參數(shù)資料
型號(hào): MPC5533MZQ66
廠商: FREESCALE SEMICONDUCTOR INC
元件分類(lèi): 微控制器/微處理器
英文描述: FLASH, 66 MHz, MICROCONTROLLER, PBGA324
封裝: 23 X 23 MM, 1 MM PITCH, MO-034AAJ-1, PLASTIC, TEPBGA-324
文件頁(yè)數(shù): 17/50頁(yè)
文件大?。?/td> 1080K
代理商: MPC5533MZQ66
MPC5533 Microcontroller Data Sheet, Rev. 0.0
Electrical Characteristics
Freescale Semiconductor
24
Table 16 shows the FLASH_BIU settings versus frequency of operation. Refer to the device reference
manual for definitions of these bit fields.
Table 16. FLASH_BIU Settings vs. Frequency of Operation1
1 Illegal combinations exist. Use entries from the same row in this table.
Target Maximum Frequency (MHz)
APC
RWSC
WWSC
DPFEN 2
2 For maximum flash performance, set to 0b1.
IPFEN 2
PFLIM 3
3 For maximum flash performance, set to 0b010.
BFEN 2
Up to and including 27 MHz 4, 5
4 27 MHz parts allow for 25 MHz system clock + 2% frequency modulation (FM).
5 The APC, RWSC, and WWSC combination requires setting the PRD bit to 1 in the flash MCR register.
0b000
0b000
0b01
0b0
0b1
0b0
0b1
0b000
to
0b010
0b0
0b1
Up to and including 52 MHz 6
6 52 MHz parts allow for 50 MHz system clock + 2% FM.
0b001
0b01
0b0
0b1
0b0
0b1
0b000
to
0b010
0b0
0b1
Up to and including 77 MHz 7
7 77 MHz parts allow for 75 MHz system clock + 2% FM.
0b010
0b01
0b0
0b1
0b0
0b1
0b000
to
0b010
0b0
0b1
Up to and including 82 MHz 8
8 82 MHz parts allow for 80 MHz system clock + 2% FM.
0b011
0b01
0b0
0b1
0b0
0b1
0b000
to
0b010
0b0
0b1
Reset values:
0b111
0b11
0b0
0b000
0b0
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