參數(shù)資料
型號(hào): LTC4305IGN#TRPBF
廠商: Linear Technology
文件頁(yè)數(shù): 20/20頁(yè)
文件大小: 0K
描述: IC BUFFER BUS 2WR ADDRESS 16SSOP
產(chǎn)品培訓(xùn)模塊: LTC4310 - Hot-Swappable I²C Isolators
標(biāo)準(zhǔn)包裝: 2,500
應(yīng)用: 帶放大器的多路復(fù)用器
接口: SMBus(2 線(xiàn)/I²C)
電源電壓: 2.2 V ~ 5.5 V
封裝/外殼: 16-SSOP(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 16-SSOP
包裝: 帶卷 (TR)
安裝類(lèi)型: 表面貼裝
LTC4305
9
4305f
Register 2 (02h)
BIT NAME
TYPE* DESCRIPTION
d7 Reserved
R
Not Used
d6 Reserved
R
Not Used
d5 Connection
R/W Sets logic requirements for
Requirement
downstream buses to be connected
to upstream bus
0 = Bus Logic State bits (see register
3) of buses to be connected must be
high for connection to occur (default)
1 = Connect regardless of
downstream logic state
d4 Reserved
R
Not Used
d3 Reserved
R
Not Used
d2 Mass Write Enable
R/W Enable Mass Write Address using
address (1011 110)b
0 = Disable Mass Write
1 = Enable Mass Write (default)
d1 Timeout Mode Bit 1
R/W Stuck Low Timeout Set Bit 1**
d0 Timeout Mode Bit 0
R/W Stuck Low Timeout Set Bit 0**
* For Type, “R/W” = Read Write, “R” = Read Only
**
TIMSET1
TIMSET0
TIMEOUT MODE
0
Timeout Disabled (Default)
0
1
Timeout After 30ms
1
0
Timeout After 15ms
1
Timeout After 7.5ms
Register 3 (03h)
BIT NAME
TYPE* DESCRIPTION
d7 Bus 1 FET State
R/W Sets and indicates state of FET
switches connected to downstream
bus 1
0 = switch open (default)
1 = switch closed
d6 Bus 2 FET State
R/W Sets and indicates state of FET
switches connected to downstream
bus 2
0 = switch open (default)
1 = switch closed
d5 Reserved
R
Not Used
d4 Reserved
R
Not Used
d3 Bus 1 Logic State
R
Indicates logic state of downstream
bus 1; only valid when disconnected
from upstream bus
0 = SDA1, SCL1 or both are below 1V
1 = SDA1 and SCL1 are both above
1V
d2 Bus 2 Logic State
R
Indicates logic state of downstream
bus 2; only valid when disconnected
from upstream bus
0 = SDA2, SCL2 or both are below 1V
1 = SDA2 and SCL2 are both above
1V
d1 Reserved
R
Not Used
d0 Reserved
R
Not Used
* For Type, “R/W” = Read Write, “R” = Read Only
These bits are meant to give the logic state of disconnected downstream
buses to the master, so that the master can choose not to connect to a low
downstream bus. A given bit is a “don’t care” if its associated downstream
bus is already connected to the upstream bus.
OPERATIO
U
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