5.5 Manufacturer ID Register

This register is used to identify the manufacturer of the device in order to perform manufacturer-specific operation. The Manufacturer ID for the MCP9808 is 0x0054 (hexadecimal). 

Table 5-6. Manufacturer ID Register – Read-only (→ Address ‘0000 0110’b)
R-0R-0R-0R-0R-0R-0R-0R-0
Manufacturer ID
bit 15bit 8
R-0R-1R-0R-1R-0R-1R-0R-0
Manufacturer ID
bit 7bit 0
R = Readable bitW = Writable bitU = Unimplemented bit, read as ‘0’
-n = Value at POR‘1’ = Bit is set‘0’ = Bit is clearedx = Bit is unknown
15-0Device Manufacturer Identification bits
Figure 5-6. Timing Diagram for Reading the Manufacturer ID Register (see Serial Communication).
Note: It is not necessary to select the Register Pointer if it was set from the previous read/write.