AM79C978A AMD [Advanced Micro Devices], AM79C978A Datasheet - Page 4

• Manufacturer Part Number: AM79C978A
• Description: Single-Chip 1/10 Mbps PCI Home Networking Controller
• Manufacturer: AMD [Advanced Micro Devices]

BLOCK DIAGRAM
4
C/BE[3:0]
AD[31:0]
DEVSEL
FRAME
IDSEL
TRDY
STOP
PERR
SERR
IRDY
INTA
REQ
GNT
RST
PAR
TMS
TDO
CLK
TCK
TDI
Control
JTAG
Port
Interface
PCI Bus
Management
Unit
Buffer
Unit
Control
FIFO
FIFO
Bus
Rcv
FIFO
Xmt
Bus
PME
SRAM
12K
Management
Network
Manager
OnNow
Port
Power
Unit
MAC
FIFO
MAC
FIFO
Rcv
Xmt
PG
Am79C978A
802.3
MAC
Core
MDC
MDIO
Management
Management
Interface
Interface
MII
MII
MII
MII
Control
PHY
EEPROM
Interface
Control
93C46
1Mbps HomePNA PHY
Transmit
Machine
Machine
Receive
LED
State
State
Transmit
Machine
Machine
Receive
State
State
Monitor
10 Mbps PHY
Link
PHY Control
Monitor
Link
10 BASE-T
Negotiation
Auto
Control
Analog
Drive
Front
End
RX±
EESK
EEDI
EEDO
TX±
LED0
LED1
LED2
EECS
HRTXRXP/N
LED3
LED4
22399A-1