Silicon Laboratories Si2415 Dokumentacja Pobierz pdf (Strona 46)

Si2457/34/15/04

46 Rev. 1.3

12 GND Ground.

Connects to the system digital ground.

13 V

Regulator Voltage Reference.

Connects to an external capacitor and serves as the reference for the internal

voltage regulator.

14 ESC Escape.

A positive edge on this pin causes the modem to go from online (connected) mode to

the offline (command) mode.

15 DCD

Carrier Detect.

Active low carrier detect.

16 SS

/RTS SPI Slave Select/Request to Send.

Active low slave select in SPI mode.

Active low request to send input used for flow control in UART mode.

Pin # Pin Name Description

1 2 ... 41 42 43 44 45 46 47 48 49 50 51 ... 59 60

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Silicon Laboratories Si2415 Dokumentacja Strona 46