LAN9312-NZW Standard Microsystems (SMSC), LAN9312-NZW Datasheet - Page 145

• Manufacturer Part Number: LAN9312-NZW
• Manufacturer: Standard Microsystems (SMSC)

Specifications of LAN9312-NZW

• Lead Free Status / RoHS Status: Supplier Unconfirmed

High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
Datasheet
SMSC LAN9312
10.2.3.2
EECLK
ERASE
WRITE
WRITE
EWDS
EWEN
EWDS
EWEN
EEDO
WRAL
WRAL
READ
READ
EECS
ERAL
INST
INST
EEDI
START
START
ERASE (Erase Location)
If erase/write operations are enabled in the EEPROM, this command will erase the location selected
by the EPC_ADDRESS field of the
bit is set if the EEPROM does not respond within 30mS.
BIT
BIT
1
1
1
1
1
1
1
1
1
1
1
1
Table 10.5 Microwire Command Set for 9 Address Bits (continued)
1
OPCODE
OPCODE
00
00
10
01
00
00
00
00
10
01
00
11
Table 10.6 Microwire Command Set for 11 Address Bits
1
A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0
A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0
A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0
1 0 X X X X X X X X X
0 0 X X X X X X X X X
1 1 X X X X X X X X X
0 1 X X X X X X X X X
A8 A7 A6 A5 A4 A3 A2 A1 A0
A8 A7 A6 A5 A4 A3 A2 A1 A0
Figure 10.7 EEPROM ERASE Cycle
0 0 X X X X X X X
1 1 X X X X X X X
0 1 X X X X X X X
1
ADDRESS
ADDRESS
DATASHEET
Ax
EEPROM Command Register
145
A0
DATA TO
DATA TO
EEPROM
EEPROM
D7 - D0
D7 - D0
D7 - D0
D7 - D0
-
-
-
-
-
-
-
-
(E2P_CMD). The EPC_TIMEOUT
DATA FROM
DATA FROM
(RDY/~BSY)
(RDY/~BSY)
(RDY/~BSY)
(RDY/~BSY)
(RDY/~BSY)
(RDY/~BSY)
EEPROM
EEPROM
D7 - D0
D7 - D0
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Revision 1.7 (06-29-10)
CLOCKS
CLOCKS
# OF
# OF
12
12
20
20
20
14
14
14
14
22
22
22