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參數(shù)資料
| 型號(hào)： | JA3514 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | JA3515 ? Transceiver Wireless Controller IC |
| 中文描述： | JA3515？收發(fā)器無(wú)線控制芯片 |
| 文件頁(yè)數(shù)： | 1/2頁(yè) |
| 文件大小： | 334K |
| 代理商： | JA3514 |
Dec, 2004
2004 Jaalaa, Inc.
Proprietary and Confidential
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;
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
I
2
C, 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.
Radio
27/40/
49MHz
CPU
RAM
4K
I/O
GPIO
USB
I
2
C
MODEM
Antenna
ROM
JA3515
24K
UART
PS/2
PS/2
USB
JA3515 System Diagram
7 mm
7 mm
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