SI2457-D-FT Silicon Laboratories Inc, SI2457-D-FT Datasheet - Page 264

• 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

AN93
//
//
264
if ((hpTelNoFile = fopen(fnameTelno, "rb")) == NULL)
//
cpInputRd = SendAndWaitFor("AT+ES=6,,8\r", cpInputRd, "OK\r\n", 300);
//
//
//
//
//
cpInputRd = SendAndWaitFor("AT+ESA=0,0,0,,1\r", cpInputRd, "OK\r\n", 300);
//
//
//
//
cpInputRd = SendAndWaitFor("AT:U87,050A\r", cpInputRd, "OK\r\n", 300);
//
cpInputRd = SendAndWaitFor("AT:U7A,1\r", cpInputRd, "OK\r\n", 300);
AssertRTS(false);
char caOutGoing[256];
bool bValidLine = GetFileTextLine(caOutGoing);
printf("Phone Number: %s\n",caOutGoing);
if(bValidLine)
else
int iLength;
iCharCount = 0;
// Long training happens now!
cpInputRd = WaitForResponse(caSNRM_PKT_STR, cpInputRd, 6000);
Delay(50);
{
Skip waiting for the speed packet.
cpInputRd = WaitForResponse("\0x19\0xbe\0x24\0x24\0x19\0xb1", cpInputRd, 6000);
fprintf(stderr, "The Tel. Number File is missing.\n");
exit(1);
}
cpInputRd
{
fprintf(stderr, "The Tel. Number File is incorrect.\n");
exit(1);
}
,,8
AT+ESA=0,0,0,,1
0,,,,
,0...
,,0,,
,,,,1
"AT:U87,010A
0x0400 bit 10
0x0100 bit 8
0x000A bits 3:0
:U7A,1
modem transmits SYN if underrun during transparent mode
modem tx's flags after underrun after flag happens in framed sub mode
modem tx's abort on underrun in frame middle during framed sub mode
enables CRC generation and checking
Fast connect
= SendAndWaitFor(caOutGoing, cpInputRd, "CONNECT\r\n", 120000);
enables synch access on answering a connect
Synch access mode config
//reset the total chars to 0 for data mode.
synch access mode control
Minimal transparency <EM><T1 thru T4> during Rx
Upon connection immediately enter framed sub mode
Wait for 10 bytes before starting xmission.
//Delay to allow the line to turn around
Rev. 1.3
// ???