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DS00003646B-page 7

LAN9255

3.3

Device ID

• The LAN9255 provides a dedicated device ID returned by the integrated SAM E53J. This enables developers to

distinguish between discrete SAM E53J implementations and those with the LAN9255. A list of the Device IDs for

the various ordering options is detailed in Table 3-3.

• The integrated LAN9253 returns its normal device ID.

3.4

Extended Temperature Operation

As also noted in the LAN9253 Data Sheet, for the extended industrial temperature range option, the following restric-

tions apply:

• Internal regulator disabled

• 2.5V (typical) Ethernet magnetics voltage required

TABLE 3-3:

DEVICE ID

CPP Number

Temp/MEM Size

UNG Part ID

LAN9255-V/ZMX020

105°C 1024k Memory

0x61830355

LAN9255-I/ZMX020

85°C 1024k Memory

0x61830355

LAN9255/ZMX020

70°C 1024k Memory

0x61830355

LAN9255-V/ZMX019

105°C 512k Memory

0x61830356

LAN9255-I/ZMX019

85°C 512k Memory

0x61830356

LAN9255/ZMX019

70°C 512k Memory

0x61830356

LAN9255-V/ZMX018

105°C 256k Memory

0x61830357

LAN9255-I/ZMX018

85°C 256k Memory

0x61830357

LAN9255/ZMX018

70°C 256k Memory

0x61830357