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CS5467
8.2.12 Internal Status (Status) and Interrupt Mask (Mask)
Address: 15 ( Status ); 26 ( Mask )
23
DRDY
15
E2OR
7
TUP
22
I2OR
14
I1ROR
6
V2OD
21
V2OR
13
V1ROR
5
I2OD
20
CRDY
12
E1OR
4
V1OD
19
I2ROR
11
I1FAULT
3
I1OD
18
V2ROR
10
V1SAG
2
LSD
17
I1OR
9
I2FAULT
1
FUP
16
V1OR
8
V2SAG
0
IC
Default =
1 ( Status ), 0 ( Mask )
The Status register indicates a variety of conditions within the chip. Writing a '1' to a Status register bit will
clear that bit if the condition that set it has been removed. Writing a '0' to any bit has no effect.
The Mask register is used to control the activation of the INT pin. Writing a '1' to a Mask register bit will allow
the corresponding Status register bit to activate the INT pin when set.
DRDY
I1OR (I2OR)
V1OR (V2OR)
CRDY
I1ROR (I2ROR)
Data Ready. During conversion, this bit indicates that low-rate results have been updated.
It indicates completion of other commands and the reset sequence.
Current Out of Range. Set when the measured current would cause the I1 ( I2 ) register to
overflow.
Voltage Out of Range. Set when the measured voltage would cause the V1 ( V2 ) register
to overflow.
Conversion Ready. Indicates that sample rate (output word rate) results have been updat-
ed.
RMS Current Out of Range. Set when RMS current would cause the I1 RMS ( I2 RMS ) regis-
ter to overflow.
V1ROR (V2ROR) RMS Voltage Out of Range. Set when RMS voltage would cause the V1 RMS ( V2 RMS ) reg-
ister to overflow.
E1OR (E2OR)
Energy Out of Range. Set when average power would cause P1 AVG ( P2 AVG ) to overflow.
I1FAULT (I2FAULT)Indicates when a current fault condition has occurred.
32
V1SAG (V2SAG)
TUP
V1OD (V2OD)
I1OD (I2OD)
LSD
FUP
IC
Indicates when a voltage sag condition has occurred.
Indicates when the Temperature register ( T ) has been updated.
Modulator oscillation has been detected in the voltage1 (voltage2) A/D.
Modulator oscillation has been detected in the current1 (current2) A/D.
Low Supply Detect. Set when the voltage on the PFMON pin falls below the specified low
level. The LSD bit cannot be reset until the voltage rises above the specified high level.
Frequency Updated. Indicates the Epsilon register has been updated.
Invalid Command. Normally logic 1. Set to 0 when an invalid command is received. It may
also indicate loss of serial command synchronization and the part may need to be re-ini-
tialized.
DS714F3
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