DM9016
3-port switch with Processor Interface
6. Control and Status Register Set
The DM9016 implements several control and status
registers (Register is 8 bit width), which can be accessed by
the host. All CSRs are set to their default values by
power-on or hardware or software reset unless specified
Register
Description
Offset
Default value
after reset
00H
NCR
NSR
Network Control Register
Network Status Register
00H
01H
00H
TCR
TX Control Register
02H
00H
RCR
RX Control Register
05H
00H
RSR
RX Status Register
06H
00H
ROCR
FCR
Receive Overflow Counter Register
Flow Control Register
07H
00H
00H
00H
40H
XXH
XXH
00H
by EEPROM
XXH
01H
XXH
00H
00H
00H
00H
0A46H
9016H
02H
00H
00H
00H
00H
00H
00H
21H
00H
21H
20H
XXH
XXH
XXH
00H
0AH
0BH
0CH
0DH
0EH
0FH
10H-15H
16H-1DH
1EH
1FH
20H
21H
26H
27H
28H-29H
2AH-2BH
2CH
31H
32H
34H
35H
36H
37H
38H
39H
3AH
3FH
40H
41H
42H
52H
53H
54H
EPCR
EPAR
EPDRL
EPDRH
WUCR
PAR
MAR
GPCR
GPR
RXPLLR
RXPLHR
RASR
RACR
VID
EEPROM & PHY Control Register
EEPROM & PHY Address Register
EEPROM & PHY Low Byte Data Register
EEPROM & PHY High Byte Data Register
Wake Up Control Register (0FH)
Processor Port Physical Address Registers
Processor Port Multicast Address Registers
General Purpose Control Register
General Purpose Register
RX Packet Length Low Register
RX Packet Length High Register
RX Additional Status Register
RX Additional Control Register
Vendor ID
PID
Product ID
CHIP Revision
CHIPR
TCSCR
RCSCSR
GPCR2
GPR2
GPCR3
GPR3
DRIVER
IRQCR
P2FRV
TXBSCR
MONIR1
MONIR2
MONIR3
Transmit Check Sum Control Register
Receive Check Sum Control Status Register
General Purpose Control Register 2
General Purpose Register 2
General Purpose Control Register 3
General Purpose Register 3
uP Data Bus driving capability Register
IRQ Control Register
Port 2 driving capability Register
TX Block Size Control Register
Monitor Register 1
Monitor Register 2
Monitor Register 3
SWITCHCR SWITCH Control Register
VLANCR VLAN Control Register
SWITCHSR SWITCH Status Register
00H
00H
BWLED
DSP1,2
P_INDEX
Bandwidth LED Control Register
DSP Control Register I,II
Per Port Control/Status Index Register
55H
58H~59H
60H
FFH
0000H
00H
20
Preliminary datasheet
DM9016-13-DS-P01
March 26, 2009
DAVICOM [ DAVICOM SEMICONDUCTOR, INC. ]
