AM79C971VCW Advanced Micro Devices, AM79C971VCW Datasheet - Page 5

• Manufacturer Part Number: AM79C971VCW
• Description: PCnet-FAST Single-Chip Full-Duplex 10/100 Mbps Ethernet Controller for PCI Local Bus
• Manufacturer: Advanced Micro Devices

BLOCK DIAGRAM
AD[31:00]
C/BE[3:0]
DEVSEL
FRAME
SLEEP
IDSEL
PERR
SERR
TRDY
STOP
IRDY
INTA
REQ
TMS
TDO
GNT
RST
PAR
TCK
CLK
TDI
Control
JTAG
Port
Interface
PCI Bus
Unit
Management
Buffer
Unit
FIFO
FIFO
Bus
Rcv
Bus
Xmt
Control
Expansion Bus Interface
FIFO
Am79C971
Negotiation
Manager
Network
FIFO
MAC
FIFO
MAC
Auto
Xmt
Port
Rcv
EBUA_EBA[7:0]
EBDA[15:8]
EBD[7:0]
EROMCS
ERAMCS
AS_EBOE
EBWE
EBCLK
802.3
MAC
Core
Manchester
10BASE-T
EEPROM
Encoder/
Interface
Decoder
AUI Port
(PLS) &
Control
93C46
MAU
LED
GPSI
EADI
Port
Port
Port
MII
TXEN
TXCLK
TXDAT
RXEN
RXCLK
RXDAT
CLSN
TX_E
TXD[3:0]
TX_EN
TX_CLK
COL
RXD[3:0]
RX_ER
RX_CLK
RX_DV
CRS
MDC
MDIO
SRDCLK
SRD
SF/BD
EAR
RXFRTGD/MIIRXFRTGD
RXFRTGE/MIIRXFRTGE
XTAL1
XTAL2
DO+/-
DI+/-
CI+/-
TXD+/-
TXP+/-
RXD+/-
EECS
EESK
EEDI
EEDO
LED0
LED1
LED2
LED3
20550D-1
5