SI2457-D-FT Silicon Laboratories Inc, SI2457-D-FT Datasheet - Page 22
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SI2457-D-FT
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
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Signal
DCD
OCD
PPD
CID
RI
Parallel
Tx Data
Mode
CTS
U70 Bit
Rx data
RTS
RXF bit
REM bit
0
1
2
3
4
14-Character
Hardware
Function
Data Carrier Detect—active high (inverse of DCD pin)
Ring Indicator—active high (inverse of RI pin)
Parallel Phone Detect
Overcurrent Detect
Caller ID Preamble Detect
Buffer
Table 20. Register U70 Signals INT Can Monitor
12-Character
Hardware
1024 Character Elastic Tx Buffer
Buffer
Figure 3. Transmit Data Buffers
Figure 4. Receive Data Buffers
128 Characters
796 Characters
1024 Character Elastic Rx Buffer
Rev. 1.3
SRAM
796 Characters
128 Characters
SRAM
CTS Deasserts
CTS Asserts
Transmit
Receive
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