5.7 Resolution Register

This register allows the user to change the sensor resolution (see Temperature Resolution). The POR default resolution is +0.0625°C. The selected resolution is also reflected in the Capability register (see Table 5-3). 

Table 5-8. Resolution Register (→ Address ‘0000 1000’b)
U-0U-0U-0U-0U-0U-0R/W-1R/W-1
Resolution
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
7-2Unimplemented: Read as ‘0
1-0Resolution bits

00 = +0.5°C (tCONV = 30 ms typical)

01 = +0.25°C (tCONV = 65 ms typical)

10 = +0.125°C (tCONV = 130 ms typical)

11 = +0.0625°C (power-up default, tCONV = 250 ms typical)

Figure 5-8. Timing Diagram for Changing TA Resolution to +0.0625°C <0000 0011>b (see Serial Communication).