Mechanical Dimensions & Land Pattern (LFBGA-217)
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 LFBGA-217 | Size power & signal trace widths for rated load current following IPC-2221 clearance rules. |
Technical Frequently Asked Questions (FAQ) — AT91SAM9XE256-CU (LFBGA-217)
Quick answers covering Pinout, IPC-7351B Land Pattern dimensions, and CAD export formatsWhat is the Pinout and operating voltage specification of AT91SAM9XE256-CU (LFBGA-217)?
Manufactured by MICROCHIP, the AT91SAM9XE256-CU is housed in a LFBGA-217 package with 217 pins and a 0.80 mm lead pitch, supporting a VCC supply range of 1.65V to 1.95V. Key pins include: A1 (PA1: Multiplexed I/O & Peripheral Pin PA1 (General)), A2 (NBS0/A0: Multiplexed I/O & Peripheral Pin NBS0/A0 (General)), A3 (NWR2/NBS2/A1: Multiplexed I/O & Peripheral Pin NWR2/NBS2/A1 (General)), A4 (A6: Multiplexed I/O & Peripheral Pin A6 (General)), A5 (A8: Multiplexed I/O & Peripheral Pin A8 (General)), A6 (A11: Multiplexed I/O & Peripheral Pin A11 (General)).
What are the IPC-7351B PCB Footprint dimensions for AT91SAM9XE256-CU?
Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), AT91SAM9XE256-CU (LFBGA-217) has a nominal body envelope of 15.00 × 15.00 mm, pitch e = 0.80 mm, and 217 copper pads.
Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for AT91SAM9XE256-CU?
You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for AT91SAM9XE256-CU (MICROCHIP, LFBGA-217) 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 (217 pins) & AT91SAM9XE25 Family VariantsExpand static table
| Pin # | Signal Name | Electrical Type | Functional Description & Design Notes |
|---|---|---|---|
| A1 | PA1 | Digital_IO | Signal terminal PA1 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: PA1. Supported peripheral buses: General. |
| A2 | NBS0/A0 | Digital_IO | Signal terminal NBS0/A0 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: NBS0/A0. Supported peripheral buses: General. |
| A3 | NWR2/NBS2/A1 | Digital_IO | Signal terminal NWR2/NBS2/A1 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: NWR2/NBS2/A1. Supported peripheral buses: General. |
| A4 | A6 | Digital_IO | Signal terminal A6 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: A6. Supported peripheral buses: General. |
| A5 | A8 | Digital_IO | Signal terminal A8 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: A8. Supported peripheral buses: General. |
| A6 | A11 | Digital_IO | Signal terminal A11 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: A11. Supported peripheral buses: General. |
| A7 | A13 | Digital_IO | Signal terminal A13 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: A13. Supported peripheral buses: General. |
| A8 | BA0/A16 | Digital_IO | Signal terminal BA0/A16 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: BA0/A16. Supported peripheral buses: General. |
| A9 | A18 | Digital_IO | Signal terminal A18 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: A18. Supported peripheral buses: General. |
| A10 | A21 | Digital_IO | Signal terminal A21 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: A21. Supported peripheral buses: General. |
| A11 | A22 | Digital_IO | Signal terminal A22 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: A22. Supported peripheral buses: General. |
| A12 | CFWE/NWE/NWR0 | Digital_IO | Signal terminal CFWE/NWE/NWR0 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: CFWE/NWE/NWR0. Supported peripheral buses: General. |
| A13 | CFOE/NRD | Digital_IO | Signal terminal CFOE/NRD (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: CFOE/NRD. Supported peripheral buses: General. |
| A14 | NCS0 | Digital_IO | Signal terminal NCS0 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: NCS0. Supported peripheral buses: General. |
| A15 | PC5 | Digital_IO | Signal terminal PC5 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: PC5. Supported peripheral buses: General. |
| A16 | PC6 | Digital_IO | Signal terminal PC6 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: PC6. Supported peripheral buses: General. |
| A17 | PC4 | Digital_IO | Signal terminal PC4 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: PC4. Supported peripheral buses: General. |
| B1 | SDCK | Digital_IO | Signal terminal SDCK (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: SDCK. Supported peripheral buses: General. |
| B2 | CFIOR/NBS1/NWR1 | Digital_IO | Signal terminal CFIOR/NBS1/NWR1 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: CFIOR/NBS1/NWR1. Supported peripheral buses: General. |
| B3 | SDCS/NCS1 | Digital_IO | Signal terminal SDCS/NCS1 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: SDCS/NCS1. Supported peripheral buses: General. |
| B4 | SDA10 | Digital_IO | Signal terminal SDA10 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: SDA10. Supported peripheral buses: I2C. |
| B5 | A3 | Digital_IO | Signal terminal A3 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: A3. Supported peripheral buses: General. |
| B6 | A7 | Digital_IO | Signal terminal A7 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: A7. Supported peripheral buses: General. |
| B7 | A12 | Digital_IO | Signal terminal A12 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: A12. Supported peripheral buses: General. |
| B8 | A15 | Digital_IO | Signal terminal A15 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: A15. Supported peripheral buses: General. |
| B9 | A20 | Digital_IO | Signal terminal A20 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: A20. Supported peripheral buses: General. |
| B10 | NANDWE | Digital_IO | Signal terminal NANDWE (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: NANDWE. Supported peripheral buses: General. |
| B11 | PC7 | Digital_IO | Signal terminal PC7 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: PC7. Supported peripheral buses: General. |
| B12 | PC10 | Digital_IO | Signal terminal PC10 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: PC10. Supported peripheral buses: General. |
| B13 | PC13 | Digital_IO | Signal terminal PC13 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: PC13. Supported peripheral buses: General. |
| B14 | PC11 | Digital_IO | Signal terminal PC11 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: PC11. Supported peripheral buses: General. |
| B15 | PC14 | Digital_IO | Signal terminal PC14 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: PC14. Supported peripheral buses: General. |
| B16 | PC8 | Digital_IO | Signal terminal PC8 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: PC8. Supported peripheral buses: General. |
| B17 | WKUP | Digital_IO | Signal terminal WKUP (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: WKUP. Supported peripheral buses: General. |
| C1 | D8 | Digital_IO | Signal terminal D8 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: D8. Supported peripheral buses: General. |
| C2 | D1 | Digital_IO | Signal terminal D1 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: D1. Supported peripheral buses: General. |
| C3 | CAS | Digital_IO | Signal terminal CAS (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: CAS. Supported peripheral buses: General. |
| C4 | A2 | Digital_IO | Signal terminal A2 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: A2. Supported peripheral buses: General. |
| C5 | A4 | Digital_IO | Signal terminal A4 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: A4. Supported peripheral buses: General. |
| C6 | A9 | Digital_IO | Signal terminal A9 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: A9. Supported peripheral buses: General. |
| C7 | A14 | Digital_IO | Signal terminal A14 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: A14. Supported peripheral buses: General. |
| C8 | BA1/A17 | Digital_IO | Signal terminal BA1/A17 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: BA1/A17. Supported peripheral buses: General. |
| C9 | A19 | Digital_IO | Signal terminal A19 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: A19. Supported peripheral buses: General. |
| C10 | NANDOE | Digital_IO | Signal terminal NANDOE (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: NANDOE. Supported peripheral buses: General. |
| C11 | PC9 | Digital_IO | Signal terminal PC9 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: PC9. Supported peripheral buses: General. |
| C12 | PC12 | Digital_IO | Signal terminal PC12 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: PC12. Supported peripheral buses: General. |
| C13 | DDP | Digital_IO | Signal terminal DDP (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: DDP. Supported peripheral buses: General. |
| C14 | HDMB | Digital_IO | Signal terminal HDMB (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: HDMB. Supported peripheral buses: General. |
| C15 | NC | NC | Signal terminal NC (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: NC. Supported peripheral buses: General. |
| C16 | VDDIOP0 | Power_In | Primary positive power supply input (VDDIOP0) operating in the 1.65V to 1.95V domain (Max rating: 1.95V). |
| C17 | SHDN | Digital_IO | Signal terminal SHDN (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: SHDN. Supported peripheral buses: General. |
| D1 | D9 | Digital_IO | Signal terminal D9 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: D9. Supported peripheral buses: General. |
| D2 | D2 | Digital_IO | Signal terminal D2 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: D2. Supported peripheral buses: General. |
| D3 | RAS | Digital_IO | Signal terminal RAS (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: RAS. Supported peripheral buses: General. |
| D4 | D0 | Digital_IO | Signal terminal D0 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: D0. Supported peripheral buses: General. |
| D5 | PD5 | Digital_IO | Signal terminal PD5 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: PD5. Supported peripheral buses: General. |
| D6 | PD6 | Digital_IO | Signal terminal PD6 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: PD6. Supported peripheral buses: General. |
| D7 | PD7 | Digital_IO | Signal terminal PD7 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: PD7. Supported peripheral buses: General. |
| D8 | PD8 | Digital_IO | Signal terminal PD8 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: PD8. Supported peripheral buses: General. |
| D9 | PD9 | Digital_IO | Signal terminal PD9 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: PD9. Supported peripheral buses: General. |
| D10 | PD10 | Digital_IO | Signal terminal PD10 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: PD10. Supported peripheral buses: General. |
| D11 | PD11 | Digital_IO | Signal terminal PD11 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: PD11. Supported peripheral buses: General. |
| D12 | PD12 | Digital_IO | Signal terminal PD12 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: PD12. Supported peripheral buses: General. |
| D13 | PD13 | Digital_IO | Signal terminal PD13 (I/O, 1.65V to 1.95V domain). Multiplexed alternate functions: PD13. Supported peripheral buses: General. |









