SX8724C Datasheet, PDF (45/67 Pages) Semtech Corporation – ZoomingADC for sensing data acquisition

ADVANCED COMMUNICATIONS & SENSING
SX8724C
ZoomingADC for sensing data acquisition
DATASHEET
Table 31. RegACCfg1[0x53]
Bit
Name
3
2
Enable
1
0
Mode
rw
rw
rw
rw
Reset
0
0
0
0
Description
PGA3 enable
PGA2 enable
PGA1 enable
ADC enable
Table 32. RegACCfg2[0x54]
Bit
Name
7:6
SetFs
5:4
Pga2Gain
3:0
Pga2Offset
Mode
rw
rw
rw
Reset
00
00
0000
Description
ADC Sampling Frequency selection
PGA2 gain selection
PGA2 offset selection
Table 33. RegACCfg3[0x55]
Bit
Name
7
Pga1Gain
6:0
Pga3Gain
Mode
rw
rw
Reset
0
0001100
Description
PGA1 gain selection
PGA3 gain selection
Table 34. RegACCfg4[0x56]
Bit
Name
7
-
6:0
Pga3Offset
Mode
rw
rw
Reset
0
0000000
Description
Reserved
PGA3 offset selection
Table 35. RegACCfg5[0x57]
Bit
Name
7
Busy
6
Def
5:1
Amux
Mode
r
rw
rw
0
Vmux
rw
Reset
0
0
00000
0
Description
ADC activity flag
Selects ADC and PGA default configuration, starts an ADC conversion
Input channel configuration selector
Reference channel selector
0 : VBATT
1 : VREF
Revision 1.01
© Semtech
January 2011
Page 45
www.semtech.com/products/