參數(shù)資料
型號(hào)： 1200
廠商： TEXAS INSTRUMENTS INC
元件分類： 無(wú)繩電話/電話
英文描述： TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, QCC20
封裝： 4 X 4 MM, ROHS COMPLIANT, QLP-20
文件頁(yè)數(shù)： 32/70頁(yè)
文件大小： 841K
代理商： 1200
Chipcon
SmartRF CC1100
Chipcon AS
SmartRF
CC1100 Preliminary Data Sheet (rev. 1.0) 2005-04-25
Page 38 of 68
XOSC_Q1
XOSC_Q2
XTAL
C81
C101
Figure 16: Crystal oscillator circuit
Component
CL= 10pF
CL=13pF
CL=16pF
C81
15pF
22pF
27pF
C101
15pF
22pF
27pF
Table 26: Crystal oscillator component values
34 Antenna Interface
The balanced RF input and output of
CC1100
share two common pins and are designed for
a simple, low-cost matching and balun network
on the printed circuit board. The receive- and
transmit switching at the
CC1100 front-end is
controlled by a dedicated on-chip function,
eliminating the need for an external RX/TX-
switch.
A few passive external components combined
with the internal RX/TX switch/termination
circuitry ensures match in both RX and TX
mode.
Although
CC1100 has a balanced RF
input/output, the chip can be connected to a
single-ended antenna with few external low
cost capacitors and inductors.
35 General Purpose / Test Output Control Pins
The three digital output pins GDO0, GDO1 and
GDO2
are general control pins configured with
and IOCFG2.GDO3_CFG respectively. Table
27 shows the different signals that can be
monitored on the GDO pins. These signals can
be used as an interrupt to the MCU. GDO1 is
the same pin as the SO pin on the SPI
interface, thus the output programmed on this
pin will only be valid when CSn is high. The
default value for GDO1 is 3-stated, which is
useful when the SPI interface is shared with
other devices.
The default value for GDO0 is a 125kHz-
146kHz clock output (XOSC frequency divided
by 192). Since the XOSC is turned on at
power-on-reset, this can be used to clock the
MCU in systems with only one crystal. When
the MCU is up and running, it can change the
clock
frequency
by
writing
to
This will not produce
any clock glitches.
An on-chip analog temperature sensor is
enabled by writing the value 128 (0x80h) to the
register. The voltage on
the
GDO0
pin
is
then
proportional
to
temperature. See section 10 on page 11 for
temperature sensor specifications.
相關(guān)PDF資料
PDF描述
1200 TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
1200 (4"X100FT) 制造商:3M Electronic Products Division 功能描述:TAPE, INSULATION, VINYL, BLACK 4INX100FT, Tape Type:Electrical Insulation, Tape
12000 制造商:Carclo Technical Plastics 功能描述:50MM TRIPLE HOLDER
120-00 制造商:HITEC 功能描述:DEPTH GAUGE VERNIER 制造商:HITEC 功能描述:DEPTH GAUGE, VERNIER
1200-0.3 制造商:VIDEK 功能描述:LEAD BNC PLG-PLG 0.3M 制造商:VIDEK 功能描述:LEAD, BNC PLG-PLG, 0.3M 制造商:VIDEK 功能描述:COAXIAL CABLE, RG-58, 0.3M, BLACK; Coaxial Cable Type:RG58; Cable Length - Imperial:11.81"; Cable Length - Metric:300mm; Connector Type A:BNC Straight Plug; Connector Type B:BNC Straight Plug; Jacket Color:Beige ;RoHS Compliant: Yes
120000 功能描述:環(huán)境檢測(cè)設(shè)備 PH METER ECONOMY RoHS:否 制造商:Fluke 設(shè)備類型:Vibration Meter 測(cè)量?jī)x器:Vibration
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