参数资料
型号: SI4021-A1-FT
厂商: Silicon Laboratories Inc
文件页数: 13/34页
文件大小: 783K
描述: IC TX FSK 915MHZ 5.4V 16-TSSOP
标准包装: 96
频率: 433MHz,868MHz,915MHz
调制或协议: FSK,OOK
数据传输率 - 最大: 512kbps
功率 - 输出: 8dBm
电流 - 传输: 24mA
数据接口: PCB,表面贴装
天线连接器: PCB,表面贴装
电源电压: 2.2 V ~ 5.4 V
工作温度: -40°C ~ 85°C
封装/外壳: 16-TSSOP(0.173",4.40mm 宽)
包装: 管件
产品目录页面: 585 (CN2011-ZH PDF)
其它名称: 336-1622-5
Si4021
 
 
13
Control Commands
 
Control Command
Related Parameters/Functions
Related control bits
1     Configuration Setting Command
Frequency band, microcontroller clock output, crystal
load capacitance, frequency deviation
b1 to b0, d2 to d0, x3
to x0, ms, m2 to m0
2     Power Management Command
Crystal oscillator, synthesizer, power amplifier, low
battery detector, wake-up timer, clock output buffer
a1 a0, ex, es, ea, eb,
et, dc
3     Frequency Setting Command
Carrier frequency
f11 to f0
4     Data Rate Command
Bit rate
r7 to r0
5     Power Setting Command
Nominal output power, OOK mode
ook, p2 to p0
6     Low Battery Detector Command
Low battery threshold limit, transmit bit synchronizer,
wake-up timer calibration
dwc, ebs, t4 to t0
7     Sleep Command
Length of the clock tail after power down
s7 to s0
8     Push-Button Command
Push-button related functions
p4, d1 to d0, b4 to b1,
bc
9     Wake-Up Timer Command
Wake-up time period
r4 to r0, m7 to m0
10    Data Transmit Command
Data transmission
 
11    Status Register Command
Transmitter status read
 
12    PLL Setting and Reset Mode Command
PLL bandwidth, reset mode
bw1 to bw0, dr
Note: In the following tables the POR column shows the default values of the command registers after power-on.
1. Configuration Setting Command
bit     15     14     13     12     11     10
9
8
7
6
5
4
3
2
1
0
POR
 
1
0
0
b1     b0     d2     d1     d0     x3     x2     x1     x0     ms    m2    m1    m0
8080h
 
b1    b0
Frequency Band {MHz]
0
0
315
0
1
433
1
0
868
1
1
915
 
 
Clock Output
Frequency [MHz]
0
0
0
1
0
0
1
1.25
0
1
0
1.66
0
1
1
2
1
0
0
2.5
1
0
1
3.33
1
1
0
5
1
1
1
10
d2    d1    d0
 
x3    x2    x1    x0
Crystal Load Capacitance [pF]
0
0
0
0
8.5
0
0
0
1
9.0
0
0
1
0
9.5
0
0
1
1
10.0
1
1
1
0
15.5
1
1
1
1
16.0
&
 
The resulting output frequency can be calculated as:
f
out
 = f
0
  (-1)
SIGN
 * (M + 1) * (30 kHz)
where:
f
0
 is the channel center frequency (see the next command)
M is the three bit binary number <m2 : m0>
SIGN = (ms) XOR (FSK input)
Note:
?    Use M in a range from 0 to 6.
 
相关PDF资料
PDF描述
SI4022-A0-FT IC TX FSK UNI 868/915MHZ 16TSSOP
SI4711-B30-GM IC TX FM RADIO 76-108MHZ 20UQFN
SI4713-B30-GMR IC TX FM RADIO RPS/RDS 20UQFN
SKY12146-321LF IC VAR VOLT ATTEN 12QFN
SN171GG-NR SNAP PROTOBOARD W/NO RADIO
相关代理商/技术参数
参数描述
SI4021-A1-FTR 功能描述:射频发射器 Transmitter EZRadio RoHS:否 制造商:Micrel 类型:ASK Transmitter 封装 / 箱体:SOT-23-6 工作频率:300 MHz to 450 MHz 封装:Reel
SI-40222 制造商:BEL 制造商全称:Bel Fuse Inc. 功能描述:SI-40222
SI-40223 制造商:BEL 制造商全称:Bel Fuse Inc. 功能描述:SI-40223
SI-40227 制造商:BEL 制造商全称:Bel Fuse Inc. 功能描述:SI-40227
SI-40228 制造商:Bel Fuse 功能描述:CONN RJ-45 RCP 32 POS 2.54MM SLDR RA TH 48TERM 4PORT - Trays