Overview
The AM1808BZWTD4 is a low-power applications processor developed by Texas Instruments, based on the ARM926EJ-S core. This microprocessor is designed to meet the needs of original-equipment manufacturers (OEMs) and original-design manufacturers (ODMs) by providing a comprehensive set of peripherals and high-performance capabilities. The device features a 375/456 MHz ARM926EJ-S RISC core, along with a programmable real-time unit subsystem (PRUSS) and various memory interfaces, making it suitable for a wide range of applications.
Key Specifications
| Specification | Details |
|---|---|
| Processor Core | ARM926EJ-S, 375/456 MHz |
| Memory Interfaces | EMIFA, DDR2, Mobile DDR, 16-bit SDRAM, NOR, NAND Flash |
| Cache Memory | 16KB I-Cache, 16KB D-Cache, 8KB RAM (Vector Table), 64KB ROM |
| External Memory | 128 MB Address Space for SDRAM, 256 MB Address Space for mDDR, 512 MB Address Space for DDR2 |
| Timers | Four 64-bit General-Purpose Timers (each configurable as two 32-bit timers), one configurable as watchdog |
| UART | Three 16550-type UART modules with RTS and CTS flow control |
| SPI | Two SPI interfaces with multiple chip selects |
| I2C | Two Master/Slave I2C interfaces |
| Ethernet | 10/100 Mbps Ethernet MAC (EMAC) with MII/RMII and MDIO |
| USB | USB 2.0 OTG with integrated PHY, USB 1.1 OHCI with integrated PHY |
| Package | 361-Ball Pb-Free Plastic Ball Grid Array (PBGA), 0.65-mm or 0.80-mm ball pitch |
| Voltage | 1.2V nominal for 375MHz version, 1.3V nominal for 456MHz version, I/O voltage 1.8V or 3.3V |
Key Features
- Programmable Real-Time Unit Subsystem (PRUSS) with two independent PRU cores
- Enhanced Direct-Memory-Access Controller (EDMA3) with 64 independent DMA channels and 16 Quick DMA channels
- Multichannel Audio Serial Port (McASP) with 16 serializers and FIFO buffers
- Two multichannel buffered serial ports (McBSP) with FIFO buffers
- Two enhanced high-resolution pulse width modulators (eHRPWM)
- Three 32-bit enhanced capture (eCAP) modules configurable as capture inputs or auxiliary pulse width modulators
- Video Port Interface (VPIF) with support for various video formats
- Universal Parallel Port (uPP) for high-speed parallel interface to FPGAs and data converters
- Serial ATA (SATA) controller supporting SATA I and SATA II
- Real-Time Clock (RTC) with 32-kHz oscillator and separate power rail
Applications
- Gaming
- Data Concentrators
- Medical, Healthcare, Fitness
- Building Automation
- Printers
- Set-Top Box
- ePOS
- Industrial Automation
Q & A
- What is the core frequency of the AM1808BZWTD4?
The core frequency of the AM1808BZWTD4 is 375 MHz or 456 MHz, depending on the voltage.
- What types of memory interfaces does the AM1808BZWTD4 support?
The AM1808BZWTD4 supports EMIFA, DDR2, Mobile DDR, 16-bit SDRAM, NOR, and NAND Flash memory interfaces.
- Does the AM1808BZWTD4 have any real-time processing capabilities?
Yes, it features a Programmable Real-Time Unit Subsystem (PRUSS) with two independent PRU cores.
- What is the purpose of the EDMA3 controller in the AM1808BZWTD4?
The EDMA3 controller provides enhanced direct-memory-access capabilities with 64 independent DMA channels and 16 Quick DMA channels.
- Does the AM1808BZWTD4 support Ethernet connectivity?
Yes, it includes a 10/100 Mbps Ethernet MAC (EMAC) with MII/RMII and MDIO.
- What types of USB interfaces are available on the AM1808BZWTD4?
The device supports USB 2.0 OTG with integrated PHY and USB 1.1 OHCI with integrated PHY.
- What is the package type and size of the AM1808BZWTD4?
The AM1808BZWTD4 comes in a 361-Ball Pb-Free Plastic Ball Grid Array (PBGA) package with 0.65-mm or 0.80-mm ball pitch.
- What are the voltage requirements for the AM1808BZWTD4?
The device operates at 1.2V nominal for the 375MHz version and 1.3V nominal for the 456MHz version, with I/O voltage options of 1.8V or 3.3V.
- What are some common applications of the AM1808BZWTD4?
The AM1808BZWTD4 is used in various applications including gaming, data concentrators, medical devices, building automation, printers, set-top boxes, ePOS systems, and industrial automation.
- Does the AM1808BZWTD4 have any audio processing capabilities?
Yes, it includes a multichannel audio serial port (McASP) with 16 serializers and FIFO buffers, supporting formats like TDM and I2S.
