R1610C RDC Semiconductor, R1610C Datasheet - Page 113

• Manufacturer Part Number: R1610C
• Description: High Performance 16 Bits MCU Integrated One 10/100M Mac Controller - 3.3V Operating Voltage/2.5V Core Voltage
• Manufacturer: RDC Semiconductor

R
Data Sheet
Final Version 1.5
October 27, 2003
R
20.12
Rsvd MIIWR MIIRD
Register Offset:
Register Name:
Reset Value
12-8
7-5
4-0
15
Bit
10
15
14
13
11
9
8
7
6
5
4
3
2
1
0
D
D
BROADCAST
14
REGAD [4:0]
RXDESPUA
MULTICAST
PHYAD [4:0]
C
MMDIO: MDIO Control Register (20h)
C
DRIBBLE
CRCERR
PHYERR
PHYSTS
TXFUR
MIIWR
LONG
RUNT
MIIRD
Name
Rsvd
Rsvd
Rsvd
OBL
13
®
®
:
R
R
I
I
S
S
C
C
20h
MMDIO: MDIO Control Register
0000h
D
D
12
S
S
P
P
Attribute
C
C
o
o
m
m
R/W
R/W
R/W
R/W
RO
RO
m
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
m
u
u
11
n
n
i
i
c
c
a
a
t
t
PHYAD [4:0]
i
i
o
o
n
n
The value is the status of input pin PHY_CHG.
RX Descriptor Unavailable.
TX FIFO Under-Run.
Reserved
PHY RX Error.
Dribble Packet.
Received Packet Length Over Buffer Length.
Received Packets Too Long.
Received Packets Too Short.
Received Packets CRC Error.
Received Broadcast Packets.
Received Multicast Packets.
Reserved
MDIO Write.
Set 1 to write MIIWDATA [15:0] to MDIO. It will be cleared after the operation is
completed.
MDIO Read.
Set 1 to read data from MDIO into MIIRDATA [15:0]. It will be cleared after the
operation is completed.
PHY address.
Reserved
REG address.
10
9
8
7
Reserved
6
Description
5
4
Fast Ethernet RISC Processor
3
REGAD [4:0]
2
1
R1610C
0
113