am79c940 Advanced Micro Devices, am79c940 Datasheet - Page 75

• Manufacturer Part Number: am79c940
• Description: Media Access Controller For Ethernet Mace
• Manufacturer: Advanced Micro Devices

Register Bit Summary
16-Bit Registers
8-Bit Registers
Receive Frame Status
Address
Address
RFS0
RFS1
RFS2
RFS3
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
2
3
4
5
6
7
8
9
0
1
ADDRCHG
XMTSV
DRTRY
XMTSV
EXDEF
PROM
LNKFL
RTRE
OFLO
JABM
RES
RES
RES
JAB
XMTFW [1–0]
DXMT2PD
DLNKTST
TDTREQ
BABLM
BSWP
RTRD
UFLO
CLSN
BABL
RES
RES
RES
RES
RES
RCVFC [3–0]
RDTREQ
REVPOL
CERRM
CERR
EMBA
FRAM
LCOL
RES
RES
RES
RES
RES
RPA
XMTSP [1–0]
RCVFW [1–0]
RCVFIFO [15–0]
XMTFIFO [15–0]
Am79C940
RCVCCOM
RCVCCO
FCOLL
MORE
DAPC
RES
RES
RES
RES
RES
RES
RES
FCS
Mnemonic
Mnemonic
RCVFS [31–00]
CHIPID [07–00]
CHIPID [15–08]
LADRF [63–00]
PADR [47–00]
RCVCNT [7:0]
RNTPC [7–0]
RCVCC [7–0]
RNTPC [7–0]
RCVCC [7–0]
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
MPC [7–0]
RNTPCOM
DXMTFCS
RCVFCSE
XMTFWU
RNTPCO
DRCVPA
XMTSEL
LLRCV
ONE
RES
RES
RES
LRT
PHYADDR
RCVFWU
DRCVBC
MPCOM
DEFER
MPCO
ASEL
RES
RES
RES
M/R
RCVCNT [10:8]
PORTSEL [1–0]
XMTRC [3–0]
XMTFC [3–0]
LOOP [1–0]
LOGADDR
XMTBRST
RCVINTM
RCVINT
RWAKE
ENXMT
LCAR
RES
RES
RES
RES
ASTRPRCV
APADXMT
RCVBRST
XMTINTM
AMD
ENPLSIO
XMTINT
SWRST
AWAKE
ENRCV
RES
RTRY
RES
RES
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