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參數(shù)資料
| 型號(hào)： | KSZ8997 |
| 廠商： | Micrel Inc |
| 文件頁數(shù)： | 3/39頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC SWITCH 10/100 8PORT 128PQFP |
| 標(biāo)準(zhǔn)包裝： | 66 |
| 系列： | * |
| 類型： | * |
| 應(yīng)用： | * |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 128-BFQFP |
| 供應(yīng)商設(shè)備封裝： | 128-PQFP（14x20） |
| 包裝： | 托盤 |
| 產(chǎn)品目錄頁面： | 1081 (CN2011-ZH PDF) |
| 其它名稱： | 576-1043 |
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Micrel, Inc.
KS8997/KSZ8997
February 2007
11
M9999-022807-1.1
I/O Grouping
Group Name
Description
PHY
Physical interface
IND
LED Indicators
UP
Unmanaged Programmable
CTRL
Control and Miscellaneous
TEST
Test (Factory)
PWR/GND
Power and Ground
I/O Descriptions
Group
I/O Names
Active Status
Description
PHY
RXP[1:8]
RXM[1:8]
Analog
Differential inputs (receive) for connection to media transformer.
TXP[1:8]
TXM[1:8]
Analog
Differential outputs (transmit) for connection to media transformer.
ISET
Analog
Transmit Current Set. Connect an external reference resistor to set transmitter
output current. This pin is connected to a 1% 3kresistor to ground if a
transformer with 1:1 turn ratio is used.
LED[1:8][0]
L
Output (after reset)
Mode 0: Speed (on = 100/off = 10)
Mode 1: Reserve
Mode 2: Collision (on = collision/off = no collision)
Mode 3: Speed (on = 100/off = 10)
LED[1:8][2]
L
Output (after reset)
Mode 0: Collision (on = collision/off = no collision)
Mode 1: Reserve
Mode 2: Link Activity (10Mb mode)
Mode 3: Full Duplex + Collision
(constant on = full-duplex; intermittent on = collision;
off = half-duplex with no collision)
IND
LED[1:8][3]
L
Output (after reset)
Mode 0: Link + Activity
Mode 1: Reserve
Mode 2: Link Activity (100Mb mode)
Mode 3: Link + Activity
Note: Mode is set by MODESEL[1:0] ; See description in UP (unmanaged
programming) section
H
Mode select at reset time. LED mode is selected by using the table below.
MODESEL
[1]
[0]
Operation
MODESEL[1:0]
0
1
0
1
0
1
LED mode 0
LED mode 1
LED mode 2
LED mode 3
LED[1][3]
Reserved – use float configuration
LED[1][2]
Reserved – use float configuration
LED[1][0]
Reserved – use float configuration
LED[2][3]
Reserved – use float configuration
UP
LED[2][2]
Reserved – use float configuration
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