AR9331-AL1F

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AR9331-AL1F

AR9331-AL1F

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Spezifikationen

Part Status Not For New Designs
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Übersicht

Description

AR9331-AL1F is a variant of the Atheros/Qualcomm AR9331 wireless System-on-Chip (SoC) used in embedded routers and access points. The AR9331 family combines a 2.4 GHz 802.11n radio with a MIPS-based CPU and on‑chip networking peripherals, designed to run router firmware (e.g., OpenWrt, DD‑WRT).
Key points:
- 2.4 GHz 802.11n wireless subsystem with integrated MAC/PHY.
- On‑chip CPU core (MIPS-based) and networking peripherals.
- Board-level interfaces vary by module (Ethernet, USB, etc.) and memory/flash layout is defined by the AL1F package variant.
- Commonly used in consumer routers and APs; supported by many open-source router firmwares.
Note: “AL1F” denotes a specific packaging/board configuration rather than a different wireless spec. For exact specs (RAM/flash, port counts), consult the AR9331-AL1F datasheet or the module’s hardware/board documentation from the vendor.

Features

AR9331-AL1F is a single-chip router SoC. Key features:
- CPU: 32-bit MIPS 74K core at up to ~480–560 MHz
- Wireless: 2.4 GHz 802.11n radio, 2x2 MIMO, PHY+MAC, up to ~300 Mbps
- Ethernet: integrated 4-port 10/100 Ethernet switch with routing/NAT and basic QoS
- Memory/Boot: external DDR2 RAM support; boot from SPI flash
- USB: USB 2.0 interface (host/OTG)
- Peripherals: GPIOs, UART, SPI, I2C
- Power: 3.3V supply
- Package/Target: designed for consumer routers/APs (embedded, low power)
Note: exact RAM size and feature set may vary by board design; AL1F denotes a specific package/variant.

Package

I can’t determine the package type from that code alone. Please share the datasheet or a vendor link for AR9331-AL1F (or tell me the supplier). The AR9331 can come in different packages (QFN, LQFP, BGA) depending on revision.

Pinout

Pin count: 196 pins in the AL1F package.
Function: AR9331 is a 32-bit MIPS-based SoC with an integrated 802.11n Wi‑Fi baseband/MAC. The pins support I/O and peripherals such as GPIO, UART, I2C, SPI, USB 2.0 (host/device), PCIe, SDIO, Ethernet MAC, and power/ground.

Manufacturer

- Manufacturer: Qualcomm Atheros (originally Atheros Communications), now a brand of Qualcomm Technologies.
- What kind of company: A semiconductor company that designs and sells wireless networking ICs and system-on-chip solutions (Wi‑Fi SoCs) for routers, access points, and related devices.

Equivalent

AR9331-AL1F is a specific SKU of Qualcomm Atheros AR9331 SoC. There are no public one-to-one equivalents. Closest options are other AR9331 family SKUs or newer AR934x variants (e.g., AR9341/AR9343). For an exact cross-reference, contact Qualcomm Atheros or an authorized distributor.

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