## Release History
**[QPY_OCPU_V0003_EC800E_CNLC_FW] 2024-03-07**
* ZH
1. 修复开启热插拔，高电平检测，出现开机之后，插SIM卡 ,不识别sim卡问题
2. 默认关闭DNS 缓存机制
3. 增加半时区和NITZ关闭功能
4. 增加spi支持100k,200k,300k，400k时钟，spi输入时钟为26M，支持100k输出，分频系数为260
5. 增加增强型休眠功能


* EN
1. Fix the problem that the SIM card is not recognized when the sim card is inserted after the startup and the high level detection is enabled
2. Disable the DNS cache mechanism by default
3. Add the Half Time zone and NITZ Off functions
4. Add spi to support 100k,200k,300k, 400k clock, spi input clock is 26M, support 100k output, frequency division factor is 260
5. Add the enhanced sleep function


**[QPY_OCPU_V0002_EC800E_CNLC_FW] 2023-10-24**
* ZH
1. 解决热插拔功能，掉电不保存问题
2. 增加寄存器地址长度为0的IIC读写接口


* EN
1. Solve the problem that hot plug function does not save after power down
2. Add the IIC read and write interface with register address length 0


**[QPY_OCPU_V0001_EC800E_CNLC_FW] 2023-08-12**
* ZH
* 支持功能list
1. app_fota 
2. dataCall
3. fota
4. net
5. ntptime
6. pm
7. uio
8. ujson
9. umqtt
10. usocket
11. ussl
12. ftplib
13. _thread
14. utime
15. SecureData
16. log
17. sysbus
18. queue
19. sim
20. Pin
21. ExtInt
22. UART
23. SPI
24. IIC
25. Timer
26. RTC
27. Power
28. ADC 
29. cellLocator 
30. ucryptolib


* EN
* Support function list
1. app_fota 
2. dataCall
3. fota
4. net
5. ntptime
6. pm
7. uio
8. ujson
9. umqtt
10. usocket
11. ussl
12. ftplib
13. _thread
14. utime
15. SecureData
16. log
17. sysbus
18. queue
19. sim
20. Pin
21. ExtInt
22. UART
23. SPI
24. IIC
25. Timer
26. RTC
27. Power
28. ADC 
29. cellLocator 
30. ucryptolib


