參數(shù)資料
型號: MC56F8014MFAE
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 數(shù)字信號處理
英文描述: 0-BIT, 8 MHz, OTHER DSP, PQFP32
封裝: ROHS COMPLIANT, PLASTIC, LQFP-32
文件頁數(shù): 124/124頁
文件大小: 1681K
代理商: MC56F8014MFAE
Flash Memory Characteristics
56F8014 Technical Data, Rev. 11
Freescale Semiconductor
99
Figure 10-2 Input Signal Measurement References
Figure 10-3 shows the definitions of the following signal states:
Active state, when a bus or signal is driven, and enters a low impedance state
Tri-stated, when a bus or signal is placed in a high impedance state
Data Valid state, when a signal level has reached VOL or VOH
Data Invalid state, when a signal level is in transition between VOL and VOH
Figure 10-3 Signal States
10.4 Flash Memory Characteristics
Table 10-9 Flash Timing Parameters
Characteristic
Symbol
Min
Typ
Max
Unit
Program time1
1. There is additional overhead which is part of the programming sequence. See the 56F801X Peripheral Reference
Manual for details.
Tprog
20
40
μs
Erase time2
2. Specifies page erase time. There are 512 bytes per page in the Program Flash memory.
Terase
20
ms
Mass erase time
Tme
100
ms
VIH
VIL
Fall Time
Input Signal
Note: The midpoint is VIL + (VIH – VIL)/2.
Midpoint1
Low
High
90%
50%
10%
Rise Time
Data Invalid State
Data1
Data2 Valid
Data
Tri-stated
Data3 Valid
Data2
Data3
Data1 Valid
Data Active
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