SI2457-C-FT Silicon Laboratories Inc, SI2457-C-FT Datasheet - Page 55

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

Specifications of SI2457-C-FT

• Package / Case: 24-TSSOP
• Mfg Application Notes: SI2493/57/34/15/04, Appl Note AN93
• Data Format: V.21, V.22, V.23, V.32, V.34, V.90, Bell 103, Bell 212A
• Baud Rates: 56k
• Interface: Parallel, UART
• Voltage - Supply: 3 V ~ 3.6 V
• Mounting Type: Surface Mount
• Operating Frequency: 4.92 MHz
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 3 V
• Supply Current: 26 mA
• Operating Temperature Range: 0 C to + 70 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

U6E CK1
Reset settings = 0xXF20
U6F PTMR
Reset settings = 0x00FF
15:13
Name
Name
12:8
15:8
Type
Type
Bit
7:0
Bit
7:0
Bit
Bit
PTMR[7:0] Parallel Port Receive FIFO Interrupt Timer.
Reserved Do not modify.
Reserved Read returns zero.
Reserved Do not modify
D15
D15
R1[4:0]
Name
Name
D14
D14
R1 CLKOUT Divider.
See “AN93: Modem Designer’s Guide” for details.
See “AN93: Modem Designer’s Guide” for details.
D13
D13
D12
D12
D11
D11
R1[4:0]
D10
R/W
D10
D9
D9
Rev. 1.1
D8
D8
D7
D7
Function
Function
D6
D6
D5
D5
Si2457/34/15/04
PTMR[7:0]
D4
D4
R/W
D3
D3
D2
D2
D1
D1
D0
D0
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