ADT7476A
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14
In this mode, the ADT7476A can only read a single voltage
channel. The selected voltage input is read every 0.7 ms. The
appropriate ADC channel is selected by writing to Bits [7:5]
of the TACH1 minimum high byte register (0x55).
Table 12. PROGRAMMING SINGLE-CHANNEL
ADC MODE
Bits [7:4], Register 0x55
Channel Selected (Note 1)
000
2.5 V
001
V
CCP
010
V
CC
011
5.0 V
100
12 V
101
Remote 1 Temperature
110
Local Temperature
111
Remote 2 Temperature
1. In the process of configuring single-channel ADC conversion
mode, the TACH1 minimum high byte is also changed, possibly
trading off TACH1 minimum high byte functionality with
single-channel mode functionality.
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