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参数资料
| 型号： | 4320-DKDB4 |
| 厂商： | Silicon Laboratories Inc |
| 文件页数： | 11/36页 |
| 文件大小： | 0K |
| 描述： | KIT DEV TEST EZRADIO SI4320 RX |
| 标准包装： | 1 |
| 附件类型： | 测试卡，接收器，915MHz |
| 适用于相关产品： | EZRadio? |
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Si4320
CONTROL INTERFACE
Commands to the receiver are sent serially. Data bits on pin SDI are shifted into the device upon the rising edge of the clock on pin SCK
whenever the chip select pin nSEL is low. When the nSEL signal is high, it initializes the serial interface. The number of bits sent is an integer
multiple of 8. All commands consist of a command code, followed by a varying number of parameter or data bits. All data are sent MSB first
(e.g. bit 15 for a 16-bit command). Bits having no influence (don’t care) are indicated with X. The Power On Reset (POR) circuit sets default
values in all control registers.
The status information or received data can be read serially over the SDO pin. Bits are shifted out upon the falling edge of CLK signal. When
the nSEL is high, the SDO output is in a high impedance state.
The receiver will generate an interrupt request (IRQ) for the microcontroller on the following events:
?
?
?
?
Supply voltage below the preprogrammed value is detected (LBD)
Wake-up timer timeout (WK-UP)
FIFO received the preprogrammed amount of bits (FFIT)
FIFO overflow (FFOV)
FFIT and FFOV are applicable only when the FIFO is enabled. To find out why the nIRQ was issued, the status bits should be read out.
Timing Specification
Symbol
t CH
t CL
t SS
t SH
t SHI
t DS
t DH
t OD
Timing Diagram
t SS
nSEL
Parameter
Clock high time
Clock low time
Select setup time (nSEL falling edge to SCK rising edge)
Select hold time (SCK falling edge to nSEL rising edge)
Select high time
Data setup time (SDI transition to SCK rising edge)
Data hold time (SCK rising edge to SDI transition)
Data delay time
Minimum value [ns]
25
25
10
10
25
5
5
10
t SHI
t CH
t CL
t OD
t SH
SCK
t DS
t DH
SDI
BIT 15
BIT 14
BIT 13
BI T 8
BI T 7
BIT 1
BI T 0
nIRQ
POR
W K-UP
nIRQ
11
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 4320-DKDB5 | 功能描述:射频开发工具 Test Board BIFA Rx (868MHz) RoHS:否 制造商:Taiyo Yuden 产品:Wireless Modules 类型:Wireless Audio 工具用于评估:WYSAAVDX7 频率: 工作电源电压:3.4 V to 5.5 V |
| 4320-DKDB8 | 功能描述:射频开发工具 Test Board xloop Rx (915MHz) RoHS:否 制造商:Taiyo Yuden 产品:Wireless Modules 类型:Wireless Audio 工具用于评估:WYSAAVDX7 频率: 工作电源电压:3.4 V to 5.5 V |
| 4320-DKDB9 | 功能描述:射频开发工具 Test Board xloop Rx (868Mhz) RoHS:否 制造商:Taiyo Yuden 产品:Wireless Modules 类型:Wireless Audio 工具用于评估:WYSAAVDX7 频率: 工作电源电压:3.4 V to 5.5 V |
| 4320-L15 | 制造商:American Denki 功能描述: |
| 4320-P | 制造商:American Denki 功能描述: |
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