Processors
The SB3500® features the Sandblaster® DSP for execution of baseband in software – including physical layer. It has a programmable RF interface, with the capability to capture raw data at 240 M samples/sec. It includes interfaces to LCD, keypad, USIM, SmartCard, Audio codec, IrDA, plus emerging 'critical' features such as add-on memory cards, camera interface, and USB.
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SB3500 Feature List
- High Performance, Low-Power Design
- 1.2 V +/- 10% Core Voltage
- 65-nm Technology
- 2.5 / 1.8 V +/- 10% Input/Output Voltage
- Three SandBlaster® Extended (SBX) DSP Cores
- Four Hardware Threads per Core
- 32K-Bytes Instruction Cache per Core
- 256K-Bytes Data Memory per Core
- 9.6 Billion MACs per Core @ 600MHz operation
- Integrated ARM926EJ-S Processor1
- 16K-Bytes, each Instruction & Data Cache
- 32K-Bytes/16K-Bytes Instruction & Data TCM
- Timers
- 4 32-Bit Timers per Sandblaster® Core
- 3 24-Bit, Timers/Pulse Generators Per Sandblaster® Core, cascade-able and configurable for external system clock operation
- 2 Global 32-Bit general purpose Timers
- Real-Time Clock (RTC)
- SoC Watchdog Timer
- Power Management control timers, for event processing
- DMA Controllers
- 12 SBX DMAs, one Per Thread
- ARM Bus DMA, multi-channel
- Programmable Interrupt Controller
- Configurable Dynamic and Static Memory Controllers
- Supports Synchronous: MDDR, SRAM
- Supports Asynchronous: SRAM, ROM, NOR/NAND Flash
- Configurable I/O
- 2 GB External Address Space
- 32 Dedicated GPIOs, plus 64 multifunction I/Os
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- Two UARTs, one configurable for IRDA (115 Kbps)
- Serial Peripherals
- Five SPI™2, each with multi-address selects
- Five I2C™3 interfaces
- Memory Card Interfaces
- Secure Digital Input/Output
- Smart Card
- PS2 Interface (Mouse, Keyboard)
- Keypad Interface
- Camera Interface
- 10-bit interface with internal queue
- LCD Controller
- Up to 1024 x 768 Resolution
- Supports STN, Color STN, HR-TFT, TFT
- Up to 64K-Colors and 15 Gray Shades
- Pointer overlay
- USB OTG Interface
- AC ´97 / I2S Codec Interface with S/PDIF Support
- Dedicated RF Data Interfaces
- Four 16-bit Parallel Ports (Programmable for UL or DL data)
- DigRF baseband interface
- External Communications Interface
- 4K x 16-bit DP memory interface for communications with optional Applications Processor
- Integrated Device Power Management Unit
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