Register 1 of BLOCK2.
| MAC_ID_HIGH | Store the bit [31:47] of MAC. |
| WAFER_VERSION | Store wafer version. |
| PKG_VERSION | Store package version. |
| BLK2_EFUSE_VERSION | Store efuse version. |
| RF_REF_I_BIAS_CONFIG | Store rf configuration parameters. |
| LDO_VOL_BIAS_CONFIG_LOW | Store the bit [0:2] of ido configuration parameters. |