Rainbow Electronics AT73C246 - Manual (Page 39)

39
11050A–PMAAC–07-Apr-10
AT73C246
Figure 11-9. Measurement Bridge and 10-bit ADC Block Diagram.
V REFP
ADC
V INSYS
V DD0
V DD1
V DD2
V DD3
V DD4
ANA0
ANA1
ANA2
ANA3
ADC_ANA0_MSB
ADC_ANA0_LSB
ADC_ANA_LSB
0
0
0
TWI Registers
ADCOUT <9:0>
V REFN
V DDC
V REFP
GNDSYS
BUFFER
0x30 ADC_CTRL
0x31 ADC_MUX_1
0x32 ADC_MUX_2
MUX
10 1
10-channel
resistiv
e atten
uator