AM79C976 Advanced Micro Devices, AM79C976 Datasheet - Page 4

• Manufacturer Part Number: AM79C976
• Description: PCnet-PRO 10/100 Mbps PCI Ethernet Controller
• Manufacturer: Advanced Micro Devices

BLOCK DIAGRAM
4
C/BE[3:0]
DEVSEL
AD[31:0]
FRAME
IDSEL
PERR
SERR
TRDY
STOP
EEDO
EECS
IRDY
EESK
INTA
REQ
GNT
PAR
EEDI
RST
TMS
TDO
CLK
TCK
TDI
Control
EEPROM
Interface
JTAG
PCI Bus
Interface
Port
93CXX
Unit
Counters
WUMI
RWU
PME
MIB
Management Unit
Register Control
Memory Control
and Status Unit
Expansion Bus
P R E L I M I N A R Y
Management
Descriptor
Interface
OnNow
Power
Unit
Unit
Am79C976
PG
VAUX_SENSE
802.3
MAC
Core
Network Port
Manager
ERADV/FLOE
ERADSP/ICEN
ERCLK
ERD[31:0]/FLD[7:0]/FLA[23.20]
ERA[19:0]/FLA[19:0]
ERCE
EROE
ERWE
FLCS
Generator
Clock
Control
LED
EADI
Port
Port
MII
MDC
MDIO
TXD[3:0]
TX_EN
TX_CLK
COL
RXD[3:0]
RX_ER
RX_CLK
RX_DV
CRS
FC
PHY_RST
TEST
XTAL1
XTAL2
XCLK
CLKSEL0
CLKSEL1
CLKSEL2
LED0
LED1
LED2
LED3
SFBD
EAR
RXFRTGD
RXFRTGE
22929B1
8/01/00