ISD91200 Series Technical Reference Manual
Release Date: Sep 16, 2019
- 439 -
Revision 2.4
[18:16]
PGA
OPA1 Gain Control Bits
000 = 1.
001 = 8.
010 = 16.
011 = 24.
100 = 32.
101 = 40.
110 = 48.
111 = 56.
[15]
A1X
Operational amplifier 1 output; positive logic
This bit is read only
[14]
A102N
OPA1 Output to OPA1 Inverting Input Control Bit
0 = disable.
1 = enable.
[13:12]
A1PSEL
OPA1 Non-inverting Input Selection Bit
00 = no connection.
01 = from VH1 (0.9×VDDA).
10 = from VM (0.5×VDDA ).
11 =: from VL1 (0.1×VDDA).
[11]
A1PS
A1P Pin to OPA1 Non-inverting Input Control Bit
0 = no connection.
1 = from A0P pin.
[10]
A1NS
A1N Pin to OPA1 Inverting Input Control Bit
0 = no connection.
1 = from A0N pin.
[9]
A1OEN
OPA1 Output Enable or Disable Control Bit
0 = disable.
1 = enable.
[8]
A1EN
OPA1 Enable or Disable Control Bit
0 = disable.
1 = enable.
[7]
A0X
Operational amplifier 0 output; positive logic
This bit is read only
[6]
A0O2N
OPA0 Output to OPA0 Inverting Input Control Bit
0 = disable.
1 = enable.
[5:4]
A0PSEL
OPA0 Non-inverting Input Selection Bit
00 = no connection.
01 = from VH1 (0.9×VDDA).
10 = from VM (0.5×VDDA).
11 =: from VL1 (0.1×VDDA).
[3]
A0PS
A0P Pin to OPA0 Non-inverting Input Control Bit
0 = no connection.
1 = from A0P pin.
[2]
A0NS
A0N Pin to OPA0 Inverting Input Control Bit
0 = no connection.
1 = from A0N pin.