dm9302 Davicom Semiconductor, Inc., dm9302 Datasheet - Page 34

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

7. EEPROM FORMAT
34
Auto Load Control
Switch Control 1
Switch Control 2
Port 0 Control 1
Port 0 Control 2
Port 1 Control 1
Port 1 Control 2
MAC address
RESERVED
PHY control
Vendor ID
pin control
name
Control
Word
8~15
0~2
16
17
18
19
20
21
22
3
4
6
7
10/100Mbps Ethernet Fiber/Twisted Pair Media Converter with Local bus
6 byte Ethernet Address
Bit 1:0=01: Update vendor ID and product ID
Bit 3:2=01: Accept setting of WORD6 [4:0]
Bit 5:4= reserved
Bit 7:6= reserved, set to 00 in application
Bit 9:8=Reserved
Bit 11:10= Reserved, set to 00 in application
Bit 13:12= Reserved
Bit 15:14=01: Accept setting of WORD7 [15:12]
2-byte vendor ID (Default: 0A46H)
When word 3 bit [3:2] =01, these bits can control the CS#, IOR#, IOW#
and IRQ pins polarity.
Bit0: CS# pin is active high when set (default active low)
Bit1: IOR# pin is active high when set (default: active low)
Bit2: IOW# pin is active high when set (default: active low)
Bit3: IRQ pin is active low when set (default: active high)
Bit4: IRQ pin is open-collected (default: force output)
Bit 15:5: Reserved
Bit11:0: reserved
Bit 13:12 reserved, set 00 in application
Bit14: Port 1 AUTO-MDIX control 1: ON, 0: OFF(default ON)
Bit15: Port 0 AUTO-MDIX control 1: ON, 0: OFF(default ON)
Reserved
Bit 1:0=01: Accept setting of WORD 17,18
Bit 3:2=01: Accept setting of WORD 19~26
Bit 5:4=01: Accept setting of WORD 27~30
Bit 7:6=01: Accept setting of WORD 31
Bit 9:8=01: Accept setting of WORD 32~39
Bit 11:10=01: Accept setting of WORD 40~47
Bit 15:12 = Reserved, set 0000 in application
When word 16 bit 1:0 is “01”, after power on reset:
This word bit 7~0 will be loaded to Reg. 52H bit 7~0
This word bit 15~8 will be loaded to Reg. 53H bit 7~0
When word 16 bit 1:0 is “01”, after power on reset:
This word bit 7~0 will be loaded to Reg. 58H bit 7~0
This word bit 15~8 will be loaded to Reg. 59H bit 7~0
When word 16 bit 3:2 is “01”, after power on reset:
This word bit 7~0 will be loaded to port 0 Reg. 61H bit 7~0
This word bit 15~8 will be loaded to port 0 Reg. 66H bit 7~0
When word 16 bit 3:2 is “01”, after power on reset:
This word bit 7~0 will be loaded to port 0 Reg. 67H bit 7~0
This word bit 15~8 will be loaded to port 0 Reg. 6DH bit 7~0
When word 16 bit 3:2 is “01”, after power on reset:
This word bit 7~0 will be loaded to port 1 Reg. 61H bit 7~0
This word bit 15~8 will be loaded to port 1 Reg. 66H bit 7~0
When word 16 bit 3:2 is “01”, after power on reset:
Description
DM9302
Preliminary datasheet
DM9302-15-DS-P01
July 30, 2009