ATSAML21E18A OPAMP registers The 5 registers of OPAMP (Operational Amplifier), from 0x43001800, with their reset value and every field. The ATSAML21E18A has 993 registers in 38 peripherals, one page each.
OPAMP Operational Amplifier CTRLAControl A
Address 0x43001800
Reset 0x00
Access read/write 7 LPMUX 6 – 5 – 4 – 3 – 2 – 1 ENABLE 0 SWRST 3 fields
Field Bits What it does LPMUX 7 Low-Power Mux ENABLE 1 Enable SWRST 0 Software Reset
STATUSStatus
Address 0x43001802
Reset 0x00
Access read only 7 – 6 – 5 – 4 – 3 – 2 READY2 1 READY1 0 READY0 3 fields
Field Bits What it does READY2 2 OPAMP 2 Ready READY1 1 OPAMP 1 Ready READY0 0 OPAMP 0 Ready
OPAMPCTRL0OPAMP Control n
Address 0x43001804
Reset 0x00000000
Access read/write
Size 32-bit 12 fields
Field Bits What it does MUXNEG 22:20 Negative Input Mux Selection MUXPOS 18:16 Positive Input Mux Selection POTMUX 15:13 Potentiometer Selection RES1MUX 12:11 Resistor 1 Mux RES1EN 10 Resistor 1 Enable RES2VCC 9 Resistor ladder To VCC RES2OUT 8 Resistor ladder To Output ONDEMAND 7 On Demand Control RUNSTDBY 6 Run in Standby BIAS 4:3 Bias Selection ANAOUT 2 Analog Output ENABLE 1 Operational Amplifier Enable
OPAMPCTRL1OPAMP Control n
Address 0x43001808
Reset 0x00000000
Access read/write
Size 32-bit 12 fields
Field Bits What it does MUXNEG 22:20 Negative Input Mux Selection MUXPOS 18:16 Positive Input Mux Selection POTMUX 15:13 Potentiometer Selection RES1MUX 12:11 Resistor 1 Mux RES1EN 10 Resistor 1 Enable RES2VCC 9 Resistor ladder To VCC RES2OUT 8 Resistor ladder To Output ONDEMAND 7 On Demand Control RUNSTDBY 6 Run in Standby BIAS 4:3 Bias Selection ANAOUT 2 Analog Output ENABLE 1 Operational Amplifier Enable
OPAMPCTRL2OPAMP Control n
Address 0x4300180C
Reset 0x00000000
Access read/write
Size 32-bit 12 fields
Field Bits What it does MUXNEG 22:20 Negative Input Mux Selection MUXPOS 18:16 Positive Input Mux Selection POTMUX 15:13 Potentiometer Selection RES1MUX 12:11 Resistor 1 Mux RES1EN 10 Resistor 1 Enable RES2VCC 9 Resistor ladder To VCC RES2OUT 8 Resistor ladder To Output ONDEMAND 7 On Demand Control RUNSTDBY 6 Run in Standby BIAS 4:3 Bias Selection ANAOUT 2 Analog Output ENABLE 1 Operational Amplifier Enable
BETA