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PDF JA3514 Data sheet ( Hoja de datos )
| Número de pieza | JA3514 | |
| Descripción | Transceiver Wireless Controller IC | |
| Fabricantes | JaaLaa | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de JA3514 (archivo pdf) en la parte inferior de esta página. Total 2 Páginas | ||
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JA3514 –Keyboard & Mouse
Wireless Controller IC / Keyboard / Mouse
Dec, 2004
Overview
The JA3514 is a low-cost, highly
integrated, tri-band system-on-chip
targeted for wireless keyboard and mouse
applications. The JA3514 can be used as
a complete and high performance wireless
mouse, using minimum external
components. JA3514 can be used as a
wireless keyboard together with Keyscan
chip JA3518A. All necessary functions, the
RF transceiver, baseband, modem, control
Features
Tri-band, 27 MHz, 40 MHz and 49 MHz
single-chip radio
World-wide unlicensed RF band
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
Mouse and keyboard applications
integrated in 16-kByte ROM
18 programmable GPIO’s
Internal regulators & DC/DC converter
I2C, UART & SPI Serial Interfaces
Mouse interface (Quadrature signals,
SDIO
logic and I/O interfaces are on-chip. The
protocol stack and application software are
stored 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 (MAC) protocol that
provides highly reliable wireless data
transfers even in an environment with
several wireless users.
JA3514
Antenna
27/40/49
MHz Radio
CPU
16k
ROM
4K
RAM
GPIO
I2C
I/O UART
MODEM
SPI
Mouse/
Keyboard
MS/KB
Interface
JA3514 System Diagram
7 mm
2004 Jaalaa, Inc.
7 mm
Proprietary and Confidential
1 page | ||
| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet JA3514.PDF ] | |
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| Número de pieza | Descripción | Fabricantes |
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