Mechanical Dimensions & Land Pattern (BGA-247)
Extracted from Datasheet & IPC-7351B NormalizedRecommended Companion BOM & Drop-In Equivalents
Passive external components per reference schematic and 1:1 pin-compatible alternatives| Designator / Replacement MPN | Value / Package | Function & PCB Layout Rule |
|---|---|---|
| N/A BOM | Per application circuit BGA-247 | Size power & signal trace widths for rated load current following IPC-2221 clearance rules. |
Technical Frequently Asked Questions (FAQ) — AT91SAM9CN12B-CFUR (BGA-247)
Quick answers covering Pinout, IPC-7351B Land Pattern dimensions, and CAD export formatsWhat is the Pinout and operating voltage specification of AT91SAM9CN12B-CFUR (BGA-247)?
Manufactured by MICROCHIP, the AT91SAM9CN12B-CFUR is housed in a BGA-247 package with 247 pins and a 0.50 mm lead pitch. Key pins include: A1 (VDDANA: Power Supply Input (VDDANA — 3.3V / 5.0V Standard Logic)), A2 (VDDANA: Power Supply Input (VDDANA — 3.3V / 5.0V Standard Logic)), A12 (VDDIOM: Power Supply Input (VDDIOM — 3.3V / 5.0V Standard Logic)), A14 (VDDIOM: Power Supply Input (VDDIOM — 3.3V / 5.0V Standard Logic)), A16 (VDDIOM: Power Supply Input (VDDIOM — 3.3V / 5.0V Standard Logic)), A18 (VDDIOM: Power Supply Input (VDDIOM — 3.3V / 5.0V Standard Logic)).
What are the IPC-7351B PCB Footprint dimensions for AT91SAM9CN12B-CFUR?
Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), AT91SAM9CN12B-CFUR (BGA-247) has a nominal body envelope of 10.00 × 10.00 mm, pitch e = 0.50 mm, and 247 copper pads.
Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for AT91SAM9CN12B-CFUR?
You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for AT91SAM9CN12B-CFUR (MICROCHIP, BGA-247) directly on this page, including KiCad 8 Footprints (.kicad_mod), Schematic Symbols (.kicad_sym), Autodesk Fusion 360 / Eagle (.lbr), and 3D STEP AP214 / WebGL GLB models.
Static Reference Appendix: Pinout Table (247 pins) & AT91SAM9CN12 Family VariantsExpand static table
| Pin # | Signal Name | Electrical Type | Functional Description & Design Notes |
|---|---|---|---|
| A1 | VDDANA | Power_In | Primary positive power supply input (VDDANA) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| A2 | VDDANA | Power_In | Primary positive power supply input (VDDANA) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| A12 | VDDIOM | Power_In | Primary positive power supply input (VDDIOM) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| A14 | VDDIOM | Power_In | Primary positive power supply input (VDDIOM) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| A16 | VDDIOM | Power_In | Primary positive power supply input (VDDIOM) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| A18 | VDDIOM | Power_In | Primary positive power supply input (VDDIOM) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| A19 | VDDIOM | Power_In | Primary positive power supply input (VDDIOM) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| B1 | VDDANA | Power_In | Primary positive power supply input (VDDANA) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| B2 | GNDANA | GND | 0V electrical ground return terminal (GNDANA) for internal core logic, I/O drivers, and analog sub-blocks. |
| B3 | VDDANA | Power_In | Primary positive power supply input (VDDANA) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| B4 | VDDBU | Power_In | Primary positive power supply input (VDDBU) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| B5 | VDDBU | Power_In | Primary positive power supply input (VDDBU) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| B6 | VDDIOM | Power_In | Primary positive power supply input (VDDIOM) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| B7 | VDDIOM | Power_In | Primary positive power supply input (VDDIOM) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| B8 | VDDIOM | Power_In | Primary positive power supply input (VDDIOM) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| B9 | VDDIOM | Power_In | Primary positive power supply input (VDDIOM) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| B10 | VDDIOM | Power_In | Primary positive power supply input (VDDIOM) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| B11 | VDDIOM | Power_In | Primary positive power supply input (VDDIOM) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| B13 | VDDIOM | Power_In | Primary positive power supply input (VDDIOM) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| B15 | VDDIOM | Power_In | Primary positive power supply input (VDDIOM) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| B17 | VDDIOM | Power_In | Primary positive power supply input (VDDIOM) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| B19 | VDDIOM | Power_In | Primary positive power supply input (VDDIOM) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| C2 | VDDANA | Power_In | Primary positive power supply input (VDDANA) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| C3 | VDDANA | Power_In | Primary positive power supply input (VDDANA) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| C4 | VDDANA | Power_In | Primary positive power supply input (VDDANA) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| C5 | VDDIOM | Power_In | Primary positive power supply input (VDDIOM) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| C6 | VDDIOM | Power_In | Primary positive power supply input (VDDIOM) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| C7 | VDDIOM | Power_In | Primary positive power supply input (VDDIOM) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| C8 | VDDANA | Power_In | Primary positive power supply input (VDDANA) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| C9 | VDDIOM | Power_In | Primary positive power supply input (VDDIOM) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| C10 | VDDIOM | Power_In | Primary positive power supply input (VDDIOM) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| C11 | VDDIOM | Power_In | Primary positive power supply input (VDDIOM) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| C12 | VDDIOM | Power_In | Primary positive power supply input (VDDIOM) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| C14 | VDDIOM | Power_In | Primary positive power supply input (VDDIOM) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| C16 | VDDIOM | Power_In | Primary positive power supply input (VDDIOM) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| C18 | VDDIOM | Power_In | Primary positive power supply input (VDDIOM) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| D2 | VDDANA | Power_In | Primary positive power supply input (VDDANA) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| D3 | VDDANA | Power_In | Primary positive power supply input (VDDANA) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| D13 | VDDIOM | Power_In | Primary positive power supply input (VDDIOM) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| D15 | VDDIOM | Power_In | Primary positive power supply input (VDDIOM) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| D17 | VDDIOM | Power_In | Primary positive power supply input (VDDIOM) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| D19 | VDDIOM | Power_In | Primary positive power supply input (VDDIOM) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| E2 | VDDANA | Power_In | Primary positive power supply input (VDDANA) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| E3 | VDDANA | Power_In | Primary positive power supply input (VDDANA) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| E5 | VDDANA | Power_In | Primary positive power supply input (VDDANA) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| E6 | VDDANA | Power_In | Primary positive power supply input (VDDANA) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| E7 | VDDANA | Power_In | Primary positive power supply input (VDDANA) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| E8 | PE8 | Digital_IO | Signal terminal PE8 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PE8. Supported peripheral buses: General. |
| E9 | PE9 | Digital_IO | Signal terminal PE9 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PE9. Supported peripheral buses: General. |
| E10 | VDDIOM | Power_In | Primary positive power supply input (VDDIOM) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| E11 | VDDIOM | Power_In | Primary positive power supply input (VDDIOM) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| E12 | VDDIOM | Power_In | Primary positive power supply input (VDDIOM) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| E13 | PE13 | Digital_IO | Signal terminal PE13 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PE13. Supported peripheral buses: General. |
| E14 | VDDIOM | Power_In | Primary positive power supply input (VDDIOM) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| E15 | VDDIOM | Power_In | Primary positive power supply input (VDDIOM) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| E16 | VDDIOM | Power_In | Primary positive power supply input (VDDIOM) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| E18 | VDDIOM | Power_In | Primary positive power supply input (VDDIOM) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| E19 | VDDIOM | Power_In | Primary positive power supply input (VDDIOM) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| F2 | VDDANA | Power_In | Primary positive power supply input (VDDANA) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| F3 | VDDIOP1 | Power_In | Primary positive power supply input (VDDIOP1) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| F5 | VDDANA | Power_In | Primary positive power supply input (VDDANA) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| F6 | VDDANA | Power_In | Primary positive power supply input (VDDANA) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| F7 | PF7 | Digital_IO | Signal terminal PF7 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PF7. Supported peripheral buses: General. |
| F8 | PF8 | Digital_IO | Signal terminal PF8 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PF8. Supported peripheral buses: General. |







