參數資料
型號: MC56F8355MFGE
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 數字信號處理
英文描述: 4-BIT, 120 MHz, OTHER DSP, PQFP128
封裝: ROHS COMPLIANT, PLASTIC, LQFP-128
文件頁數: 105/172頁
文件大小: 844K
代理商: MC56F8355MFGE
56F8355 Technical Data, Rev. 17
38
Freescale Semiconductor
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
EXT_BOOT = EMI_MODE = 0 and cannot be changed in the 56F8355 or 56F8155.
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 4-2 OMR MB/MA Value at Reset1
1. Information in shaded areas not applicable to 56F8355/56F8155.
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
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相關代理商/技術參數
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MC56F8356MFVE 功能描述:數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 數據總線寬度:16 bit 程序存儲器大小:16 KB 數據 RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數量:35 定時器數量:3 設備每秒兆指令數: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