Cirrus Logic EP93xx User Manual
Page 369

DS785UM1
9-67
Copyright 2007 Cirrus Logic
1/10/100 Mbps Ethernet LAN Controller
EP93xx User’s Guide
9
9
9
Soft Reset:
0x0000_0000
Definition:
MII Status Register
Bit Descriptions:
RSVD:
Reserved. Unknown During Read.
Busy:
MII Busy. The Busy bit is set whenever a command is
written to the MII Command Register. It is cleared when
the operation has been completed.
Descriptor Processor Registers
The Descriptor Processor Registers are in three parts: the bus master control, receive
registers, and transmit registers.
BMCtl
Address:
0x8001_0080 - Read/Write
Chip Reset:
0x0000_0000
Soft Reset:
0x0000_0000
Definition:
Bus Master Control Register
Bit Descriptions:
RSVD:
Reserved. Unknown During Read.
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
RSVD
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
RSVD
MT
TT
UnH
TxChR
TxDis
TxEn
RSVD
EH2
EH1
EEOB
RSVD
RxChR
RxDis
RxEn