參數(shù)資料
型號： MCP4341T-104E/ML
廠商： Microchip Technology
文件頁數(shù)： 35/59頁
文件大?。?/td> 0K
描述： IC DGTL POT QUAD 100K 20QFN
標(biāo)準(zhǔn)包裝： 3,300
系列： WiperLock™
接片： 129
電阻（歐姆）： 100k
電路數(shù)： 4
溫度系數(shù)： 標(biāo)準(zhǔn)值 150 ppm/°C
存儲器類型： 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
40
M9999-091010-1.2
Address
Name
Description
Mode
(1)
Default
9.10
Port Type
1 = Indicate the preference to operate as
multiport device (MASTER)
0 = Indicate the preference to operate as single-
port device (SLAVE)
This bit is valid only if the MASTER-SLAVE
Manual Config Enable bit is disabled (register
9.12 = 0)
RW
0
9.9
1000Base-T
Full-Duplex
1 = Advertise PHY is 1000Base-T full-duplex
capable
0 = Advertise PHY is not 1000Base-T full-
duplex capable
RW
1
9.8
1000Base-T
Half-Duplex
1 = Advertise PHY is 1000Base-T half-duplex
capable
0 = Advertise PHY is not 1000Base-T half-
duplex capable
RW
Hardware Setting
9.7:0
Reserved
Write as 0, ignore on read
RO
Register 10 (Ah) – 1000Base-T Status
10.15
MASTER-
SLAVE
configuration
fault
1 = MASTER-SLAVE configuration fault
detected
0 = No MASTER-SLAVE configuration fault
detected
RO/LH/SC
0
10.14
MASTER-
SLAVE
configuration
resolution
1 = Local PHY configuration resolved to
MASTER
0 = Local PHY configuration resolved to
SLAVE
RO
0
10.13
Local
Receiver
Status
1 = Local Receiver OK (loc_rcvr_status = 1)
0 = Local Receiver not OK (loc_rcvr_status = 0)
RO
0
10.12
Remote
Receiver
Status
1 = Remote Receiver OK (rem_rcvr_status = 1)
0 = Remote Receiver not OK (rem_rcvr_status
= 0)
RO
0
10.11
LP 1000T FD
1 = Link Partner is capable of 1000Base-T full-
duplex
0 = Link Partner is not capable of 1000Base-T
full-duplex
RO
0
10.10
LP 1000T HD
1 = Link Partner is capable of 1000Base-T half-
duplex
0 = Link Partner is not capable of 1000Base-T
half-duplex
RO
0
10.9:8
Reserved
RO
00
10.7:0
Idle Error
Count
Cumulative count of errors detected when
receiver is receiving idles and
PMA_TXMODE.indicate = SEND_N
The counter is incremented every symbol
period that rxerror_status = ERROR
RO/SC
0000_0000
Register 11 (Bh) – Extended Register – Control
11.15
Extended
Register –
read/write
select
1 = Write Extended Register
0 = Read Extended Register
RW
0
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