DM9016 Datasheet, PDF (20/85 Pages) Davicom Semiconductor, Inc. – 10/100 Mbps 3-port Ethernet Switch Controller with General Processor Interface

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
Register
Description
NCR
NSR
TCR
RCR
RSR
ROCR
FCR
EPCR
EPAR
EPDRL
EPDRH
WUCR
PAR
MAR
GPCR
GPR
RXPLLR
RXPLHR
RASR
RACR
VID
PID
CHIPR
TCSCR
RCSCSR
GPCR2
GPR2
GPCR3
GPR3
DRIVER
IRQCR
P2FRV
TXBSCR
MONIR1
MONIR2
MONIR3
SWITCHCR
VLANCR
SWITCHSR
BWLED
DSP1,2
P_INDEX
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
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
Product ID
CHIP Revision
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
SWITCH Control Register
VLAN Control Register
SWITCH Status Register
Bandwidth LED Control Register
DSP Control Register I,II
Per Port Control/Status Index Register
the host. All CSRs are set to their default values by
power-on or hardware or software reset unless specified
Offset
Default value
after reset
00H
00H
01H
00H
02H
00H
05H
00H
06H
00H
07H
00H
0AH
00H
0BH
00H
0CH
40H
0DH
XXH
0EH
XXH
0FH
00H
10H-15H
by EEPROM
16H-1DH
XXH
1EH
01H
1FH
XXH
20H
00H
21H
00H
26H
00H
27H
00H
28H-29H
0A46H
2AH-2BH
9016H
2CH
02H
31H
00H
32H
00H
34H
00H
35H
00H
36H
00H
37H
00H
38H
21H
39H
00H
3AH
21H
3FH
20H
40H
XXH
41H
XXH
42H
XXH
52H
00H
53H
00H
54H
00H
55H
FFH
58H~59H
0000H
60H
00H
20
Preliminary datasheet
DM9016-13-DS-P01
March 26, 2009