The lock bit enables and disables the writing of the TIACN and the REFCN registers. In order to change the
content of the TIACN and the REFCN registers the lock bit needs to be set to “0”.
Bit Name Function
[7:1] RESERVED Write protection
0 LOCK 0 Registers 0x10, 0x11 in write mode
0 LOCK 1 Registers 0x10, 0x11 in read only mode (default)
TIACN REFCN 寄存器配置好了,然后锁定好。断电,再上电 TIACN REFCN 上次配置的值还在不啊???
frood henry:
发现有锁不住的情况!
Hawk Tong:
回复 frood henry:
掉电后再上电寄存器恢复默认值。每次上电时、或者复位重启后需要重新设置。该器件没有NVRAM不可以自动记忆上次配置。