Semtech SX1512
World’s Lowest Voltage Level Shifting GPIO with LED Driver and Keypad Engine
The SX1510, SX1511 and SX1512 are complete ultra low voltage 1.2V to 3.6V General Purpose parallel Input/Output (GPIO) expanders ideal for low power handheld battery powered equipment.
Features
- 1.2V to 3.6V Low Operating Voltage with Dual Independent I/O Rails (VCC1, VCC2)
- Enable Direct Level Shifting Between I/O
- Banks and Host Controller
- 5.5V Tolerant I/Os, Up to 15mA Output Sink on All I/Os (No Total Sink Current Limit)
- Integrated LED Driver for Enhanced Lighting
- Intensity Control (256-step PWM)
- Blink Control (224 On/Off values)
- Breathing Control (224 Fade In/Out values)
- On-Chip Keypad Scanning Engine
- Support Up to 8x8 Matrix (64 Keys)
- Configurable Input Debouncer
- 4/8/16 Channels of True Bi-directional Style I/O
- Programmable Pull-up/Pull-down
- Push/Pull or Open-drain outputs
- Programmable Polarity
- Open Drain Active Low Interrupt Output (NINT)
- Bit Maskable
- Programmable Edge Sensitivity
- Built-in Clock Management (Internal 2MHz Oscillator/External Clock Input, 7 clock values)
- OSCIO can be Configured as GPO
- SPI Compatible Slave Interface (up to 20MHz)
- Power-On Reset and Reset Input (NRESET)
- Ultra Low Current Consumption of typ. 1uA
- -40°C to +85°C Operating Temperature Range
- 2kV HBM ESD Protection
- Small Footprint Packages
- Pb & Halogen Free, RoHS/WEEE compliant
Applications
- Cell phones
- PDAs
- MP3 players
- Digital camera
- Notebooks
- GPS Units
- Any battery powered equipment
Order Codes
- SX1512EVK: Evaluation Kit
- SX1512IULTRT
Order Evaluation Boards
Semtech provides evaluation boards to help design engineers quickly and easily evaluate the performance of our devices for their application requirements.
To order, use our Evaluation Board Request Form below. One (1) free evaluation board may be requested per order form.
Eval boards are readily available for most of our new and popular products. If you wish to request boards for other parts, simply type the part number in the “Select Part Number” field space of the order form. These will be subject to availability.
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