Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK 数据表
产品代码
AT91SAM9N12-EK
10
SAM9N12/SAM9CN11/SAM9CN12 [DATASHEET]
11063K–ATARM–05-Nov-13
4.2
Mechanical Overview of the 247-ball BGA Package
shows the orientation of the 247-ball BGA Package
Figure 4-2. Orientation of the 247-ball BGA Package
BOTTOM VIEW
BALL A1