Datasheet

90E36A POLY-PHASE HIGH-PERFORMANCE WIDE-SPAN ENERGY METERING IC
Register 38 April 2, 2013
SysStatus0
System Status 0
Address: 01H
Type: Read/Clear
Default Value: 0000H
Bit Name Description
15 -
Reserved.
*
14 CS0Err
This bit indicates CS0 (3BH) checksum status.
0: CS0 checksum correct (default)
1: CS0 checksum error. The WarnOut pin is asserted at the same time.
13 -
Reserved.
12 CS1Err
This bit indicates CS1 (4DH) checksum status.
0: CS1 checksum correct (default)
1: CS1 checksum error. The WarnOut pin is asserted at the same time.
11 -
Reserved.
10 CS2Err
This bit indicates CS2 (57H) checksum status.
0: CS2 checksum correct (default)
1: CS2 checksum error. The WarnOut pin is asserted at the same time.
9-
Reserved.
8 CS3Err
This bit indicates CS3 (6FH) checksum status.
0: CS3 checksum correct (default)
1: CS3 checksum error. The WarnOut pin is asserted at the same time.
7URevWn
This bit indicates whether there is any error with the voltage phase sequence.
0: No error with the voltage phase sequence (default)
1: Error with the voltage phase sequence.
6IRevWn
This bit indicates whether there is any error with the current phase sequence.
0: No error with the current phase sequence (default)
1: Error with the current phase sequence.
5 - 4 -
Reserved.
3 SagWarn
This bit indicates whether there is any voltage sag (voltage lower than threshold) in one phase or more.
0: No voltage sag (default)
1: Voltage sag.
2 PhaseLoseWn
This bit indicates whether there is any voltage phase losing in one phase or more.
0: No voltage phase losing (default)
1: Voltage phase losing.
1-0 -
Reserved.
Note: All reserved bits of any register should be ignored when reading and should be written with zero.