UR5HCSPI-FB Datasheet | SEMTECH

DESCRIPTION The SPICoder UR5HCSPI keyboard encoder and power management IC is designed specifically for handheld PCs (H/PCs). The off-the-shelf UR5HCSPI will readily work with CPUs designed for Windows CE®, saving OEMs significant development time and money as well as minimizing time-to-market for the new generations of handheld products. Features - SPI-patible keyboard encoder and power management IC with other interfaces available - patible with Windows CE® keyboard specification - Zero-Power TM - typically consuming less than 2µA, between 3-5V - Offers overall system power management capabilities - patible with “system-on silicon” CPUs for H/PCs - Special keyboard and power management modes for H/PCs, including programmable “wake-up” keys - Scans, debounces, and encodes an 8 x 12 matrix and controls discrete switches and LED indicators - Custom versions available Three main design Features of the UR5HCSPI make it the ideal panion for the new generation of Windows CE® -patible, single-chip puters: low-power consumption; real estate-saving size; and special keyboard modes. “Quasi” Zero-Power TM consumption (less than 2µA @ 3V), a must for H/PCs, provides the host system with both power management and I/O flexibility, with almost no battery drainage. Finally, special keyboard modes and built-in power management Features allow the SPICoder TM to operate in harmony with the power management modes of Windows CE®, resulting in more user flexibility and longer battery life. The UR5HCSPI also offers programmable Features for wake-up keys and general purpose I/O pins. APPLICATIONS - Strong ARMTM Handheld PCs - Windows CE® Platforms - Web Phones PIN ASSIGNMENTS _ATN _SS SCK MOSI MISO XSW SW0 C8 C9 C10/WUKO C11/_LID C6 C7 Vx NC _WKU _RESET Vcc OSCI OSCO NC0 NC - Personal Digital Assistants (PDAs) - Wearable puters - Internet Appliance 23 22 _PWR_OK NC0 OSCO OSCI Vcc NC NC _RESET _WKU Vx C7 33 34 UR5HCSPI-FB QFP NC LED2 LED1 LED0 _IOTEST Vss NC R7 R6 R5...