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參數(shù)資料
| 型號： | LAN91C100FDTQFP |
| 廠商： | STANDARD MICROSYSTEMS CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | FEAST FAST ETHERNET CONTROLLER WITH FULL DUPLEX CAPABILITY |
| 中文描述： | 2 CHANNEL(S), 100M bps, LOCAL AREA NETWORK CONTROLLER, PQFP208 |
| 封裝： | TQFP-208 |
| 文件頁數(shù)： | 11/79頁 |
| 文件大小： | 585K |
| 代理商： | LAN91C100FDTQFP |
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FEAST Fast Ethernet Controller with Full Duplex Capability
SMSC DS – LAN91C100FD Rev. D
Page 11
Rev.
10/14/2002
PRELIMINARY
PQFP/TQFP
PIN NO.
20, 21, 22,
24
198
NAME
SYMBOL
BUFFER
TYPE
I
DESCRIPTION
Receive
Data
Manage-
ment Data
Input
Manage-
ment Data
Output
Manage-
ment
Clock
Receive
Error
RXD0-
RXD3
MDI
Inputs. Received Data nibble from MII PHY.
These pins are ignored when MIISEL is low.
MII management data input.
I with
pulldown
196
MDO
O4
MII management data output.
192
MCLK
O4
MII management clock.
11
RX_ER
I with
pulldown
Input. Indicates a code error detected by PHY.
Used by the LAN91C100FD to discard the
packet being received. The error indication
reported for this event is the same as a bad CRC
(Receive Status Word bit 13). This pin is
ignored when MIISEL is low.
Output. Chip Select provided for mapping of
PHY functions into LAN91C100FD decoded
space. Active on accesses to LAN91C100FD’s
eight lower addresses when the BANK
SELECTED is 7.
Input. Used to discard the receive packet being
stored in memory. Assertion of the pin during a
packet reception results in the interruption of
packet reception into memory. The memory
allocated to the packet and the packet number in
use are freed. The input is driven
asynchronously and is synchronized internally by
the LAN91C100FD. Pin assertion may take
place at any time during the receive DMA
packet. The assertion has no effect if there is no
packet being DMAed to memory or if asserted
during the last DMA write to memory. Works for
both MII and ENDEC. The typical use of
nRXDISC is with the LAN91C100FD in PRMS
mode with an external associative memory use
for address filtering. *Note: The pin must be
asserted for a minimum of 80ns.
Output. Active when the first dword of the
address is written (RCVDMA=1, RA10-RA4=0,
RA3-RA2=X).
7
nChip
Select
Output
nCSOUT
O4
8
nReceive
Packet
Discard
nRXDISC
I with
pullup
37
RDMAH
O4
Buffer Types
O4
Output buffer with 2mA source and 4mA sink
O12
Output buffer with 6mA source and 12mA sink
O16
Output buffer with 8mA source and 16mA sink
O24
Output buffer with 12mA source and 24mA sink
OD16
Open drain buffer with 16mA sink
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相關(guān)代理商/技術(shù)參數(shù) |
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| LAN91C100QFP | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:SMSC 功能描述: |
| LAN91C100QFP WAF | 制造商:SMSC 功能描述: |
| LAN91C110 | 制造商:SMSC 制造商全稱:SMSC 功能描述:FEAST FAST ETHERNET CONTROLLER FOR PCMCIA AND GENERIC 16-BIT APPLICATIONS |
| LAN91C110-JD | 制造商:SMSC 功能描述: |
| LAN91C110-PU | 功能描述:以太網(wǎng) IC Non-PCI 10/100 Ethernet MAC RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray |
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