參數(shù)資料
型號(hào): DRM057
英文描述: Open Loop Universal Motor Chopper based on the MC68HC908QT4 Microcontroller
中文描述: 開環(huán)通用汽車在MC68HC908QT4斬波基于單片機(jī)
文件頁(yè)數(shù): 12/48頁(yè)
文件大?。?/td> 1131K
代理商: DRM057
RF Front End
Designer Reference Manual
DRM050 — Rev 0
12
RF Front End
MOTOROLA
The received serial data will pass into the interface IC RFW-D100, in
which it will be converted to parallel data for the MCU.
2.3 RF Transceiver Module RFW102
The RFW102 transceiver module is a short-range, half-duplex wireless
radio transceiver. The transceiver is intended for use in the unlicensed
ISM band of 2400–2483.5 MHz.
The transceiver module provides a peak output power of 2 dBm and data
rate up to 1Mbps. Power consumption during transmit is extremely low,
(21 mA in 1Mbps, 28 mA in 1 kbps), which is directly dependent on the
bit transfer rate. During standby mode, the transceiver consumes almost
no power and features an extremely short wake up time of 20 ms.
The communication link between the transceivers is a Direct Sequence
Spread Spectrum (DSSS) pulse pipe. The modulation scheme is 100%
(JB8/LJ24)
DC-DC
Battery
Module
Antenna
RFW-D100
Serial to parallel interface
Parallel Add/Data bus
6-24MHz
Xtal
Mouse & Keyboard
MCU + GPIOs
3.3V
RFW-102
K
M
(JB16)
3.3V
Module
a
RFW-D100
Serial to parallel interface
Parallel Add/Data bus
6-24MHz
USB
+5V
Xtal
USB Dongle
MCU + USB–
I/F
Power Circuit
DC-DC
RFW-102
Antenn
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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