Rainbow Electronics AT86RF230 User Manual
Page 37
37
AT86RF230
5131A-ZIGB-06/14/06
Bit
Field Name
Reset
R/W
Comments
3
DVREG_EXT
0
R/W
1’d0:
use internal digital voltage regulator
1’d1:
use external voltage regulator
2
DVDD_OK
0
R
1’d0:
digital voltage regulator is disabled
1’d1:
internal digital voltage is correct and stable
1:0
DVREG_TRIM
0
R/W
Controls the voltage of the digital voltage regulator.
2’d0:
1.80V
2’d1:
1.75V
2’d2:
1.84V
2’d3:
1.88V
Table 8-12.
0x10 - VREG_CTRL
Bit
Field Name
Reset
R/W
Comments
7:6
0
R
Reserved
5
BATMON_OK
0
R
Result of battery monitor:
1’d0:
not valid (VDD < BATMON_VTH)
1’d1:
valid (VDD > BATMON_VTH)
4
BATMON_HR
0
R/W
High range switch (mapping see BATMON_VTH)
Threshold voltage:
BATMON_VTH Mapping
Value
Voltage [V]
BATMON_HR = ”1”
Voltage [V]
BATMON_HR = ”0”
0
2.550
1.70
1
2.625
1.75
2
2.700
1.80
3
2.775
1.85
4
2.850
1.90
5
2.925
1.95
6
3.000
2.00
7
3.075
2.05
8
3.150
2.10
9
3.225
2.15
10
3.300
2.20
11
3.375
2.25
12
3.450
2.30
13
3.525
2.35
14
3.600
2.40
3:0
BATMON_VTH
2
R/W
15
3.675
2.45
Table 8-13.
0x11 - BATMON