AM79C940KCW AMD [Advanced Micro Devices], AM79C940KCW Datasheet - Page 74

• Manufacturer Part Number: AM79C940KCW
• Description: Media Access Controller for Ethernet (MACE)
• Manufacturer: AMD [Advanced Micro Devices]

Register Table Summary
74
AMD
Address
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
0
1
2
3
4
5
6
7
8
9
Mnemonic
RCVFIFO
XMTFIFO
FIFOCC
MACCC
XMTRC
FIFOFC
RCVCC
XMTFC
XMTFS
RCVFC
PHYCC
RNTPC
RCVFS
PLSCC
CHIPID
CHIPID
LADRF
BIUCC
PADR
RTR1
RTR2
MPC
UTR
IMR
IAC
PR
IR
Receive FIFO [15–00]
Transmit FIFO [15–00]
Transmit Frame Control
Transmit Frame Status
Transmit Retry Count
Receive Frame Control
Receive Frame Status (4-bytes)
FIFO Frame Count
Interrupt Register
Interrupt Mask Register
Poll Register
BIU Configuration Control
FIFO Configuration Control
MAC Configuration Control
PLS Configuration Control
PHY Configuration Control
Chip Identification Register [07–00]
Chip Identification Register [15–08]
Internal Address Configuration
Reserved
Logical Address Filter (8-bytes)
Physical Address (6-bytes)
Reserved
Reserved
Missed Packet Count
Reserved
Runt Packet Count
Receive Collision Count
Reserved
User Test Register
Reserved Test Register 1
Reserved Test Register 2
Am79C940
Contents
Read only
Write only
Read/Write
Read only
Read only
Read/Write
Read only
Read only
Read only
Read/Write
Read only
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read only
Read only
Read/Write
Read/Write as 0
Read/Write
Read/Write
Read/Write as 0
Read/Write as 0
Read only
Read/Write as 0
Read only
Read only
Read/Write as 0
Read/Write
Read/Write as 0
Read/Write as 0
Comments