Datasheet

Temperature ( C)° =
0.1447 0.145300-
0.00049
+ 25 = 23.78 C°
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Figure 18. Eight-Channel Read of Internal Temperature Data
The number 0.1447 V (on the y-axis) can be calculated as a temperature using Equation 2:
(2)
4.5.1 MV
DD
Input and the Scope Tab
The MV
DD
input option allows the measurement of the supply voltage V
S
= (AVDD + AVSS) / 2 for
channels 1, 2, 5, 6, 7, and 8; however, the supply voltage for channel 3 is DVDD / 2.
4.6 General-Purpose I/O Register (GPIO)
The GPIO registers control four general-purpose input and output (I/O) pins. Table 9 shows the respective
register to control these pins. Figure 19 illustrates the GPIO Control Register GUI panel.
Table 9. GPIO: General-Purpose I/O Register
Reset
Address Register Value Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
14h GPIO 0Fh GPIOD4 GPIOD3 GPIOD2 GPIOD1 GPIOC4 GPIOC3 GPIOC2 GPIOC1
20
Performance Demonstration Kit for the ADS130E08 SBAU202–June 2012
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