LAN9312 Datasheet, PDF (150/458 Pages) SMSC Corporation – High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface

High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
Datasheet
DIGITAL_RST, nRST,
POR, RELOAD
EPC_BUSY = 1
Read Byte 0
Byte 0 = A5h ^N
Y
Read Bytes 1-6
Write Bytes 1-6 into Host
MAC and switch MAC
Address Registers
Load PHY registers with
current straps
Read Byte 7-11
Byte 7 = A5h ^N
Y
Write Bytes 8-11 into
Configuration Strap
registers
Load PHY registers with
current straps
Update PHY registers
EPC_BUSY = 0
Soft Reset
N
Y
EPC_BUSY = 1
Read Byte 0
Byte 0 = A5h ^N
Y
Read Bytes 1-6
Write Bytes 1-6 into Host
MAC Address Registers
Update VPHY registers
Update LED_CFG,
MANUAL_FC_1,
MANUAL_FC_2 and
MANUAL_FC_mii
registers
Read Byte 12
Revision 1.2 (04-08-08)
Byte 12 = A5h ^N
Y
Perform register data
load loop
Figure 10.14 EEPROM Loader Flow Diagram
150
DATASHEET
SMSC LAN9312