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PDF JA3515 Data sheet ( Hoja de datos )
| Número de pieza | JA3515 | |
| Descripción | Transceiver Wireless Controller IC | |
| Fabricantes | JaaLaa | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de JA3515 (archivo pdf) en la parte inferior de esta página. Total 2 Páginas | ||
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JA3515 – Transceiver
Wireless Controller IC
Dec, 2004
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;
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
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.
Antenna
27/40/
49MHz
Radio
JA3515
CPU
GPIO
24K
ROM
4K
RAM
I2C
I/O UART
MODEM
USB
USB
PS/2
PS/2
JA3515 System Diagram
7 mm
2004 Jaalaa, Inc.
7 mm
Proprietary and Confidential
1 page | ||
| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet JA3515.PDF ] | |
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