Microchip Technology Humidity Sensor PICtail Specifikace stáhnout pdf (Strana 87)

The main block diagram for the MRF24WB0MA module is shown in Figure 36

below. This diagram depicts the main connections between the different

components within the RF transceiver module. The arrows on the right show how

it will connect with the microcontroller.

Figure 36 Block Diagram for MRF24WB0MA (Reprinted with permission

from MicroChip®)

The MRF24WB0MA module interfaces to the microcontroller via a four-wire serial

slave SPI interface, as well as the interrupt, hibernate, reset, power and ground

signals. In the Figure 37 below, we can see that input/ output from the

microcontroller will connect with the SPI Chip Select (CS) input and clock (SCK),

while the data will exchange through the SPI data in and out (SDI, SDO) pins. All

data communications with the module are through the SPI interface.

Figure 37 MRF24WB0MA interface to microcontroller (Reprinted with

permission from MicroChip®)

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Microchip Technology Humidity Sensor PICtail Specifikace Strana 87