71M6521 Demo Board User’s Manual
Revision 2.18
© 2005-2009 TERIDIAN Semiconductor Corporation
Page: 43 of 111
Table 1-15 explains the bits of the STATUS register.
Bit
Significance
Bit
Significance
0
CREEP
16
BATTERY_BAD, voltage below VBatMin
1
17
--
2
PB_PRESS, wake pushbutton
was pressed
18
CAL_BAD (Checksum over calibration
factors is invalid)
3
WAKE_ALARM
19
CLOCK_UNSET (Clock is not set)
4
--
20
POWER_BAD (checksums for both
energy registers are invalid)
5
MAXVA, voltage A exceeded
maximum
21
GNDNEUTRAL (grounded neutral
detected**)
6
MAXVB, voltage B exceeded
maximum
22
TAMPER (tamper detected via I/O pin**)
7
--
23
VXEDGE, as reported by CE
8
--
24
--
9
WD_DETECTED, reset from HW
WDT was detected
25
SAGA (sag detected on A)
10
--
26
SAGB (Sag detected on B†)
11
MAXIA, current A exceeded
maximum
27
--
12
MAXIB, current A exceeded
maximum
28
F0_CE (reflects F0 bit from CE)
13
--
29
--
14
MINT (minimum temperature
exceeded)
30
--
15
MAXT (maximum temperature
exceeded)
31
ONE_SEC
Table 1-15: STATUS Register