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参数资料
| 型号： | 4431-T-B1 D 470 |
| 厂商： | Silicon Laboratories Inc |
| 文件页数： | 19/47页 |
| 文件大小： | 799K |
| 描述： | KIT DEV TEST EZRADIOPRO SI4431 |
| 标准包装： | 1 |
| 附件类型： | 测试卡，收发器，470MHz |
| 适用于相关产品： | EZRadioPRO? |
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Si4430/31/32-B1
Rev 1.1
19
Figure 4. SPI TimingREAD Mode
The SPI interface contains a burst read/write mode which allows for reading/writing sequential registers without
having to re-send the SPI address. When the nSEL bit is held low while continuing to send SCLK pulses, the SPI
interface will automatically increment the ADDR and read from/write to the next address. An example burst write
transaction is illustrated in Figure 5 and a burst read in Figure 6. As long as nSEL is held low, input data will be
latched into the Si4430/31/32 every eight SCLK cycles.
Figure 5. SPI TimingBurst Write Mode
Figure 6. SPI TimingBurst Read Mode
nSEL
SCLK
SDI
First Bit
Last Bit
A0
D7
=X
DO
D7
A1
A2
First Bit
Last Bit
A3
D6
=X
D5
=X
D4
=X
D3
=X
D2
=X
D1
=X
D0
=X
D6 D5 D4 D3 D2 D1 D0
A4
A5
A6
RW
=0
nSEL
SCLK
SDI
First Bit
A0
D7
=X
A1
A2
A3
D6
=X
D5
=X
D4
=X
D3
=X
D2
=X
D1
=X
D0
=X
A4
A5
A6
RW
=1
Last Bit
D7
=X
D6
=X
D5
=X
D4
=X
D3
=X
D2
=X
D1
=X
D0
=X
SEL
CLK
DI
First Bit
Bi
A0
D7
=X
DO
D7
A1
A2
First Bit
A3
D6
=X
D
=X
D4
=X
D3
=X
D2
=X
D1
=X
D0
=X
D6 D5 D4 D3 D2 D1 D0
A4
A5
A6
RW
=0
D7 D6 D5 D4 D3 D2 D1 D0
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相关代理商/技术参数 |
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| 4431-T-B1D868 | 制造商:Silicon Laboratories Inc 功能描述:One tied antenna Tx/Rx test card 868MHz |
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