【MC9S12G128 memory】
发布时间：2023-09-08 18:30
MC9S12G128 EEPROM 和 内置Flash
- 简介
- 方框图
- Memory Map:
- 寄存器描述
-
- Flash 加密寄存器（FSEC）
- Flash CCOB 索引寄存器
- Flash Configuration Register
- Flash Error Configuration Register
- Flash Status Register
- Flash Error Status Register
- P-Flash Protection Register
- EEPRO Protection Register
- Flash Common Command Object Register
- Flash ReservedX Register
- Flash Option Register
- Flash 命令操作
-
- Flash 命令操写入顺序流程图
- Valid Flash Module Commands
- P-Flash Commands
- EEPROM Commands
简介
MC9S12G128 Memory：
- 128Kbytes P-Flash(Program Flash) memory
- 4Kbytes EEPROM memory
- 8Kbyte RAM
方框图
![\"【MC9S12G128](\"https://img.it610.com/image/info8/af789117c0fe448898ef1a60d60fa02a.jpg\")
Memory Map:
![\"【MC9S12G128](\"https://img.it610.com/image/info8/5349a4beca8046fdacdcf8ffb20c4da4.jpg\")
![\"【MC9S12G128](\"https://img.it610.com/image/info8/8a7f95cdd0f240afb195f91a56b86d1e.jpg\")
![\"【MC9S12G128](\"https://img.it610.com/image/info8/079f10f8eca349e29fe21978d8e26a98.jpg\")
![\"【MC9S12G128](\"https://img.it610.com/image/info8/adae0e0ad3eb47dab713f154226008e4.jpg\")
![\"【MC9S12G128](\"https://img.it610.com/image/info8/bab89d61579a4d108f137b438907673f.jpg\")
寄存器描述
注：通过HIWAVE工具可以方便查看调试，包括（寄存器，EEPROM，P-Flash）等内容。
![\"【MC9S12G128](\"https://img.it610.com/image/info8/551bd469a53b4e40b6fb5a00fcd49ab4.jpg\")
![\"【MC9S12G128](\"https://img.it610.com/image/info8/8b56b2db1bca440e98f2b35a7b2e6a1d.jpg\")
![\"【MC9S12G128](\"https://img.it610.com/image/info8/855b0b0a2ea24811918be1716d17c7a1.jpg\")
![\"【MC9S12G128](\"https://img.it610.com/image/info8/92c98c35080148f6883b97a8bb1c955d.jpg\")
![\"【MC9S12G128](\"https://img.it610.com/image/info8/f89dc9a42113474bb493701a3bc90155.jpg\")
Flash 加密寄存器（FSEC）
![\"【MC9S12G128](\"https://img.it610.com/image/info8/3378dc102a304324b34ff67cba85b63f.jpg\")
Flash加密字节配置：全局地址0x3_FF0F
![\"【MC9S12G128](\"https://img.it610.com/image/info8/d93ef8e581a346a5b12259cf027dca8d.jpg\")
Flash CCOB 索引寄存器
![\"【MC9S12G128](\"https://img.it610.com/image/info8/8a03d1f3b3ba44ef8011eed60e70aeda.jpg\")
Flash Configuration Register
![\"【MC9S12G128](\"https://img.it610.com/image/info8/261e13ed38af4550bae7379fdc4aa406.jpg\")
Flash Error Configuration Register
![\"【MC9S12G128](\"https://img.it610.com/image/info8/6727f4c32c464936842740ecb746637c.jpg\")
Flash Status Register
![\"【MC9S12G128](\"https://img.it610.com/image/info8/782f51a026ed4bc29ea82037c56933cf.jpg\")
Flash Error Status Register
![\"【MC9S12G128](\"https://img.it610.com/image/info8/36de21ba157a40d5937cfd39a26dc1c8.jpg\")
P-Flash Protection Register
![\"【MC9S12G128](\"https://img.it610.com/image/info8/83eb8cc8defd47759110b5fc7fcb7fd6.jpg\")
![\"【MC9S12G128](\"https://img.it610.com/image/info8/583cdbe61d4b42b499fa422d716a1854.jpg\")
![\"【MC9S12G128](\"https://img.it610.com/image/info8/7deb15c8c9c842fca22253532319c73e.jpg\")
![\"【MC9S12G128](\"https://img.it610.com/image/info8/ba54343bbee240b0897f69de57bdb383.jpg\")
EEPRO Protection Register
![\"【MC9S12G128](\"https://img.it610.com/image/info8/3c3ac9ac69e2489bb4289f14474e0cd0.jpg\")
Flash Common Command Object Register
![\"【MC9S12G128](\"https://img.it610.com/image/info8/e70a5615d6e447ee854d3b84188ac6b0.jpg\")
Flash ReservedX Register
![\"【MC9S12G128](\"https://img.it610.com/image/info8/820be77a490443109a1f4f99fae63897.jpg\")
![\"【MC9S12G128](\"https://img.it610.com/image/info8/946876b1b03649848acb20b0281927d3.jpg\")
![\"【MC9S12G128](\"https://img.it610.com/image/info8/2121d4062652427b8290e99ae28e865a.jpg\")
![\"【MC9S12G128](\"https://img.it610.com/image/info8/6f0fda34fbc241128db1fc5facc718b4.jpg\")
Flash Option Register
![\"【MC9S12G128](\"https://img.it610.com/image/info8/e4ca81b8cfb848178b9f26fadde794eb.jpg\")
Flash 命令操作
Flash命令操作用于修改Flash存储内容。
下面是部分描述：
- 如何设置FCLKDIV寄存器，使得目标FCLK频率在1MHz，FCLK是通过BUSCLK分频后得到。
- 命令写顺序：设置命令参数然后启动执行命令。
- 有效的Flash命令才能执行。
Flash 命令操写入顺序流程图
![\"【MC9S12G128](\"https://img.it610.com/image/info8/6d1b8f6e29b842b5ab9582ceb8909200.jpg\")
Valid Flash Module Commands
![\"【MC9S12G128](\"https://img.it610.com/image/info8/f4eb570603144dd4946728f40d013aa2.jpg\")
P-Flash Commands
![\"【MC9S12G128](\"https://img.it610.com/image/info8/f0e9b724269d4a27b580655d38c478cc.jpg\")
EEPROM Commands
![\"【MC9S12G128](\"https://img.it610.com/image/info8/ee30052287d9484a9d45599a10feb179.jpg\")