OA Registers
864
SLAU208Q – June 2008 – Revised March 2018
Copyright © 2008–2018, Texas Instruments Incorporated
Operational Amplifier (OA)
33.5.1 OAnCTL0 Register
Operational Amplifier n Control 0
Figure 33-2. OAnCTL0 Register
15
14
13
12
11
10
9
8
Reserved
r0
r0
r0
r0
r0
r0
r0
r0
7
6
5
4
3
2
1
0
Reserved
OARRIRDY
OARRI
Reserved
Reserved
OAM
r0
r-0
rw-0
r0
r0
r0
r0
rw-0
Table 33-3. OAnCTL0 Register Description
Bit
Field
Type
Reset
Description
15-7
Reserved
R
0h
Reserved. Always reads as 0.
6
OARRIRDY
R
0h
Rail-to-rail input ready status.
0b = Rail-to-rail input not ready
1b = Rail-to-rail input ready
5
OARRI
RW
0h
Rail-to-rail input enable.
0b = Rail-to-rail input disabled
1b = Rail-to-rail input enabled
4
Reserved
R
0h
Reserved. Always read as 0.
3-1
Reserved
R
0h
Reserved. Always read as 0. These bits are reserved for future amplifier mode
(OAM) settings.
0
OAM
RW
0h
Amplifier mode selection.
0b = Disabled. Output high impedance. All input switches opened, regardless of
PSW and NSW settings.
1b = Enabled. If OA output is shared with a digital I/O port, the digital I/O port is
automatically disabled regardless of the PxSEL settings of the respective port.