User manual

OA Registers
16-12 OA
OAxCTL0, Opamp Control Register 0
76543210
OANx OAPx OAPMx OAADC1 OAADC0
rw−0 rw−0 rw−0 rw−0 rw−0 rw−0 rw−0 rw−0
OANx
Bits
7-6
Inverting input select. These bits select the input signal for the OA inverting
input.
00 OAxI0
01 OAxI1
10 DAC0 internal
11 DAC1 internal
OAPx
Bits
5-4
Non-inverting input select. These bits select the input signal for the OA
non-inverting input.
00 OAxI0
01 OA0I1
10 DAC0 internal
11 DAC1 internal
OAPMx
Bits
3-2
Slew rate select These bits select the slew rate vs. current consumption for
the OA.
00 Off, output high Z
01 Slow
10 Medium
11 Fast
OAADC1
Bit 1 OA output select. This bit connects the OAx output to ADC12 input Ax and
output pin OAxO when OAFCx > 0.
0 OAx output not connected to A1 (OA0), A3 (OA1), or A5 (OA2)
1 OAx output connected to A1 (OA0), A3 (OA1), or A5 (OA2)
OAADC0
Bit 0 OA output select. This bit connects the OAx output to ADC12 input Ax
when OAPMx > 0.
0 OAx output not connected to A12 (OA0), A13 (OA1), or A14 (OA2)
1 OAx output connected to A12 (OA0), A13 (OA1), or A14 (OA2)