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| Dec, 2004 JA3515 - Transceiver Wireless Controller IC Overview The JA3515 is a low-cost, highly integrated, tri-band, system-on-chip targeted for wireless keyboard and mouse applications. The JA3515 can be used as a complete, high performance PC transceiver interface for a wireless keyboard and mouse, using minimum external components. All necessary functions, the RF transceiver, baseband, modem, control logic and I/O interfaces; both USB and PS2 are on-chip. The protocol stack and application software are integrated in the built-in mask ROM. The wireless data link runs with very low latency at data rates up to 64 kbps. The system incorporates a proprietary media access control protocol (MAC) that provides highly reliable wireless data transfers even in an environment with other wireless users. Features Tri-band, 27 MHz, 40 MHz and 49 MHz single-chip radio World-wide unlicensed RF bands Reliable, bi-directional data link GFSK modulation 64 kbps max data rate Robust Interference Avoidance Viterbi decoder High tolerant frequency compensation 8051 micro-controller JTAG interface 4-kByte SRAM Application integrated in 24-kByte ROM 16 programmable GPIO's Internal regulators I2C, UART serial Interface USB & PS/2 interface JA3515 CPU Antenna 24K ROM 27/40/ 49MHz Radio 4K RAM MODEM USB PS/2 I/O GPIO I2 C UART USB PS/2 JA3515 System Diagram 7 mm 7 mm 2004 Jaalaa, Inc. Proprietary and Confidential Dec, 2004 Technical Specifications: Operating Temperature Operating Voltage Frequency (Band 1) (Band 2) (Band 3) Output Power (Peak) Output Power Control Receive Sensitivity @ 1% PER Modulation/Demodulation Power Consumption Continuous Transmit Mode Continuous Receive Mode Sleep Mode Multi-channels Data Rate Min -20 2.0 26.995 49.840 13.0 Typ. +25 40.680 15.0 3 -105 GFSK 20 25 12 15 64 Max +85 3.2 27.255 49.880 17.0 unit C V MHz MHz MHz dBm steps dBm mA mA uA kbps Applications: JA3514 Keyboard/Mouse Controller IC JA3515 PC Transceiver Controller IC Keyboard & Mouse JA3514 Device Controller IC GamePad, Joystick JA3515 Transceiver Controller IC JA3514 Device Controller IC Remote Control TV For more information please contact: JAALAA, Inc.* (Tel) 858-824-6307 * E-mail: info@jaalaa.com * Website: www.jaalaa.com 2004 Jaalaa, Inc. Proprietary and Confidential |
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