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YMLLLLS
G1
TM4C129
CNCPDTI
$$
Device Revision Code
Device Markings
www.ti.com
4
SPMZ850FOctober 2013Revised May 2016
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Copyright © 2013–2016, Texas Instruments Incorporated
Tiva™ C Series TM4C129x Microcontrollers Silicon Revisions 1, 2, and 3
3 Device Markings
Figure 1 shows an example of the Tiva™ C Series TM4C129x microcontroller package symbolization.
Figure 1. Example of Device Part Markings
This identifying number contains the following information:
Lines 1 and 5: Internal tracking numbers
Lines 2 and 3: Part number
For example, TM4C129C on the second line followed by NCPDTI on the third line indicates orderable part
number TM4C129CNCPDTI. Note that the first letter in the part number indicates the product status. A T
indicates the part is fully qualified and released to production; an X indicates the part is experimental (pre-
production) and requires a waiver. Pre-production parts also include a revision number in the part number,
for example, XM4C129C followed by NCPDTI3 indicates revision 3. The DID0 register identifies the
version of the microcontroller, as shown in Table 1. The MAJOR and MINOR bit fields indicate the die
revision number. Combined, the MAJOR and MINOR bit fields indicate the TM4C129x microcontroller
silicon revision number.
Table 1. Tiva™ C Series TM4C129x Silicon Revision Codes
MAJOR
Bit Field Value
MINOR
Bit Field Value
Die Revision Silicon Revision
0x0 0x0 A0 1
0x0 0x1 A1 2
0x0 0x2 A2 3
Line 4: Date code The first two characters on the fourth line indicate the date code, followed by
internal tracking numbers. The two-digit date code YM indicates the last digit of the year, then the
month. For example, a 34 for the first two digits of the fourth line indicates a date code of April 2013.

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