PRELIMINARYQPC1251QBROADBAND HIGH LINEARITY e-CALL ANTENNA ROUTING SWITCHReg31 (0x1F) ─ MANUFACTURER_US_IDBit(s)Field NameDescriptionResetB/GTrigR/W Upper four bits of MIPI Manufacturer ID Note: This is a read-only register. However, as part of the special 7:4 MFG_ID[11:8] 0x3 No No R programming sequence for writing USID, a write command sequence is performed on this register, but does not update it. See MIPI 6.6.2 for details. Programmable Unique Slave ID 3:0 USID[3:0] 0xA No No R/W Note: USID is only writeable using a special programming sequence. See MIPI 6.6.2 for details. Reg32 (0x20) ─ EXT_PRODUCT_IDBit(s)Field NameDescriptionResetB/GTrigR/W Upper eight bits of Product Number Note: These are read-only registers. However, as part of the special 7:0 EXT_PROD_ID[15:8] 0x00 No No R programming sequence for writing USID, a write command sequence is performed on one or both registers, but does not update them. See MIPI 6.6.2 for details. Reg34 (0x22) ─ GROUP_ID2Bit(s)Field NameDescriptionResetB/GTrigR/W 7:4 GSID0[3:0] Group Slave ID0 0x0 No No R/W 3:0 GSID1[3:0] Group Slave ID1 0x0 No No R/W Reg35 (0x23) ─ UDR_RSTBit(s)Field NameDescriptionResetB/GTrigR/W Setting this bit initiates a software reset 7 SW_RESET[7] 0 B/G No R/W Note: On software reset, this register and all User Defined registers (UDRs) are reset. This bit will always read as 0. 6:0 RESERVED 0x00 No No R/W QPC1251Q Preliminary DS JUN7,2020 | Subject to change without notice 9 of 17 www.qorvo.com