RX95HF datasheet(7/44 Pages) STMICROELECTRONICS

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RX95HF

Pin and signal descriptions

IRQ_OUT

O (4)

Interrupt output

SPI_SS

I (5)

SPI Slave Select (active low)

SPI_MISO

O (5)

SPI Data, Slave Output

SPI_MOSI

I (5)

SPI Data, Slave Input (5)

SPI_SCK

I (6)

SPI serial clock

SSI_0

I (5)

Select serial communication

interface

SSI_1

I (5)

Select serial communication

interface

ST_R1

I (7)

ST Reserved

GND

Ground (digital)

Not connected

XIN

Crystal oscillator input

XOUT

Crystal oscillator output

GND_TX

Ground (RF drivers)

ST_R5

ST Reserved

1. I: Input, O: Output, and P: Power

2. Must add a capacitor to ground (~1 nF).

3. Pad internally connected to a Very Weak Pull-up to VPS.

4. Pad internally connected to a Weak Pull-up to VPS.

5. Must not be left floating.

6. Pad internally connected to a Weak Pull-down to GND.

7. Pad input in High Impedance. Must be connected to VPS.

Table 2. RX95HF pin descriptions (continued)

Pin name

Type(1)

Main function

Alternate function

RX95HF Datasheet(PDF) 7 Page - STMicroelectronics

RX95HF Datasheet(HTML) 7 Page - STMicroelectronics

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