
39
11050A–PMAAC–07-Apr-10
AT73C246
Figure 11-9. Measurement Bridge and 10-bit ADC Block Diagram.
VREFP
ADC
V
INSYS
VDD0
VDD1
VDD2
VDD3
VDD4
ANA0
ANA1
ANA2
ANA3
ADC_ANA0_MSB
ADC_ANA0_LSB
ADC_ANA_LSB
0
0
0
TWI Registers
ADCOUT <9:0>
VREFN
VDDC
VREFP
GNDSYS
BUFFER
0x30
ADC_CTRL
0x31
ADC_MUX_1
0x32
ADC_MUX_2
MUX
10 1
10-channel
resistive attenuator
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