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参数资料
| 型号： | MICRF219AYQS |
| 厂商： | Micrel Inc |
| 文件页数： | 18/23页 |
| 文件大小： | 0K |
| 描述： | IC RECEIVER QWIKRADIO 16-QSOP |
| 标准包装： | 98 |
| 频率： | 300MHz ~ 450MHz |
| 灵敏度： | -110dBm |
| 数据传输率 - 最大： | 10 kbps |
| 调制或协议： | ASK，OOK |
| 电流 - 接收： | 6mA |
| 数据接口： | PCB，表面贴装 |
| 天线连接器： | PCB，表面贴装 |
| 电源电压： | 3 V ~ 3.6 V |
| 工作温度： | -40°C ~ 105°C |
| 封装/外壳： | 16-SSOP（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-QSOP |
| 包装： | 管件 |
| 产品目录页面： | 571 (CN2011-ZH PDF) |
| 其它名称： | 576-3362-5 |
Micrel
Bits are serially programmed starting with the most
significant bit (MSB = D19) if all bits are being
programmed until the least significant bit (LSB = D0)
For instance, if only the desense bits D0, D 1, and D2
are being programmed, then these are th e only bits
that need to be programmed with the star t sequence
D2, D1, D0, plus the stop sequence. Or, if only the
squelch bit D17 is needed, then the sequ ence must
be from start sequence, D17 through D0 plu s the stop
sequence, making sure the other bits (bes ides D17)
are programmed as needed. It is recomm ended that
all parallel input pins (SEL0, SEL1, and S Q) be kept
high when using the serial interface. After the
programming bits are finished, a stop seq uence (as
shown in Figure 14) is required to end the mode and
reestablish the DO pin as an output again. To do so,
the SCLK pin is kept high while the DO p in ch a nges
from low to high, then low again, followed by the
SCL K pin made low. Timing of the programming bits
are not critical, but should b e kept as shown belo w :
T1 < 0.1μs, Time from SCLK to convert DO to
input pin
T6 > 0.1μs, SCLK high time
T7 > 0.1μs, SCLK low time
T2, T3, T4, T5, T8, T9, T10 > 0.1μs
MICRF219
Serial Interface Register Load ing Examples
See Figures 15 – 17. (Channel 1 is the DO pin, and
channel 2 is the SCLK pin).
Figure 15. All Bits D19 through D0 = 0
BIT TIME 18
BIT TIME 19
T10
SCLK
“1”
D1
“0”
DO
“1”
DO
DO PIN AS OUTPUT
Figure 14. Serial Interface Stop Sequence
SCLK frequency should be greater than 5kHz to avoid
automatic reset from internal circuitry.
Figure 16. All Bits D19 through D0 = 1
June 2011
18
M9999-060811
(408) 944-0800
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MICRF219AYQS TR | 功能描述:射频接收器 QwikRadio Receiver (Not Recommended for New Designs) RoHS:否 制造商:Skyworks Solutions, Inc. 类型:GPS Receiver 封装 / 箱体:QFN-24 工作频率:4.092 MHz 工作电源电压:3.3 V 封装:Reel |
| MICRF220 | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:300MHz to 450MHz, 3.3V ASK/OOK Receiver with RSSI and Squelch |
| MICRF220-315-EV | 功能描述:EVAL BOARD FOR MICRF220 制造商:microchip technology 系列:- 零件状态:有效 类型:接收器 频率:315MHz 配套使用产品/相关产品:MICRF220 所含物品:板 标准包装:1 |
| MICRF220-433-EV | 功能描述:EVAL BOARD FOR MICRF220 制造商:microchip technology 系列:- 零件状态:有效 类型:接收器 频率:433.92MHz 配套使用产品/相关产品:MICRF220 所含物品:板 标准包装:1 |
| MICRF220AYQS | 功能描述:射频接收器 300MHz to 450MHz, 3.0V to 3.6V, 6mA, <10kbps ASK Receiver with RSSI and Shutdown RoHS:否 制造商:Skyworks Solutions, Inc. 类型:GPS Receiver 封装 / 箱体:QFN-24 工作频率:4.092 MHz 工作电源电压:3.3 V 封装:Reel |
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