MAX32600 User’s Guide
Analog Front End
8.2 AFE Reconfiguration Matrix
Field
Bits
Default
Access
Description
dac_sel_d
23:22
00b
R/W
DAC Output Mux Select to dac_or3 Stage
MUX that selects 1 of 4 DAC outputs for internal signal DAC_or3, which can be further selected for the OPAMPD positive input, OPAMPD negative pad, or SNO3
pad via other MUX selections
• 2’d0: dac0 -
>
DAC_or3 (dac0 controlled by DAC0_sel)
• 2’d1: dac1 -
>
DAC_or3 (dac1 controlled by DAC1_sel)
• 2’d2: DAC2p1 -
>
DAC_or3
• 2’d3: DAC3p1 -
>
DAC_or3
AFE_CTRL4.npad_sel_a
Field
Bits
Default
Access
Description
npad_sel_a
25:24
00b
R/W
Pad Internal Connect to INA-
INA- pad select (states 1 and 3 connect two pads together leading to potentially large current flow)
• 2’d0: hiZ -
>
INA-
• 2’d1: LED Observe Port 0
<
-
>
INA-
• 2’d2: DAC_or0 -
>
INA-
• 2’d3: DAC_or0 -
>
INA-
<
-
>
LED Observe Port 0
AFE_CTRL4.npad_sel_b
Field
Bits
Default
Access
Description
npad_sel_b
27:26
00b
R/W
Pad Internal Connect to INB-
Rev.1.3 April 2015
Maxim Integrated
Page 395