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参数资料
| 型号： | 4430-T-B1 D 950 |
| 厂商： | Silicon Laboratories Inc |
| 文件页数： | 20/47页 |
| 文件大小： | 799K |
| 描述： | KIT DEV TEST EZRADIOPRO SI4430 |
| 标准包装： | 1 |
| 附件类型： | 测试卡，收发器，950MHz |
| 适用于相关产品： | EZRadioPRO? |
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Si4430/31/32-B1
20
Rev 1.1
3.2. Operating Mode Control
There are four primary states in the Si4430/31/32 radio state machine: SHUTDOWN, IDLE, TX, and RX (see
Figure 7). The SHUTDOWN state completely shuts down the radio to minimize current consumption. There are five
different configurations/options for the IDLE state which can be selected to optimize the chip to the applications
needs. "Register 07h. Operating Mode and Function Control 1" controls which operating mode/state is selected
with the exception of SHUTDOWN which is controlled by SDN pin 20. The TX and RX state may be reached
automatically from any of the IDLE states by setting the txon/rxon bits in "Register 07h. Operating Mode and
Function Control 1". Table 11 shows each of the operating modes with the time required to reach either RX or TX
mode as well as the current consumption of each mode.
The Si4430/31/32 includes a low-power digital regulated supply (LPLDO) which is internally connected in parallel
to the output of the main digital regulator (and is available externally at the VR_DIG pin). This common digital
supply voltage is connected to all digital circuit blocks including the digital modem, crystal oscillator, SPI, and
register space. The LPLDO has extremely low quiescent current consumption but limited current supply capability;
it is used only in the IDLE-STANDBY and IDLE-SLEEP modes. The main digital regulator is automatically enabled
in all other modes.
Figure 7. State Machine Diagram
Table 11. Operating Modes Response Time
State/Mode
Response Time to
Current in State /Mode
[礎]
TX
RX
Shut Down State
16.8 ms
16.8 ms
15 nA
Idle States:
Standby Mode
Sleep Mode
Sensor Mode
Ready Mode
Tune Mode
800 祍
800 祍
800 祍
200 祍
200 祍
800 祍
800 祍
800 祍
200 祍
200 祍
450 nA
1 礎
1 礎
800 礎
8.5 mA
TX State
NA
200 祍
30 mA @ +13 dBm
RX State
200 祍
NA
18.5 mA
SHUT DWN
IDLE*
TX
RX
*Five Different Options for IDLE
SHUTDOWN
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 4431 | 制造商:Thomas & Betts 功能描述:TRIPLE HEX DIE 制造商:Thomas & Betts 功能描述:Triple Hex Die |
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| 4431.1002 | 功能描述:摇臂开关与扳钮开关 UV PROTECTION SWITCH Rocker, 115V 50HZ RoHS:否 制造商:C&K Components 触点形式: 开关功能: 电流额定值:50 mA 电压额定值 AC: 电压额定值 DC:30 V 功率额定值: 端接类型: 执行器:Paddle 颜色: 安装风格:Panel 端子密封: 触点电镀: 照明:Not Illuminated 照明颜色: |
| 4431.1003 | 功能描述:摇臂开关与扳钮开关 UV PROTECTION SWITCH Rocker, 120V 60HZ RoHS:否 制造商:C&K Components 触点形式: 开关功能: 电流额定值:50 mA 电压额定值 AC: 电压额定值 DC:30 V 功率额定值: 端接类型: 执行器:Paddle 颜色: 安装风格:Panel 端子密封: 触点电镀: 照明:Not Illuminated 照明颜色: |
| 4431.1004 | 功能描述:摇臂开关与扳钮开关 UV PROTECTION SWITCH Rocker, 230V 50HZ RoHS:否 制造商:C&K Components 触点形式: 开关功能: 电流额定值:50 mA 电压额定值 AC: 电压额定值 DC:30 V 功率额定值: 端接类型: 执行器:Paddle 颜色: 安装风格:Panel 端子密封: 触点电镀: 照明:Not Illuminated 照明颜色: |
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