參數(shù)資料
型號(hào)： MCP4341T-502E/ML
廠商： Microchip Technology
文件頁數(shù)： 38/59頁
文件大?。?/td> 0K
描述： IC DGTL POT QUAD 5K 20QFN
標(biāo)準(zhǔn)包裝： 3,300
系列： WiperLock™
接片： 129
電阻（歐姆）： 5k
電路數(shù)： 4
溫度系數(shù)： 標(biāo)準(zhǔn)值 150 ppm/°C
存儲(chǔ)器類型： 非易失
接口： 4 線 SPI（芯片選擇）
電源電壓： 2.7 V ~ 5.5 V
工作溫度： -40°C ~ 125°C
安裝類型： 表面貼裝
封裝/外殼： 20-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 20-QFN 裸露焊盤（4x4）
包裝： 帶卷 (TR)
Micrel, Inc.
KSZ9021GQ
September 2010
43
M9999-091010-1.2
Address
Name
Description
Mode
(1)
Default
27.10
Link Down
Interrupt
Enable
1 = Enable Link Down Interrupt
0 = Disable Link Down Interrupt
RW
0
27.9
Remote Fault
Interrupt
Enable
1 = Enable Remote Fault Interrupt
0 = Disable Remote Fault Interrupt
RW
0
27.8
Link Up
Interrupt
Enable
1 = Enable Link Up Interrupt
0 = Disable Link Up Interrupt
RW
0
27.7
Jabber
Interrupt
1 = Jabber occurred
0 = Jabber did not occurred
RO/RC
0
27.6
Receive Error
Interrupt
1 = Receive Error occurred
0 = Receive Error did not occurred
RO/RC
0
27.5
Page Receive
Interrupt
1 = Page Receive occurred
0 = Page Receive did not occurred
RO/RC
0
27.4
Parallel Detect
Fault Interrupt
1 = Parallel Detect Fault occurred
0 = Parallel Detect Fault did not occurred
RO/RC
0
27.3
Link Partner
Acknowledge
Interrupt
1 = Link Partner Acknowledge occurred
0 = Link Partner Acknowledge did not occurred
RO/RC
0
27.2
Link Down
Interrupt
1 = Link Down occurred
0 = Link Down did not occurred
RO/RC
0
27.1
Remote Fault
Interrupt
1 = Remote Fault occurred
0 = Remote Fault did not occurred
RO/RC
0
27.0
Link Up
Interrupt
1 = Link Up occurred
0 = Link Up did not occurred
RO/RC
0
Register 28 (1Ch) – Digital Debug Control 1
28.15:8
Reserved
RW
0000_0000
28.7
mdi_set
mdi_set has no function when swapoff (reg28.6)
is de-asserted
1 = When swapoff is asserted, if mdi_set is
asserted, chip will operate at MDI mode
0 = When swapoff is asserted, if mdi_set is de-
asserted, chip will operate at MDI-X mode
RW
0
28.6
swapoff
1 = Disable auto crossover function
0 = Enable auto crossover function
RW
0
28.5:1
Reserved
RW
00_000
28.0
PCS Loopback
1 = Enable 10Base-T and 100Base-TX
Loopback for register 0h bit 14
0 = normal function
RW
0
Register 31 (1Fh) – PHY Control
31.15
Reserved
RW
0
31.14
Interrupt Level
1 = Interrupt pin active high
0 = Interrupt pin active low
RW
0
31.13:12
Reserved
RW
00
31.11:10
Reserved
RO/LH/RC
00
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