Specifications

Si2404
Rev. 0.91 67
Document Change List
Revision 0.9 to Revision 0.91
 Table 6, “Switching Characteristics,” on page 7:
 Updated CLKOUT frequency specification
 Updated "Bill of Materials: Si2404 Chipset" on page
11.
 Added Table 8 on page 14.
 Updated the following functional descriptions:
 "Serial Interface" on page 14.
 "Clocking/Low Power Modes" on page 15.
 "Parallel Phone Detection" on page 16.
 Added Figure 5, “Loop Voltage,” on page 16.
 Added Figure 6, “Loop Current,” on page 17.
 "Pin Descriptions: Si2404" on page 61:
 Updated Pin 1 and Pin 4 description.
 Table 9 “Basic AT Command Set” on page 18:
 Updated the +GCI AT command descriptions.
 Added V.42bis and MNP5 data compression.