參數(shù)資料
型號: SAK-XC2768X-136F128L
廠商: INFINEON TECHNOLOGIES AG
元件分類: 微控制器/微處理器
英文描述: 32-BIT, FLASH, 128 MHz, RISC MICROCONTROLLER, PQFP100
封裝: 0.50 MM PITCH, GREEN, PLASTIC, LQFP-100
文件頁數(shù): 130/131頁
文件大?。?/td> 1711K
代理商: SAK-XC2768X-136F128L
XC2768X
XC2000 Family Derivatives / Premium Line
Electrical Parameters
Preliminary
Data Sheet
98
V1.0, 2010-12
Access to the XC2768X Flash modules is controlled by the IMB. Built-in prefetch
mechanisms optimize the performance for sequential access.
Flash access waitstates only affect non-sequential access. Due to prefetch
mechanisms, the performance for sequential access (depending on the software
structure) is only partially influenced by waitstates.
Flash access via the cacheable Flash address space requires one additional waitstate
in case of a cache miss, while the cache access (in case of a cache hit) requires no
waitstate at all.
Number of erase cycles
N
Er SR
15 000 cycle
s
t
RET ≥ 5years;
Valid for up to
64 user-
selected
sectors (data
storage)
1 000
cycle
s
t
RET ≥ 20 years
1) All Flash module(s) can be erased/programmed while code is executed and/or data is read from only one
Flash module or from PSRAM. The Flash module that delivers code/data can, of course, not be
erased/programmed.
2) Flash module 4 can be erased/programmed while code is executed and/or data is read from any other Flash
module.
3) Value of IMB_IMBCTRL.WSFLASH.
4) Value of IMB_IMBCTRL.WSFLE.
5) Programming and erase times depend on the internal Flash clock source. The control state machine needs a
few system clock cycles. This increases the stated durations noticably only at extremely low system clock
frequencies.
Table 25
Flash Parameters (cont’d)
Parameter
Symbol
Values
Unit
Note /
Test Condition
Min.
Typ.
Max.
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