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STE100A Datasheet(Hoja de datos) 9 Page - STMicroelectronics

No. de Pieza. STE100A
Descripción  PCI 10/100 Ethernet controller with integrated PHY (3.3V)
Descarga  82 Pages
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Fabricante  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
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 9 page
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STE10/100A
Pin description
9/82
3
17
28
42
C-BEB3
C-BEB2
C-BEB1
C-BEB0
I/O
Bus command and byte enable
4
IDSEL
I
Initialization device select. This signal is asserted when the
host issues configuration cycles to the STE10/100A.
18
FRAME#
I/O
Asserted by PCI bus master during bus tenure
20
IRDY#
I/O
Master device is ready to begin data transaction
21
TRDY#
I/O
Target device is ready to begin data transaction
22
DEVSEL#
I/O
Device select. Indicates that a PCI target device address has
been decoded
23
STOP#
I/O
PCI target device request to the PCI master to stop the
current transaction
24
PERR#
I/O
Data parity error detected, driven by the device receiving
data
25
SERR#
O/D
Address parity error
26
PAR
I/O
Parity. Even parity computed for AD[31:0] and C/BE[3:0];
master drives PAR for address and write data phase, target
drives PAR for read data phase.
Boot ROM/EEPROM interface
56~59
61~66
80~86
87
BrA0~3
BrA4~9
BrA10~15
BrA16/
LED M2 -
Fd/Col
I/O
ROM data bus
Provides up to 128Kbit EPROM or flash-ROM application
space.
This pin can be programmed as mode 2 LED display for full
duplex or collision status. It will be driven (LED on)
continually when a full duplex configuration is detected, or it
will be driven at a 20 Hz blinking frequency when a collision
status is detected in the half duplex configuration.
67~71
72
73
74
BrD0~4
BrD5/EDO
BrD6/EDI
BrD7/ECK
O
O/I
O/O
O/O
BootROM data bus (0~7)
EDO: Data output of serial EEPROM, data input to
STE10/100A
EDI: Data input to serial EEPROM, data output from
STE10/100A
ECK: Clock input to serial EEPROM, sourced by
STE10/100A
76
EECS
O
Chip select of serial EEPROM
77
BrCS#
O
BootROM chip select
78
BrOE#
O
BootROM read output enable for flash ROM application
79
BrWE#
O
BootROM write enable for flash ROM application.
Table 1.
Pin description (continued)
Pin no.
Name
Type
Description




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