EFR32FG12 Datasheet, PDF (181/183 Pages) –

8.3 QFN48 Package Marking
EFR32FG12 Flex Gecko Proprietary Protocol SoC Family Data Sheet
QFN48 Package Specifications
EFR32
PPPPPPPPPP
YYWWTTTTTT
Figure 8.3. QFN48 Package Marking
The package marking consists of:
• PPPPPPPPP – The part number designation.
1. Family Code (B | M | F)
2. G (Gecko)
3. Series (1, 2,...)
4. Device Configuration (1, 2,...)
5. Performance Grade (P | B | V)
6. Feature Code (1 to 7)
7. TRX Code (3 = TXRX | 2= RX | 1 = TX)
8. Band (1 = Sub-GHz | 2 = 2.4 GHz | 3 = Dual-band)
9. Flash (J = 1024K | H = 512K | G = 256K | F = 128K | E = 64K | D = 32K)
10. Temperature Grade (G = -40 to 85 | I = -40 to 125)
• YY – The last 2 digits of the assembly year.
• WW – The 2-digit workweek when the device was assembled.
• TTTTTT – A trace or manufacturing code. The first letter is the device revision.
silabs.com | Building a more connected world.
Rev. 1.0 | 176