參數(shù)資料
型號: ADSP-BF504KCPZ-4
廠商: Analog Devices Inc
文件頁數(shù): 49/80頁
文件大?。?/td> 0K
描述: IC CCD SIGNAL PROCESSOR 88LFCSP
視頻文件: Blackfin? BF50x Processor Family
標準包裝: 1
系列: Blackfin®
類型: 定點
接口: CAN,EBI/EMI,I²C,IrDA,PPI,SPI,SPORT,UART/USART
時鐘速率: 400MHz
非易失內(nèi)存: 外部
芯片上RAM: 68kB
電壓 - 輸入/輸出: 1.8V,2.5V,3.3V
電壓 - 核心: 1.31V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 88-VFQFN 裸露焊盤,CSP
供應(yīng)商設(shè)備封裝: 88-LFCSP(12x12)
包裝: 托盤
Rev. A
|
Page 53 of 80
|
July 2011
ADSP-BF504/ADSP-BF504F/ADSP-BF506F
FLASH—SPECIFICATIONS
Specifications subject to change without notice.
FLASH—PROGRAM AND ERASE TIMES AND ENDURANCE CYCLES
The program and erase times and the number of program/ erase
cycles per block are shown in Table 45. Exact erase times may
change depending on the memory array condition. The best
case is when all the bits in the block or bank are at ‘0’
(pre programmed). The worst case is when all the bits in the
block or bank are at ‘1’ (not pre programmed). Usually, the
system overhead is negligible with respect to the erase time.
FLASH—ABSOLUTE MAXIMUM RATINGS
Table 46 shows the ADC absolute maximum ratings.
Table 45. Program/Erase Times and Endurance Cycles
Parameter
Condition
Typical
After 100k
Write/Erase
Cycles
Max
Unit
Erase
Parameter Block (4K word)
1
0.31
2.5s
Erase
Main Block (32K word)—preprogrammed
0.8
3
4
s
Erase
Main Block (32K word)—not preprogrammed
1
4
s
Program2
Word
12
100
μs
Program
Parameter Block (4K word)
40
ms
Program
Main Block (32K word)
300
ms
Suspend Latency
Program
5
10
μs
Suspend Latency
Erase
5
20
μs
Program/Erase Cycles (per Block)
Main Blocks
100,000
Cycles
Program/Erase Cycles (per Block)
Parameter Blocks
100,000
Cycles
1 The difference between pre programmed and not pre programmed is not significant (< 30 ms).
2 Values are liable to change with the external system-level overhead (command sequence and Status Register polling execution).
Table 46. Flash Absolute Maximum Ratings
Parameter
Rating
Junction Temperature While Biased
Storage Temperature Range
Flash Memory Supply Voltage (VDDFLASH) –0.2 V to +2.45 V
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