參數(shù)資料
型號: LAN91C100FD
廠商: SMSC Corporation
英文描述: FEAST FAST ETHERNET CONTROLLER WITH FULL DUPLEX CAPABILITY
中文描述: 宴快速以太網(wǎng)控制器以全雙工能力
文件頁數(shù): 12/79頁
文件大小: 585K
代理商: LAN91C100FD
FEAST Fast Ethernet Controller with Full Duplex Capability
Rev.
10/14/2002
Page 12
SMSC DS – LAN91C100FD Rev. D
PRELIMINARY
I/O4
Bidirectional buffer with 2mA source and 4mA sink
I/O24
Bidirectional buffer with 12mA source and 24mA sink
I
Input buffer with TTL levels
IS
Input buffer with Schmitt Trigger Hysteresis
Iclk
Clock input buffer
DC levels and conditions defined in the DC Electrical Characteristics section.
Table 3.1 - LAN91C100FD Pin Requirements
FUNCTION
PIN SYMBOLS
NUMBER OF PINS
20
32
17
System Address Bus
System Data Bus
System Control Bus
A1-A15, AEN, nBE0-nBE3
D0-D31
RESET, nADS, LCLK, ARDY,
nRDYRTN, nSRDY, INTR0-
INTR3, nLDEV, nRD, nWR,
nDATACS, nCYCLE, W/nR,
nVLBUS
EEDI, EEDO, EECS, EESK,
ENEEP, IOS0-IOS2
RD0-RD31
RA2-RA16
nROE, nRWE0-nRWE3,
RCVDMA, RDMAH
XTAL1, XTAL2
VDD, AVDD
GND, AGND
TXEN, TXD, CRS, COL, RXD,
TXC, RXC, LBK, nLNK,
nFSTEP, AUISEL, MIISEL
TXEN100, CRS100, COL100,
RX_DV, RX_ER, TXD0-TXD3,
RXD0-RXD3, MDI, MDO, MCLK
TX25, RX25
nCSOUT, nRXDISC
Serial EEPROM
8
RAM Data Bus
RAM Address Bus
RAM Control Bus
32
15
7
Crystal Oscillator
Power
Ground
External ENDEC 10 Mbps
2
19
21
12
Physical Interface 100 Mbps
16
Clocks
Miscellaneous
TOTAL
2
2
205
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