参数资料
型号: SAK-XC2265M-72F80L
厂商: INFINEON TECHNOLOGIES AG
元件分类: 微控制器/微处理器
英文描述: 32-BIT, FLASH, 80 MHz, RISC MICROCONTROLLER, PQFP100
封装: 0.50 MM PITCH, GREEN, PLASTIC, LQFP-100
文件页数: 75/133页
文件大小: 1755K
代理商: SAK-XC2265M-72F80L
XC2268M/67M, XC2265M/64M/63M
XC2000 Family / Base Line
Functional Description
Data Sheet
46
V2.1, 2011-07
8 Kbytes of on-chip Stand-By SRAM (SBRAM) provide storage for system-relevant
user data that must be preserved while the major part of the device is powered down.
The SBRAM is accessed via a specific interface and is powered in domain M.
1024 bytes (2
× 512 bytes) of the address space are reserved for the Special Function
Register areas (SFR space and ESFR space). SFRs are word-wide registers which are
used to control and monitor functions of the different on-chip units. Unused SFR
addresses are reserved for future members of the XC2000 Family. In order to ensure
upward compatibility they should either not be accessed or written with zeros.
The on-chip Flash memory stores code, constant data, and control data. The on-chip
Flash memory consists of 1 module of 64 Kbytes (preferably for data storage) and
modules with a maximum capacity of 256 Kbytes each. Each module is organized in
sectors of 4 Kbytes.
The uppermost 4-Kbyte sector of segment 0 (located in Flash module 0) is used
internally to store operation control parameters and protection information.
Note: The actual size of the Flash memory depends on the chosen device type.
Each sector can be separately write protected
1), erased and programmed (in blocks of
128 Bytes). The complete Flash area can be read-protected. A user-defined password
sequence temporarily unlocks protected areas. The Flash modules combine 128-bit
read access with protected and efficient writing algorithms for programming and erasing.
Dynamic error correction provides extremely high read data security for all read access
operations. Access to different Flash modules can be executed in parallel.
For Flash parameters, please see Section 4.5.
Memory Content Protection
The contents of on-chip memories can be protected against soft errors (induced e.g. by
radiation) by activating the parity mechanism or the Error Correction Code (ECC).
The parity mechanism can detect a single-bit error and prevent the software from using
incorrect data or executing incorrect instructions.
The ECC mechanism can detect and automatically correct single-bit errors. This
supports the stable operation of the system.
It is strongly recommended to activate the ECC mechanism wherever possible because
this dramatically increases the robustness of an application against such soft errors.
1) To save control bits, sectors are clustered for protection purposes, they remain separate for
programming/erasing.
相关PDF资料
PDF描述
SAK-XC2263M-72F80L 32-BIT, FLASH, 80 MHz, RISC MICROCONTROLLER, PQFP100
SAK-XC2263M-56F80L 32-BIT, FLASH, 80 MHz, RISC MICROCONTROLLER, PQFP100
SAF-XC2263M-104F80L 32-BIT, FLASH, 80 MHz, RISC MICROCONTROLLER, PQFP100
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