HT82K75REW datasheet(45/103 Pages) HOLTEK

45 / 103 page

RF Transceiver Block Diagram

HT82M75REW/HT82K75REW

Rev. 1.00

June 11, 2010

RF Transceiver

RF Transceiver Features

RF/Analog Circuit Features

· ISM band 2.400GHz~2.495GHz operation

· -90dBm/-80dBm sensitivity @ 250k/1M bps

(Packet error rate under 0.1%)

· 3dBm maximum input level

· -3dBm~0dBm typical output power

· Differential RF input/output and integrated TX/RX

switch

· Integrated low phase noise VCO, frequency

synthesizer and PLL loop filter

· Integrated 32MHz oscillator drive

· Digital VCO and filter calibration

· 18mA in RX and 15mA in TX mode

· 2.4mA deep sleep mode, 0.1mA power down

· 1M bps turbo mode supported

· PLL lock-on time less than 130ms

MAC/Baseband Features

· Automatic ACK response and FCS check

· 62-byte TX FIFO

· Dual 64-byte RX FIFOs

· Various power saving modes

· Simple four-wire SPI interface

RF Transceiver Applications

· Home/Building/Factory Automation

· PC Peripheral

· RF Remote Controller

· Consumer Electronics

· 2-way Medium-Data-Rate Applications

RF Transceiver Overview

The device contains a 2.4 GHz RF transceiver with a

Baseband/MAC block. The RF transceiver can be con-

trolled by the MCU for low data rate applications such as

consumer electronics, PC peripherals, toys, industrial

automations, etc. For medium data rate applications like

wireless voice and image transmission, the RF trans-

ceiver provides 1M bps turbo mode.

Interfacing

Lower MAC

SCLK

SEN

INT

RF_P

RF Transceiver

Memory

Power

Management

PHY

RF_N

VDD

GPIO0~GPIO2

XTAL_P XTAL_N

RST

GND

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