參數(shù)資料
型號： KSZ9021RN-EVAL
廠商： Micrel Inc
文件頁數(shù)： 42/58頁
文件大?。?/td> 0K
描述： BOARD EVALUATION FOR KSZ9021RN
標準包裝： 1
主要目的： 接口，以太網(wǎng)控制器（PHY 和 MAC）
嵌入式： 否
已用 IC / 零件： KSZ9021RN
已供物品： 板
相關(guān)產(chǎn)品： 576-3978-ND - IC TXRX 10/100/1000 SGL 48QFN
576-3637-ND - IC TXRX 10/100/1000 SGL 48QFN
其它名稱： 576-3874
2010 Microchip Technology Inc.
DS22265A-page 47
MCP444X/446X
REGISTER 4-2:
TCON0 BITS (1)
R-1
R/W-1
D8
R1HW
R1A
R1W
R1B
R0HW
R0A
R0W
R0B
bit 8
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 8
D8:
Reserved. Forced to “1”
bit 7
R1HW:
Resistor 1 Hardware Configuration Control bit
This bit forces Resistor 1 into the “shutdown” configuration of the Hardware pin
1
= Resistor 1 is NOT forced to the hardware pin “shutdown” configuration
0
= Resistor 1 is forced to the hardware pin “shutdown” configuration
bit 6
R1A:
Resistor 1 Terminal A (P1A pin) Connect Control bit
This bit connects/disconnects the Resistor 1 Terminal A to the Resistor 1 Network
1
= P1A pin is connected to the Resistor 1 Network
0
= P1A pin is disconnected from the Resistor 1 Network
bit 5
R1W:
Resistor 1 Wiper (P1W pin) Connect Control bit
This bit connects/disconnects the Resistor 1 Wiper to the Resistor 1 Network
1
= P1W pin is connected to the Resistor 1 Network
0
= P1W pin is disconnected from the Resistor 1 Network
bit 4
R1B:
Resistor 1 Terminal B (P1B pin) Connect Control bit
This bit connects/disconnects the Resistor 1 Terminal B to the Resistor 1 Network
1
= P1B pin is connected to the Resistor 1 Network
0
= P1B pin is disconnected from the Resistor 1 Network
bit 3
R0HW:
Resistor 0 Hardware Configuration Control bit
This bit forces Resistor 0 into the “shutdown” configuration of the Hardware pin
1
= Resistor 0 is NOT forced to the hardware pin “shutdown” configuration
0
= Resistor 0 is forced to the hardware pin “shutdown” configuration
bit 2
R0A:
Resistor 0 Terminal A (P0A pin) Connect Control bit
This bit connects/disconnects the Resistor 0 Terminal A to the Resistor 0 Network
1
= P0A pin is connected to the Resistor 0 Network
0
= P0A pin is disconnected from the Resistor 0 Network
bit 1
R0W:
Resistor 0 Wiper (P0W pin) Connect Control bit
This bit connects/disconnects the Resistor 0 Wiper to the Resistor 0 Network
1
= P0W pin is connected to the Resistor 0 Network
0
= P0W pin is disconnected from the Resistor 0 Network
bit 0
R0B:
Resistor 0 Terminal B (P0B pin) Connect Control bit
This bit connects/disconnects the Resistor 0 Terminal B to the Resistor 0 Network
1
= P0B pin is connected to the Resistor 0 Network
0
= P0B pin is disconnected from the Resistor 0 Network
Note 1:
These bits do not affect the wiper register values.
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