Datasheet

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TPS2384
SLUS634D – NOVEMBER 2004 – REVISED MARCH 2007
Table 6. Port Control Write 1, Register Select = 0010 (One Per Port)
BIT FUNCTION STATE PRESET
STATE
D7 Unused 0 0
D6 Unused 0 0
0 = normal operation
D5 Discovery fault disable 0
1 = disable internal discovery fault limits (19 k Ω to 29.5 k Ω )
0 = DC Disconnect active
D4 DC Disconnect disable 0
1 = DC Disconnect disable (for AC Disconnect)
D3 Function Bit 3 0000 = Disable function (power down and reset all functions)
0001 = Discovery 1 function
D2 Function Bit 2
0010 = Discovery 2 function
D1 Function Bit 1
0011 = port voltage sample function (V sample)
0100 = legacy detection function
0101 = classification function
0110 = ramp up/power function (rup pwr)
0111 = continuous sample function (C sample)
0000
1000 = ramp power down function (Rdwn)
1001 = ac low
D0 Function Bit 0
1010 = ac high
1011 = port current sample function (I sample)
1100 = die temperature sample function (T sample)
1101 = spare
1110 = spare
1111 = spare
Table 7. Port Control Write 2, Register Select = 0011 (One Per Port)
BIT FUNCTION STATE PRESET
STATE
D7 Unused 0 0
D6 Unused 0 0
D5 Unused 0 0
0 = normal
D4 Port Enable
(1)
0
1 = port disable
0 = normal
D3 A/D Start 0
1 = start A/D (self clearing)
0 = normal
D2 A/D Abort 0
1 = abort
D1 Unused 0 0
D0 Unused 0 0
(1) Consult factory for Alternative B, semi-auto mode implementations which write to bit D4.
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