參數(shù)資料
型號(hào): LTC4306IUFD#PBF
廠商: Linear Technology
文件頁(yè)數(shù): 19/20頁(yè)
文件大?。?/td> 0K
描述: IC MUX 4CH 2-WIRE BUS 24-QFN
產(chǎn)品培訓(xùn)模塊: LTC4310 - Hot-Swappable I²C Isolators
標(biāo)準(zhǔn)包裝: 73
應(yīng)用: 帶放大器的多路復(fù)用器
接口: SMBus(2 線/I²C)
電源電壓: 2.2 V ~ 5.5 V
封裝/外殼: 24-WFQFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝: 24-QFN(5x4)
包裝: 管件
安裝類(lèi)型: 表面貼裝
產(chǎn)品目錄頁(yè)面: 1355 (CN2011-ZH PDF)
LTC4306
4306f
8
Control Register Bit Definitions
OPERATIO
U
Register 0 (00h)
BIT NAME
TYPE* DESCRIPTION
d7 Downstream
R
Indicates if upstream bus is connected
Connected
to any downstream buses
0 = upstream bus disconnected from
all downstream buses
1 = upstream bus connected to one or
more downstream buses
d6 ALERT1 Logic State
R
Logic state of ALERT1 pin, noninverting
d5 ALERT2 Logic State
R
Logic state of ALERT2 pin, noninverting
d4 ALERT3 Logic State
R
Logic state of ALERT3 pin, noninverting
d3 ALERT4 Logic State
R
Logic state of ALERT4 pin, noninverting
d2 Failed Connection
R
Indicates if an attempt to connect to a
Attempt
downstream bus failed because the
“Connection Requirement” bit in
Register 2 was low and the
downstream bus was low
0 = Failed connection attempt occurred
1 = No failed attempts at connection
occurred
d1 Latched Timeout
R
Latched bit indicating if a timeout has
occurred and has not yet been cleared.
0 = no latched timeout
1 = latched timeout
d0 Timeout Real Time
R
Indicates real-time status of Stuck Low
Timeout Circuitry
0 = no timeout is occurring
1 = timeout is occurring
Note: Masters write to Register 0 to reset the fault circuitry after a fault
has occurred and been resolved. Because Register 0 is Read-Only, no
other functionality is affected.
* For Type, “R/W” = Read Write, “R” = Read Only
Register 1 (01h)
BIT
NAME
TYPE* DESCRIPTION
d7
Upstream
R/W
Activates upstream rise time
Accelerators
accelerator currents
Enable
0 = upstream rise time accelerator
currents inactive (default)
1 = upstream rise time accelerator
currents active
d6
Downstream
R/W
Activates downstream rise time
Accelerators
accelerator currents
Enable
0 = downstream rise time accelerator
currents inactive (default)
1 = downstream rise time accelerator
currents active
d5
GPIO1 Output
R/W
GPIO1 output driver state,
Driver State
noninverting, default = 1
d4
GPIO2 Output
R/W
GPIO2 output driver state,
Driver State
noninverting, default = 1
d3-d2 Reserved
R
Not Used
d1
GPIO1 Logic
R
Logic state of GPIO1 pin,
State
noninverting
d0
GPIO2 Logic
R
Logic state of GPIO2 pin,
State
noninverting
* For Type, “R/W” = Read Write, “R” = Read Only
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