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參數(shù)資料
| 型號(hào)： | XC866L-4RR |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 元件分類(lèi)： | 8位微控制器 |
| 英文描述： | 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash |
| 中文描述： | 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存 |
| 文件頁(yè)數(shù)： | 38/108頁(yè) |
| 文件大?。?/td> | 979K |
| 代理商： | XC866L-4RR |
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XC866
Functional Description
Data Sheet
34
V1.0, 2006-02
3.3
Flash Memory
The Flash memory provides an embedded user-programmable non-volatile memory,
allowing fast and reliable storage of user code and data. It is operated from a single 2.5 V
supply from the Embedded Voltage Regulator (EVR) and does not require additional
programming or erasing voltage. The sectorization of the Flash memory allows each
sector to be erased independently.
Features:
In-System Programming (ISP) via UART
In-Application Programming (IAP)
Error Correction Code (ECC) for dynamic correction of single-bit errors
Background program and erase operations for CPU load minimization
Support for aborting erase operation
32-byte minimum program width
1)
1-sector minimum erase width
1-byte read access
121.6 ns minimum read access time (3 × t
CCLK
@ f
CCLK
= 26.7 MHz ± 7.5 %
2)
)
Operating supply voltage: 2.5 V ± 7.5 %
Program time: 2.3 ms
3)
Erase time: 120 ms
3)
1)
P-Flash: 32-byte wordline can only be programmed once, i.e., one gate disturb allowed.
D-Flash: 32-byte wordline can be programmed twice, i.e., two gate disturbs allowed.
2)
f
sys
= 80 MHz ± 7.5% (f
= 26.7 MHz ± 7.5 %) is the maximum frequency range for Flash read access.
3)
f
= 80 MHz ± 7.5% is the only frequency range for Flash programming and erasing. f
sysmin
is used for
obtaining the worst case timing.
4)
Specification with 0.2ppm error rate.
5)
One cycle refers to the programming of all wordlines in a sector and erasing of the sector.
Table 13
Flash Data Retention and Endurance Targets
Retention up to
Endurance up to
Programming
Temperature
0 – 100°C
-40 – 125°C
-40 – 125°C
-40 – 125°C
Size
20 years
4)
5 years
4)
2 years
4)
2 years
4)
1,000 cycles
5)
10,000 cycles
5)
70,000 cycles
5)
100,000 cycles
5)
15 Kbytes
896 bytes
512 bytes
128 bytes
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