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參數(shù)資料
| 型號： | MX98727 |
| 英文描述： | SINGLE CHIP PCI/CARDBUS FAST ETHERNET CONTROLLER |
| 中文描述： | 單芯片的PCI / CARDBUS快速以太網(wǎng)控制器 |
| 文件頁數(shù)： | 8/71頁 |
| 文件大?。?/td> | 389K |
| 代理商： | MX98727 |
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8
P/N:PM0723
REV. 1.0, JUL. 13, 2000
MX98728EC
VDD/GND Pins
PIN#
51,54,59,70,78,81,83
Pin Name
VDDA
Type
Description
Analog Vdd Pins : Must be carefully isolated in the
separated Vdd plane.
Analog Ground Pins : Must be carefully isolated in the
seperated GND plane.
RX Vdd Pins : Must be carefully isolated in the separated
Vdd plane.
RX Ground Pins : Must be carefully isolated in the
separated ground plane.
Digital Vdd Pins : Must be carefully isolated in the
separated Vdd plane.
Digital Ground Pins : Must be carefully isolated in the
separated ground plane.
Normally grounded when on-chip tranceiver is used, while
in MII mode, it is defined as MDIO pin.
Normally grounded when on-chip tranceiver is used, while
in MII mode, it is defined as MDC clock pin.
52,57,58,73,74,79,80,
82,84
62,63,66,67
GNDA
VDDR
60,61,68,69
GNDR
42,30,2,153,115,107
158
41,39,34,22,7,154,
146,121,116,104,98,
85
VDD
GND
GND(MDIO)
I/O, 4ma
86
GND(MDC)
I/O, 4ma
Miscellaneous
PIN#
20
87
Pin Name
EECS
C46/C66
Type
O,2ma
I,TTL
Description
EEPROM Chip Select Signal
EEPROM Size Select : 1 for C46, 0 for C66. Default is 1.(Internal pull-
up)
LED0 (TXC in MII mode) : When on-chip tranceiver is used, it is defined
as SPEED LED. When the light is on, it indicates the 100 Mbps speed.
When off, it indicates the 10 Mbps speed. When both LED0 and LED1
are flashing identically, it means the bus integrity error. (Internal pull-
up). When in MII mode, this pin is defined as transmit clock TXC (25
MHz or 2.5 MHz) input.
LED1 (TXEN in MII mode) :When on-chip tranceiver is used, it is de-
fined as Link/Activity LED. When the light is stable and on, it indicates
a good link. When flashing, it indicates TX and RX activities. When off,
it means a bad link. (Internal pull-up). When in MII mode, this pin is
defined as transmit enable TXEN pin.
MII Test port TXD[3:0] : Used only in the test mode as part of the MII
interface. (Internal pull-down)
145
LED0(TXC)
I/O,16ma
144
LED1(TXEN) O,16ma
47-50
TXD[3:0]
O, 4ma
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