參數(shù)資料
型號: MCP4251T-103E/SL
廠商: Microchip Technology
文件頁數(shù): 37/59頁
文件大?。?/td> 0K
描述: IC DGTL POT 10K 2CH 14SOIC
標準包裝: 2,600
接片: 257
電阻(歐姆): 10k
電路數(shù): 2
溫度系數(shù): 標準值 150 ppm/°C
存儲器類型: 易失
接口: 4 線 SPI(芯片選擇)
電源電壓: 1.8 V ~ 5.5 V
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 14-SOIC(0.154",3.90mm 寬)
供應商設備封裝: 14-SOIC
包裝: 帶卷 (TR)
其它名稱: MCP4251T-103-E/SL
MCP4251T-103-E/SLTR
MCP4251T-103-E/SLTR-ND
MCP4251T-103E/SLTR
Micrel, Inc.
KSZ8051MNL/RNL
July 2010
42
M9999-070910-1.0
Register Description (Continued)
Address
Name
Description
Mode
(1)
Default
1e.3
PHY Isolate
1 = PHY in isolate mode
0 = PHY in normal operation
RW
0
1e.2:0
Operation
Mode
Indication
[000] = still in auto-negotiation
[001] = 10Base-T half-duplex
[010] = 100Base-TX half-duplex
[011] = reserved
[100] = reserved
[101] = 10Base-T full-duplex
[110] = 100Base-TX full-duplex
[111] = reserved
RO
000
Register 1Fh – PHY Control 2
1f:15
HP_MDIX
1 = HP Auto MDI/MDI-X mode
0 = Micrel Auto MDI/MDI-X mode
RW
1
1f:14
MDI/MDI-X
Select
When Auto MDI/MDI-X is disabled,
1 = MDI-X Mode
Transmit on RXP,RXM (pins 5,4) and
Receive on TXP,TXM (pins 7,6)
0 = MDI Mode
Transmit on TXP,TXM (pins 7,6) and
Receive on RXP,RXM (pins 5,4)
RW
0
1f:13
Pair Swap
Disable
1 = Disable auto MDI/MDI-X
0 = Enable auto MDI/MDI-X
RW
0
1f.12
Reserved
RW
0
1f.11
Force Link
1 = Force link pass
0 = Normal link operation
This bit bypasses the control logic and allow
transmitter to send pattern even if there is no
link.
RW
0
1f.10
Power Saving
1 = Enable power saving
0 = Disable power saving
RW
0
1f.9
Interrupt Level
1 = Interrupt pin active high
0 = Interrupt pin active low
RW
0
1f.8
Enable Jabber
1 = Enable jabber counter
0 = Disable jabber counter
RW
1
1f.7
RMII
Reference
Clock Select
1 = RMII 50MHz Clock Mode; clock input to XI
(pin 9) is 50MHz
0 = RMII 25MHz Clock Mode; clock input to XI
(pin 9) is 25MHz
This bit is applicable for KSZ8051RNL only.
RW
0
1f.6
Reserved
RW
0
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