Datasheet

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TPS2384
SLUS634D – NOVEMBER 2004 – REVISED MARCH 2007
Table 8. Port Status Read 1, Register Select = 0100 (One Per Port)
BIT FUNCTION STATE PRESET
STATE
0 = normal
D7 Discovery Status 0
1 = discovery fail
0 = normal
D6 Function Done Bit 0
1 = function complete (self clearing by a new function write)
D5 Port Class 000 = class 0
001 = class 1
D4 Port Class
010 = class 2 000
011 = class 3
D3 Port Class
100 = class 4
D2 Fault status (MSB) 000 = no faults
001 = UV/OV fault
D1 Fault status
010 = thermal shutdown fault (TSD)
011 = overload current > 50-ms fault
000
100 = load disconnect
D0 Fault status (LSB)
101 = reserved for future
110 = reserved for future
111 = reserved for future
Table 9. Port Status Read 2, Register Select = 0101 (One Per Port)
BIT FUNCTION STATE PRESET
STATE
D7 Unused 0 0
D6 Unused 0 0
D5 Unused 0 0
0 = not active
D4 Watch dog timer 0
1 = active
0 = not active
D3 A/D status 0
1 = active (conversion in process)
D2 Function status (MSB) 000 = disabled
001 = searching
D1 Function status
010 = power delivery
011 = fault
000
100 = test
D0 Function status (LSB)
101 = other fault
110 = undefined
111 = undefined
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