Maxim Integrated 78M6631 - Manual (Page 20)

78M6631 Firmware Description Document UG_6631_078
20 Rev 2
5.2 Status Register
The status register contains alarms and system status flags that can be monitored by the host processor.
Alarms thresholds can be set through the corresponding registers.
Sticky Bits Register
The sticky bit register at address 0xF3 (CLI) and 0x3CC (SPI) allows the user to set the mode of the
status register bit. Each bit can individually be programmed to clear automatically once an alarm
condition no longer exists or to holds its status until cleared by writing to the status register.
Status Register
CLI Address
0xF5
SPI Address
0x3D4
Bit Description / Comment
1, 0 Not Used
2 Minimum Temperature Alarm (Under Temperature)
3 Maximum Temperature Alarm. (Over Temperature)
4 UnderCurrent phase C
5 UnderCurrent phase B
6 UnderCurrent phase A
7 OverCurrent phase C
8 OverCurrent phase B
9 OverCurrent phase A
10 Voltage Imbalance phase C
11 Voltage Imbalance phase B
12 Voltage Imbalance phase A
13 Under-Voltage phase C
14 Under-Voltage phase B
15 Under-Voltage phase A
16 Over-Voltage phase C
17 Over-Voltage phase B
18 Over-Voltage phase A
20 Power Factor phase C
21 Power Factor phase B
22 Power Factor phase A
23 -30 Not Used
31 Command Done