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參數(shù)資料
| 型號： | 4432-T-B1 B 915 |
| 廠商： | Silicon Laboratories Inc |
| 文件頁數(shù)： | 20/47頁 |
| 文件大小： | 799K |
| 描述： | KIT DEV TEST EZRADIOPRO SI4432 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 附件類型： | 測試卡，收發(fā)器，915MHz |
| 適用于相關(guān)產(chǎn)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(chǔ)]
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(chǔ)
1 礎(chǔ)
800 礎(chǔ)
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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 4432-T-B1C470 | 制造商:Silicon Laboratories Inc 功能描述:One antenna Tx/Rx test card 470MHz |
| 4432-T-B1C915 | 制造商:Silicon Laboratories Inc 功能描述:One antenna Tx/Rx test card 915MHz |
| 4432W-1"x72yd | 功能描述:膠帶 70002457219 4432W YDA WHITE 1 IN X 72 YD BULK RoHS:否 制造商:3M Electronic Specialty 產(chǎn)品:Tapes 類型:Shielding 描述/功能:EMI/RFI Foil Shielding Tape 顏色: 材料:Copper Foil 寬度:1 in x 18 yds |
| 4432W-1/2"x72yd | 功能描述:膠帶 4432WYDA WHITE 1/2X72YD BULK RoHS:否 制造商:3M Electronic Specialty 產(chǎn)品:Tapes 類型:Shielding 描述/功能:EMI/RFI Foil Shielding Tape 顏色: 材料:Copper Foil 寬度:1 in x 18 yds |
| 4432W-1/2X72YD | 制造商:3M Electronic Products Division 功能描述: |
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