnCE is disabled
0
1
Not valid; cannot boot externally if the Flash is secured and will actually
configure to 00 state
1
0
Mode 0 – Internal Boot; EMI is configured to use 16 address lines
1
Mode 1 – External Boot; Flash Memory is not secured; EMI configuration is
determined by the state of the EMI_MODE pin
Table 4-3 Changing OMR MA Value During Normal Operation
OMR MA
Chip Operating Mode
0
Use internal P-space memory map configuration
11
1.
Setting this bit can cause unpredictable results and is not recommended, since the EMI is not functional in this package.
Use external P-space memory map configuration – If MB = 0 at reset, changing this bit has no
effect.
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相關代理商/技術參數(shù)
參數(shù)描述
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MC56F8356 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:56F8356 16-bit Hybrid Controller
MC56F8356MFV60 制造商:Rochester Electronics LLC 功能描述:- Bulk
MC56F8356MFVE 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC 16 BIT HYBRID CONTROLLER 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 安裝風格:SMD/SMT
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