參數(shù)資料
型號: TPS23841_07
廠商: Texas Instruments, Inc.
英文描述: HIGH-POWER, WIDE VOLTAGE RANGE, QUAD-PORT ETHERNET POWER SOURCING EQUIPMENT MANAGER
中文描述: 大功率,寬電壓范圍,四端口以太網(wǎng)供電設(shè)備管理器
文件頁數(shù): 35/52頁
文件大?。?/td> 1011K
代理商: TPS23841_07
www.ti.com
A/D Results Registers (Discovery Current, Voltage, Current and Temperature)
TPS23841
SLUS745–NOVEMBER 2006
Table 9. Port Status Read 2, Register Select = 0101 (One Per Port)
BIT
FUNCTION
STATE
PRESET
STATE
0
0
0
D7
D6
D5
D4
Unused
Unused
Unused
0
0
0
0 = not active
1 = active
0 = not active
1 = active (conversion in process)
000 = disabled
001 = searching
010 = power delivery
011 = fault
100 = test
101 = other fault
110 = undefined
111 = undefined
Watch dog timer
0
D3
A/D status
0
D2
D1
D0
Function status (MSB)
Function status
000
Function status (LSB)
Table 10. Discovery Current — Lower Bits, Register Select = 0110 (One Per Port)
BIT
FUNCTION
STATE
PRESET
STATE
0
D7
D6
D5
D4
D3
D2
D1
D0
A/D bit 7
A/D bit 6
A/D bit 5
A/D bit 4
A/D bit 3
A/D bit 2
A/D bit 1
A/D bit 0
A/D lower bits
Table 11. Discovery Current — Upper Bits, Register Select = 0111 (One Per Port)
BIT
FUNCTION
STATE
PRESET
STATE
0
D7
Resistor measurement
complete
0 = measurement active (bit set low at the start of Discovery 1 or Discovery 2)
1 = measurement complete (bit set high after A/D is completed during Discovery 1 or
Discovery 2)
A/D upper bits
D6
D5
D4
D3
D2
D1
D0
A/D bit 14
A/D bit 13
A/D bit 12
A/D bit 11
A/D bit 10
A/D bit 9
A/D bit 8
0
35
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