Data Sheet

NAU7802 24-bit ADC
Nuvoton Confidential - 30 - Revision 1.7
11.2 REG0x01:CTRL1
Register Default= 0x00
Bit
Name
Description
7
CRP
Conversion Ready Pin Polarity (16 Pin Package Only)
1=CRDY pin is LOW Active (Ready when 0)
0=CRDY pin is High Active(Ready when 1) (default)
6
DRDY_SEL
Select the function of DRDY pin
1: DRDY output the Buffered Crystal Clock if OSCS=1
output the internal OSC clock if OSCS= 0
0: DRDY output the conversion ready (default)
5:3
VLDO
LDO Voltage
111 = 2.4
110 = 2.7
101 = 3.0
100 = 3.3
011 = 3.6
010 = 3.9
001 = 4.2
000 = 4.5 (default)
2:0
GAINS
Gain select
111 = x128
110 = x64
101 = x32
100 = x16
011 =x8
010 = x4
001 = x2
000 = x1 (default)