4432-T-B1 B 470 Silicon Laboratories Inc, 4432-T-B1 B 470 Datasheet - Page 36
4432-T-B1 B 470
Manufacturer Part Number
4432-T-B1 B 470
Description
RF Modules & Development Tools Tx/Rx Split 4432 TRx Testcard
Manufacturer
Silicon Laboratories Inc
Datasheet
1.4432-T-B1_B_470.pdf
(74 pages)
Specifications of 4432-T-B1 B 470
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Si4430/31/32-B1
be modulated and transmitted. In RX mode it will be the received demodulated data. Figure 15 demonstrates using
SDI and SDO as the TX/RX data and clock:
If the SDO pin is not used for data clock then it may be programmed to be the interrupt function (nIRQ) by
programming Reg 0Eh bit 3.
4.2.3. PN9 Mode
In this mode the TX Data is generated internally using a pseudorandom (PN9 sequence) bit generator. The primary
purpose of this mode is for use as a test mode to observe the modulated spectrum without having to provide data.
36
nSEL
SDO
SDI
SPI output
SPI input
don’t care
don’t care
Figure 15. Microcontroller Connections
SPI output
command
SPI input
TX on
MOD input
Data CLK
TX mode
Output
Rev 1.1
SPI output
command
SPI input
TX off
don’t care
don’t care
SPI output
command
SPI input
RX on
Data output
Data CLK
Output
RX mode
SPI output
command
SPI input
RX off
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