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310 11. I C BUS PROJECTS
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FIG. 11.6 Program PDL.
Pointer
register
Temperature
register
SCL
Configuration
register
I/O
control
interface
T LOW
register
SDA
T HIGH
register
FIG. 11.7 TMP102 registers.
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accuracy of 0.5°C. The device has a 12-bit resolution and is I C, Two-Wire, and SMBus com-
patible. TMP102 can have four different device addresses and hence up to four such devices
can be connected to the bus. The programming model of the device is shown in Fig. 11.7.
The Pointer Register is used to select the register to be configured and it selects the other reg-
isters as follows:
