BL602/604 Reference Manual
Bits
Name
Type
Reset
Description
4:2
RSSEL
R/W
3’h0
adc resolution/over-sample rate select
3’b000 12bit 2MS/s, OSR=1
3’b001 14bit 125kS/s, OSR=16
3’b010 14bit 31.25kS/s, OSR=64
3’b011 16bit 15.625KS/s, OSR=128 (voice mode16KS/s)
3’b100 16bit 7.8125KS/s, OSR=256 (voice mode 8KS/s)
1
CTCV
R/W
1’b1
To enable continuous conversion
1’h0: one shot conversion 1’h1: continuous conversion
0
OCEN
R/W
1’b0
offset calibration enable
4.4.5 gpadc_reg_config2
Address
：
0x4000f914
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
TDCR
DLYSEL
PGA1GAIN
PGA2GAIN
TESTSEL
ATEN
BSEL
CM
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
CM
PCEN
PEN
POCAL
PVCM
TSEN
DDM
VBEN
VRFS
DIFM
RSVD
Bits
Name
Type
Reset
Description
31
TDCR
R/W
1’b0
tsen diode current
30:28
DLYSEL
R/W
3’h0
adc conversion speed
27:25
PGA1GAIN
R/W
3’h0
3’h0: disable
3’h1: gain=1
3’h2: gain=2
3’h3: gain=4
3’h4: gain=8
3’h5: gain=16
3’h6: gain=32
3’h7: gain=32
24:22
PGA2GAIN
R/W
3’h0
3’h0: disable
3’h1: gain=1
3’h2: gain=2
3’h3: gain=4
3’h4: gain=8
3’h5: gain=16
3’h6: gain=32
3’h7: gain=32
21:19
TESTSEL
R/W
3’h0
select test point 0 7
BL602/604 Reference Manual
60/ 195
@2020 Bouffalo Lab