參數(shù)資料
型號(hào)： LAN91C96ITQFP
廠商： STANDARD MICROSYSTEMS CORP
元件分類： 微控制器/微處理器
英文描述： NON-PCI SINGLE-CHIP FULL DUPLES ETHERNET CONTROLLER
中文描述： 2 CHANNEL(S), 10M bps, LOCAL AREA NETWORK CONTROLLER, PQFP100
封裝： 1 MM THICKNESS, TQFP-100
文件頁(yè)數(shù)： 16/110頁(yè)
文件大?。?/td> 655K
代理商： LAN91C96ITQFP
Non-PCI Single-Chip Full Duplex Ethernet Controller
Rev.
11/18/2004
Page 16
SMSC DS – LAN91C96I
DATASHEET
PIN NO.
TQFP
21
QFP
23
PIN NAME
INTR3
TYPE
O24
DESCRIPTION
Local Bus - Outputs. Active high interrupt signals. The
interrupt line selection is determined by the value of INT
SEL1-0 bits in the Configuration Register. These interrupts
are tri-stated when not selected.
Local Bus - Active low output asserted in 16 bit mode when
AEN is low and A4-A15 decode to the LAN91C96I address
programmed into the high byte of the Base Address
Register.
Local Bus, - Input. Active low read strobe used to access the
LAN91C96I IO space.
23
25
nIOCS16/
nIOIS16
OD24
49
51
nIORD/
xDS
IS with
pullup
**
IS with
pullup
**
IS with
pullup
**
O4
50
52
nIOWR/
R/nW
Local Bus - Input. Active low write strobe used to access the
LAN91C96I IO space.
51
53
nMEMR/
nOE
Local Bus - Active low signal used by the host processor to
read from the external ROM.
5
7
EESK
Output. 4usec clock used to shift data in and out of a serial
EEPROM.
Output. Serial EEPROM chip select.
Output. Connected to the DI input of the serial EEPROM.
4
2
6
4
EECS
EEDO/
SDOUT
EEDI
O4
O4
3
5
I with
pull-
down
**
I with
pullup
Input. Connected to the DO output of the serial EEPROM.
96,97
98,99
IOS0-1
Input. External switches can be connected to these lines to
select between predefined EEPROM configurations. The
values of these pins are readable.
Input. External switches can be connected to these lines to
select between predefined EEPROM configurations. The
values of these pins are readable.
99
1
IOS2
I with
pullup
**
OD16
70
72
nTXLED/
nTXEN
nBSELED/
RXD
INTERNAL ENDEC - Transmit LED output.
O162
OD16
EXTERNAL ENDEC - Active low Transmit Enable output.
INTERNAL ENDEC - Board Select LED activated by
accesses to I/O space (nIORD or nIOWR active with AEN
low and valid address decode for Local Bus). The pulse is
stretched beyond the access duration to make the LED
visible.
EXTERNAL ENDEC - NRZ receive data input.
67
69
I with
pullup
OD16
69
71
nRXLED/
RXCLK
INTERNAL ENDEC - Receive LED output.
I with
pullup
OD16
EXTERNAL ENDEC - Receive clock input.
68
70
nLNKLED/
TXD
INTERNAL ENDEC - Link LED output.
O162
EXTERNAL ENDEC - Transmit Data output.
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