SI2457-D-FS Silicon Laboratories Inc, SI2457-D-FS Datasheet - Page 15

• Manufacturer Part Number: SI2457-D-FS
• Description: IC ISOMODEM SYSTEM-SIDE 16SOIC
• Manufacturer: Silicon Laboratories Inc

Specifications of SI2457-D-FS

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

2.1.4.3. Reset Strapping Options for TSSOP with SPI-Interface
Table 8 lists the SPI-interface options for the 24-pin TSSOP package.
2.1.5. Reset Strapping Options for QFN Parts
2.1.5.1. Reset Strapping Options for QFN Parts with UART Operation
Table 9 lists the reset strapping options for QFN parts with UART operation.
4.9152 MHz
Input Clk
27 MHz
32 kHz
Input Clock
4.9152 MHz
27 MHz
32 kHz
Auto-Baud
Mode
Table 9. Reset Strapping Options for QFN Parts with UART Operation
Disable
Yes
Yes
Yes
No
No
No
Table 8. TSSOP-24 SPI-Interface Clock-Frequency Options
Three-Wire
Interface?
EEPROM
Yes
Yes
Yes
No
No
No
Three-Wire
EEPROM
Interface
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
FSYNC
Pin 4
FSYNCH
1
0
1
0
1
0
Pin 2
1
0
1
0
1
0
1
0
1
0
1
0
Pin 9, RXD
Pin 11, SCLK
Pin 15, AOUT
Pin 18, SDI/EESD
Rev. 1.3
Pin 21 Pin 15
CTS
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
AOUT EECLK
1
1
1
1
1
1
1
1
1
1
1
1
Reset-Strap Pins
Pin 13
1
1
1
1
1
1
1
1
1
1
1
1
Pin 16
INT
0
0
0
0
0
0
Pin 35 Pin 19 Pin 8 Pin 28
INT
1
1
1
1
1
1
1
1
1
1
1
1
Pin 17
RI
1
1
1
1
0
0
0
0
1
1
1
1
RI
1
1
0
0
1
1
SDI
1
1
0
0
1
1
0
0
1
1
0
0
AN93
Pin 23
DCD
X
X
1
1
0
0
DCD
1
1
1
1
X
X
X
X
0
0
0
0
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