Datasheet
DS5792 Rev 13 131/143
STM32F103xC, STM32F103xD, STM32F103xE Package information
135
Device marking for LQFP64 package
The following figure gives an example of topside marking orientation versus pin 1 identifier
location.
Figure 78. LQFP64 marking example (package top view)
1. Parts marked as ES or E or accompanied by an Engineering Sample notification letter are not yet qualified
and therefore not approved for use in production. ST is not responsible for any consequences resulting
from such use. In no event will ST be liable for the customer using any of these engineering samples in
production. ST’s Quality department must be contacted prior to any decision to use these engineering
samples to run a qualification activity
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