參數(shù)資料
型號(hào): MIC2590B-5BTQ TR
廠商: Micrel Inc
文件頁數(shù): 17/23頁
文件大?。?/td> 230K
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):
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: MIC2590B-5BTQTR
MIC2590B-5BTQTR-ND
Micrel, Inc.
MIC2590B
 
September 2008 
17
M9999-091808
 
 
Common Status Register, (STAT), 8-Bits Read/Write
D[7]
read-only 
D[6]
read-only 
D[5]
read-only 
D[4]
read-only 
D[3]
read-
write 
D[2]
read-
write 
D[1]
read-
write 
D[0]
read-only 
Reserved 
Reserved 
GPIB 
GPIA 
INTMSK 
UV_INT 
OT_INT     Reserved 
 
Bit(s)
Function
Operation
D[7]
Reserved
Always read as zero
D[6]
Reserved
Always read as zero
GPIB
General Purpose
Input, Slot B
State of GPIB pin
GPIA
General Purpose
Input, Slot A
State of GPIA pin
INTMSK
Interrupt Mask
0 = /INT generation is
enabled
1 = /INT generation is
disabled.
The MIC2590B does
not participate in the
SMBus Alert
Response Address
(ARA) Protocol.
UV_INT
Undervoltage Interrupt     Set whenever a
circuit Interrupt
breaker fault
condition occurs as a
result of an
undervoltage lockout
condition on one of
the main supply
inputs. This bit is only
set if a UVLO
condition occurs
while one or both of
the ON[A/B] pins are
asserted or the
MAIN[A/B] enable
control bits are set.
OT_INT
Overtemperature
Interrupt
Set whenever a
circuit breaker fault
occurs as a result of
an overtemperature
condition exceeding
160癈 shutting both
channels off.
D[0]
Reserved
Read Undefined
 
Power-Up Default Value:
0000 0000
b
 = 00
h
 
Command Byte (R/W):
0000 0110
b
 = 06
h
 
To reset the OT_INT and UV_INT fault bits a logical
1must be written back to these bits.
 
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