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参数资料
型号： SAL-XC886CLM-8FFA5V
厂商： INFINEON TECHNOLOGIES AG
元件分类： 微控制器/微处理器
英文描述： 8-BIT, FLASH, 80 MHz, MICROCONTROLLER, PQFP48
封装： GREEN, PLASTIC, TQFP-48
文件页数： 88/134页
文件大小： 864K
代理商： SAL-XC886CLM-8FFA5V
SAL-XC886CLM
Functional Description
Data Sheet
50
V1.0, 2010-05
Table 18 shows the Flash data retention and endurance targets.
3.3.1
Flash Bank Sectorization
The SAL-XC886 product family offers Flash devices with either 24 Kbytes or 32 Kbytes
of embedded Flash memory. Each Flash device consists of Program Flash (P-Flash)
and Data Flash (D-Flash) bank(s) with different sectorization shown in Figure 10. Both
types can be used for code and data storage. The label “Data” neither implies that the
D-Flash is mapped to the data memory region, nor that it can only be used for data
storage. It is used to distinguish the different Flash bank sectorizations.
The 32-Kbyte Flash device consists of 6 P-Flash and 2 D-Flash banks, while the 24-
Kbyte Flash device consists of also of 6 P-Flash banks but with the upper 2 banks only
2 Kbytes each, and only 1 D-Flash bank.
The P-Flash banks are always grouped in pairs. As such, the P-Flash banks are also
sometimes referred to as P-Flash bank pair. Each sector in a P-Flash bank is grouped
with the corresponding sector from the other bank within a bank pair to form a P-Flash
bank pair sector.
Table 18
Flash Data Retention and Endurance (Operating Conditions apply)
Retention Endurance
1)
1) One cycle refers to the programming of all wordlines in a sector and erasing of sector. The Flash endurance
data specified in Table 18 is valid only if the following conditions are fulfilled:
- the maximum number of erase cycles per Flash sector must not exceed 100,000 cycles.
- the maximum number of erase cycles per Flash bank must not exceed 300,000 cycles.
- the maximum number of program cycles per Flash bank must not exceed 2,500,000 cycles.
Size
Remarks
T
A = -40 to
125
°C
T
A = 125 to
150
°C
Program Flash
20 years
1,000 cycles
up to 32 Kbytes
2)
2) If no Flash is used for data, the Program Flash size can be up to the maximum Flash size available in the
device variant. Having more Data Flash will mean less Flash is available for Program Flash.
for 32-Kbyte Variant
20 years
1,000 cycles
up to 24 Kbytes
2)
for 24-Kbyte Variant
Data Flash
20 years
1,000 cycles
3)
3) For
T
A = 125 to 150°C, refers to programming of second 8 bytes (bytes 8 to 15) per WL.
4 Kbytes
1 Kbyte
5 years
10,000 cycles
3)
1 Kbyte
256 bytes
2 years
70,000 cycles
3)
512 bytes
128 bytes
2 years
100,000 cycles
3)
128 bytes
32 bytes
相关PDF资料
PDF描述
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