SI2457-D-FT Silicon Laboratories Inc, SI2457-D-FT Datasheet - Page 46

• Manufacturer Part Number: SI2457-D-FT
• Description: IC ISOMODEM SYSTEM-SIDE 24TSSOP
• Manufacturer: Silicon Laboratories Inc

Specifications of SI2457-D-FT

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Si2457/34/15/04
46
Pin #
12
13
14
15
16
Pin Name
SS/RTS
GND
DCD
ESC
V
A
Ground.
Connects to the system digital ground.
Regulator Voltage Reference.
Connects to an external capacitor and serves as the reference for the internal
voltage regulator.
Escape.
A positive edge on this pin causes the modem to go from online (connected) mode to
the offline (command) mode.
Carrier Detect.
Active low carrier detect.
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.
Rev. 1.3
Description