dm9302 Davicom Semiconductor, Inc., dm9302 Datasheet - Page 15

• Manufacturer Part Number: dm9302
• Description: 10/100mbps Ethernet Fiber/twisted Pair Media Converter With Local Bus
• Manufacturer: Davicom Semiconductor, Inc.

6. CONTROL AND STATUS REGISTER SET
The DM9302 implements several control and status
registers (CSR), which can be accessed by the host.
Preliminary datasheet
DM9302-15-DS-P01
July 30, 2009
VLAN_TAGH
VLAN_TAGL
P_UNKNWN
P_UNICAST
SWITCHCR
P_MIB_IDX
P_BCAST
RCSCSR
P_INDEX
MIB_DAT
P_MULTI
RXPLHR
VLANCR
Register
RXPLLR
P_STUS
P_RATE
DRIVER
P_CTRL
EPDRH
TCSCR
EPDRL
DSP1,2
IRQCR
CHIPR
ROCR
RACR
P_BW
P_PRI
EPCR
EPAR
LCCR
RASR
MAR
NCR
RCR
NSR
TCR
RSR
FCR
PAR
VID
Network Control Register
Network Status Register
TX Control Register
RX Control Register
RX Status Register
Receive Overflow Counter Register
Flow Control Register
EEPROM & PHY Control Register
EEPROM & PHY Address Register
EEPROM & PHY Low Byte Data Register
EEPROM & PHY High Byte Data Register
Link Change Control Register (0FH)
Processor Port Physical Address Registers
Processor Port Multicast Address Registers
RX Packet Length Low Register
RX Packet Length High Register
RX Additional Status Register
RX Additional Control Register
Vendor ID Registers
CHIP Revision Registers
Transmit Check Sum Control Register
Receive Check Sum Control Status Register
uP Data Bus driving capability Register
IRQ Pin Control Register
Switch Control Register
VLAN Control Register
DSP Control Register I,II
Per Port Control/Status Index Register
Per Port Control Data Register
Per Port Status Data Register
Per Port Ingress and Egress Rate Control Register
Per Port Bandwidth Control Setting Register
Per Port Block Unicast Ports Control Register
Per Port Block Multicast Ports Control Register
Per Port Block Broadcast Ports Control Register
Per Port Block Unknown Ports Control Register
Per Port Priority Queue Control Register
Per Port VLAN Tag Low Byte Register
Per Port VLAN Tag High Byte Register
Per Port MIB counter Index Register
MIB counter Data Register bit 0~7
10/100Mbps Ethernet Fiber/Twisted Pair Media Converter with Local bus
Description
All CSR are set to their default values by power on or
software reset unless specified.
00H
01H
02H
05H
06H
07H
0AH
0BH
0CH
0DH
0EH
0FH
10H-15H
16H-1DH
20H
21H
26H
27H
28H-29H
2CH
31H
32H
38H
39H
52H
53H
58H~59H
60H
61H
62H
66H
67H
68H
69H
6AH
6BH
6DH
6EH
6FH
80H
81H
Offset
Default value
after reset
00H
00H
00H
00H
00H
00H
00H
00H
40H
00H
00H
00H
by EEPROM
XXH
00H
00H
00H
00H
0A46H
01H
00H
00H
00H
00H
00H
00H
0000H
00H
00H
00H
00H
00H
00H
00H
00H
00H
00H
01H
00H
00H
00H
DM9302
15