Hi-Speed USB 2.0 to 10/100/1000 Ethernet Controller
Datasheet
The implemented IEEE 1149.1 instructions and their op codes are shown in Table 1.1.
Table 1.1 IEEE 1149.1 Op Codes
OP CODE COMMENT
INSTRUCTION
Bypass
111
010
000
011
100
001
Mandatory Instruction
Mandatory Instruction
Mandatory Instruction
Optional Instruction
Optional Instruction
Optional Instruction
Sample/Preload
EXTEST
Clamp
HIGHZ
IDCODE
Note: All digital I/O pins support IEEE 1149.1 operation. Analog pins and the XO pin do not support
IEEE 1149.1 operation.
1.1.11
1.1.12
Test Features
Read/Write access to internal SRAMs is provided via the devices registers. JTAG based USB BIST is
available.
System Software
LAN7500/LAN7500i software drivers are available for the following operating systems:
Windows XP/ Vista/ Windows 7
Win CE
Linux
MAC OS
DOS ODI
In addition, an EEPROM programming utility is available for configuring the external EEPROM. PXE
Support is also available.
Revision 1.0 (11-01-10)
SMSC LAN7500/LAN7500i
DATA1S0HEET
SMSC [ SMSC CORPORATION ]
