44.6.6 OPAxHWC

Operational Amplifier Hardware Control Options Register
Name: OPAxHWC
Address: 0x124,0x12C

Bit 76543210 
 ORENHWCH[2:0]ORPOLHWCL[2:0] 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset 00000000 

Bit 7 – OREN Override Enable

ValueDescription
1Hardware Override Control is enabled. OPA mode of operation is configured using the HWCH / HWCL bits.
0Hardware Override Control is disabled. OPA mode of operation must be configured by use in firmware.

Bits 6:4 – HWCH[2:0] Hardware Control Configuration High

ValueDescription
111Rail Drive to VDD
110Trough detect configuration with unity-gain feedback
101Peak detect configuration with unity-gain feedback
100Basic OPA configuration with unity-gain feedback
011OPAxOUT is tri-stated
010Trough detect configuration with user-defined feedback
001Peak detect configuration with user-defined feedback
000Basic OPA configuration with user-defined feedback

Bit 3 – ORPOL Override Source Polarity

ValueDescription
1Hardware Control Input is Inverted (Active-Low)
0Hardware Control Input is not Inverted (Active-High)

Bits 2:0 – HWCL[2:0] Hardware Control Configuration Low

ValueDescription
111Rail Drive to VSS
110Trough detect configuration with unity-gain feedback
101Peak detect configuration with unity-gain feedback
100Basic OPA configuration with unity-gain feedback
011OPAxOUT is tri-stated
010Trough detect configuration with user-defined feedback
001Peak detect configuration with user-defined feedback
000Basic OPA configuration with user-defined feedback