參數(shù)資料
型號(hào)： MIC2593-2BTQ TR
廠商： Micrel Inc
文件頁(yè)數(shù)： 18/26頁(yè)
文件大?。?/td> 220K
描述： IC PCI HOT PLUG CTLR DUAL 48TQFP
標(biāo)準(zhǔn)包裝： 2,000
類型： 熱交換控制器
應(yīng)用： PCI，PCI-X
內(nèi)部開關(guān)： 無(wú)
電源電壓： 3.3V，5V，±12V
工作溫度： 0°C ~ 70°C
安裝類型： 表面貼裝
封裝/外殼： 48-TQFP
供應(yīng)商設(shè)備封裝： 48-TQFP（7x7）
包裝： 帶卷 (TR)
其它名稱： MIC2593-2BTQTR
MIC2593-2BTQTR-ND
Micrel, Inc.
MIC2593
 
September 2008 
18
M9999-092208
 
Status Register, Slot A (STATA)
8-Bits, Read-Only
Status Register, Slot A (STATA)
D[7] 
D[6]
D[5]
D[4]
D[3]
D[2]
D[1]
D[0]
read-only
read-only
read-only
read/write
read/write
read/write
read/write
read/write
FAULTA
MAINA
VAUXA
VAUXAF
12MVAF
12VAF
5VAF
3VAF
 
Bit(s)
Function
Operation
FAULTA
FAULT Status, Slot A
1 = /FAULTA pin asserted
(/FAULTA pin is LOW)
0 = /FAULTA pin de-asserted
(/FAULTA pin is HIGH)
See Notes 1 and 2
MAINA
MAIN Enable Status, Slot A
Represents the actual state (on/off) of the four Main
Power outputs for Slot A (+12V, 12V, +5V and +3.3V)
1 = Main Power ON
0 = Main Power OFF
VAUXA
VAUX Enable Status, Slot A
Represents the actual state (on/off) of the Auxiliary
Power output for Slot A
1 = AUX Power ON
0 = Main Power OFF
VAUXAF
Overcurrent Fault: VAUXA supply A
1 = Fault, 0 = No fault
12MVAF
Overcurrent Fault: 12V supply A
1 = Fault, 0 = No fault
12VAF
Overcurrent Fault: +12V supply A
1 = Fault, 0 = No fault
5VAF
Overcurrent Fault: 5V supply A
1 = Fault, 0 = No fault
3VAF
Overcurrent Fault: 3V supply A
1 = Fault, 0 = No fault
Power-Up Default Value:
   0000 0000
b
 = 00
h
 
Command_Byte Value (R/W):   0000 0100
b
 = 04
h
 
The power-up default value is 00
h
. Both slots are disabled upon power-up, i.e., all supply outputs are off. In response to
anovercurrent fault condition, writing a logical 1 back into the active (or set) bit position will clear the bit and de-assert /INT.
Thestatus of the /FAULTA pin is not affected by reading the Status Register or by clearing active status bits.
 
Note 1. 
If FAULTA has been set by an overcurrent condition on one or more of the MAIN outputs, the ONA input must go LOW to reset FAULTA.
 
If FAULTA has been set by a VAUXA overcurrent event, the AUXENA input must go LOW to reset FAULTA.
 
If an overcurrent has occurred on both a MAIN output and the VAUX output of slot A, both ONA and AUXENA of the slot must go low to
reset FAULTA.
Note 2. 
Neither the FAULTA bit nor the /FAULTA pin is active when the MIC2593 power paths are controlled by the System Management
Interface. When using SMI power path control, AUXENA and ONA pins for that slot must be tied to GND.
 
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