Nations Technologies Inc.
Tel
:
+86-755-86309900
:
Address: Nations Tower, #109 Baoshen Road, Hi-tech Park North.
Nanshan District, Shenzhen, 518057, P.R.China
423
/
631
Bit field
Name
Description
10: VM2 (PA5);
11: VM float (for internal PGA (no Filter ) mode and follow mode).
5:3
PGAGAN[2:0]
Operational Amplifier Programmable amplifier Gain Value
000: internal PGA gain 2;
001: Internal PGA gain 4;
010: Internal PGA gain 8;
011: Internal PGA gain 16;
100: internal PGA gain 32;
Others: Internal PGA gain 2.
2:1
MOD[1:0]
Operational Amplifier PGA Mode
0x: external amplification mode;
10: Enable internal PGA.
11: Internal follow mode.
0
EN
Operational amplifier Enable
0: disability;
1: enable.
OPAMP Lock register (OPAMP_LOCK)
Offset address: 0x20
Reset value: 0x0000 0000
Bit field
Name
Description
31:2
Reserved
Reserved, the reset value must be maintained
1
OPAMP2LK
OPAMP2 Lock (OPAMP2 lock bit)
After the reset, this bit can be written only once
0: OPAMP2 register can read and write;
1: The OPAMP2 register is read-only.
0
OPAMP1LK
With OPAMP2LK.