Datasheet

LPC81XM All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet Rev. 4.3 — 22 April 2014 4 of 76
NXP Semiconductors
LPC81xM
32-bit ARM Cortex-M0+ microcontroller
5. Marking
The LPC81xM devices typically have the following top-side marking:
LPC81x
xxxxx
xxxxxxxx
xxYWWxR[x]
The last two letters in the last line (field ‘xR’) identify the boot code version and device
revision.
Field ‘Y’ states the year the device was manufactured. Field ‘WW’ states the week the
device was manufactured during that year.
Remark: On the TSSOP16 package, the last line includes only the date code xxYWW.
Table 3. Device revision table
Revision identifier (xR) Revision description
‘1A’ Initial device revision with boot code version 13.1
‘2A’ Device revision with boot code version 13.2
’4C’ Device revision with boot code version 13.4