SI2493-C-GT Silicon Laboratories Inc, SI2493-C-GT Datasheet - Page 60
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SI2493-C-GT
Manufacturer Part Number
SI2493-C-GT
Description
IC ISOMODEM SYSTEM-SIDE 24TSSOP
Manufacturer
Silicon Laboratories Inc
Datasheet
1.SI2493-C-FS.pdf
(230 pages)
Specifications of SI2493-C-GT
Mfg Application Notes
SI2493/57/34/15/04, Appl Note AN93
Data Format
V.21, V.22, V.23, V.29, V.32, V.34, V.90, V.92, Bell 103, Bell 212A
Baud Rates
56k
Interface
Parallel
Voltage - Supply
3 V ~ 3.6 V
Mounting Type
Surface Mount
Package / Case
24-TSSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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AN93
may be allocated to the <commands> portion of the
EEPROM is limited to 1000 bytes.
Firmware upgrades may also be automatically loaded
into the Si2493/57/34/15/04 using the BOOT format.
Note that three <CR>’s must be the last three entries in
the EEPROM.
The Si2493/57/34/15/04 includes a simple three-wire
interface that may be directly connected to serial SPI
EEPROMs that are available from several different
manufacturers.
60
HOST
Figure 13. EEPROM Connection Diagram
EESD
SO/SI
Si2457/34/15/04
EEPROM
EECS
SPI
CS
EECLK
SCLK
Rev. 0.9
For example:
25LC080—25LC640 Microchip
AT25080—AT25640 Atmel
The EEPROM must be between 8192 and 65536 bits in
size and support the commands given in Table 27. The
EEPROM
regardless of size, allow a minimum clock frequency of
1 MHz, and should assert its output on falling edges of
EECLK and latch input data on rising edges of EECLK.
A four-wire EEPROM (with separate serial input and
output data wires may be used with the input and output
pins connected to EESD so long as SDO is tristated on
the last falling edge of EECLK during a read cycle. All
data is sent to and from the EEPROM with the LSB first.
Figure 13 shows the connection diagram for the
EEPROM feature.
must
Si3018/10
also
support
TELEPHONE
16-bit
LINE
addressing
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