Overview
The AM1808EZWTD4 is a low-power applications processor from Texas Instruments, based on the ARM926EJ-S core. This device is designed to enable original-equipment manufacturers (OEMs) and original-design manufacturers (ODMs) to quickly develop and market devices with robust operating system support, rich user interfaces, and high processing performance. The AM1808 features a 32-bit RISC processor core that supports 32-bit, 16-bit, and 8-bit data processing, along with a comprehensive set of peripherals for various applications.
Key Specifications
| Specification | Details |
|---|---|
| Processor Core | ARM926EJ-S, 375- and 456-MHz |
| Instruction Set | 32-bit and 16-bit (Thumb) Instructions |
| Caches | 16KB Instruction Cache, 16KB Data Cache |
| RAM and ROM | 8KB of RAM (Vector Table), 64KB of ROM |
| Memory Interfaces | EMIFA, NOR (8- or 16-Bit-Wide Data), NAND (8- or 16-Bit-Wide Data), 16-Bit SDRAM, DDR2/Mobile DDR |
| Ethernet | 10/100 Mbps Ethernet MAC (EMAC), MII, RMII, MDIO |
| USB Interfaces | USB 2.0 OTG, USB 1.1 OHCI |
| Serial Interfaces | Three UART Modules, Two SPIs, Two McBSPs, One McASP |
| Timers and Counters | Three 64-Bit General-Purpose Timers, One 64-Bit General-Purpose or Watchdog Timer |
| Power Management | Standard Power-Management Mechanism, Clock Gating |
| Package | 361-Ball Pb-Free Plastic Ball Grid Array (PBGA), 0.80-mm Ball Pitch |
| Operating Temperature Range | -40°C to 90°C |
Key Features
- ARM926EJ-S Core: Supports 32-bit and 16-bit instructions, single-cycle MAC, and ARM Jazelle technology.
- Memory and Caches: Includes 16KB instruction and data caches, 8KB of RAM, and 64KB of ROM.
- Peripheral Set: Features a 10/100 Mbps Ethernet MAC, USB 2.0 OTG and USB 1.1 OHCI interfaces, multiple serial interfaces (UART, SPI, McBSP, McASP), and two external memory interfaces.
- Programmable Real-Time Unit Subsystem (PRUSS): Includes two independent PRU cores with 4KB of instruction RAM and 512 bytes of data RAM per core.
- Video and Audio Interfaces: Includes a video port interface (VPIF) and multichannel audio serial ports (McASP and McBSP).
- High-Speed Interfaces: Supports SATA I and II, and a universal parallel port (uPP) for high-speed data transfer.
- Power Management: Features clock gating and a dedicated power management mechanism.
Applications
- Gaming: Suitable for gaming consoles and handheld devices.
- Data Concentrators: Used in data aggregation and processing applications.
- Medical, Healthcare, Fitness: Applied in medical devices, healthcare equipment, and fitness trackers.
- Building Automation: Utilized in building control systems and automation.
- Printers: Integrated into printer systems for enhanced functionality.
- Set-Top Box: Used in digital set-top boxes for media processing.
- ePOS: Employed in electronic point-of-sale systems.
- Industrial Automation: Applied in industrial control and automation systems.
Q & A
- What is the processor core used in the AM1808EZWTD4?
The AM1808EZWTD4 uses the ARM926EJ-S processor core.
- What are the clock speeds of the ARM926EJ-S core?
The ARM926EJ-S core operates at 375 MHz and 456 MHz.
- What types of memory interfaces does the AM1808EZWTD4 support?
The device supports EMIFA, NOR, NAND, 16-Bit SDRAM, and DDR2/Mobile DDR memory interfaces.
- Does the AM1808EZWTD4 have Ethernet capabilities?
Yes, it features a 10/100 Mbps Ethernet MAC (EMAC) with MII, RMII, and MDIO interfaces.
- What USB interfaces are available on the AM1808EZWTD4?
The device includes USB 2.0 OTG and USB 1.1 OHCI interfaces.
- What is the Programmable Real-Time Unit Subsystem (PRUSS) in the AM1808EZWTD4?
The PRUSS includes two independent PRU cores with 4KB of instruction RAM and 512 bytes of data RAM per core.
- What video and audio interfaces are supported by the AM1808EZWTD4?
The device includes a video port interface (VPIF) and multichannel audio serial ports (McASP and McBSP).
- What high-speed interfaces does the AM1808EZWTD4 support?
The device supports SATA I and II, and a universal parallel port (uPP) for high-speed data transfer.
- What is the operating temperature range of the AM1808EZWTD4?
The operating temperature range is -40°C to 90°C.
- What is the package type and pin count of the AM1808EZWTD4?
The device is packaged in a 361-Ball Pb-Free Plastic Ball Grid Array (PBGA) with a 0.80-mm ball pitch.
