PEB2085 SIEMENS [Siemens Semiconductor Group], PEB2085 Datasheet - Page 310
![no-image](/images/no-image-200.jpg)
PEB2085
Manufacturer Part Number
PEB2085
Description
ISDN SubscribernAccess Controller
Manufacturer
SIEMENS [Siemens Semiconductor Group]
Datasheet
1.PEB2085.pdf
(320 pages)
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- Current page: 310 of 320
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}
/***************************************************************************/
/*
/*
/*
/*
/*
/*
/***************************************************************************/
EXPORT int
InitL1_SBC (pei, mode_type)
{
Semiconductor Group
if (pt->pt_device == PT_ICC_B)
if (pt->pt_device == PT_ISAC_S_B)
spcr = inp(pt->pt_r_spcr);
outp (pt->pt_r_spcr, spcr | SPCR_SPU);
if (pt->pt_state & PT_IOM2)
else
while ((inp(pt->pt_r_cixr) & CIR_MASK) != CI_PU)
outp (pt->pt_r_spcr, spcr);
if (pt->pt_device == PT_ICC_B)
if (pt->pt_device == PT_ISAC_S_B)
return (TRUE);
BYTE
register PEITAB
BYTE
if (!(pt = GetPeitab_BASIC (pei)))
if (!(pt->pt_state & PT_L1_CTRL))
outp (pt->pt_r_cixr, CIXR_TBC | CI_TIM | 0x03);
outp (pt->pt_r_adfr, 0x10);
outp (pt->pt_r_sqxr, 0x80);
outp (pt->pt_r_cixr, CIXR_TBC | CI_TIM);
if (++i > 1000)
outp (pt->pt_r_adfr, 0x00);
outp (pt->pt_r_sqxr, 0x00);
Function: InitL1_SBC ()
Parms
purpose : initialize an SBC controlling ICC / L1 part of an ISAC-S
return (ACK_NOT_SUPPORTED);
break;
pei, mode_type;
: PEI value, mode of operation
reset L1 to come to default state
*pt;
r_mode;
/* ICC Bx: IDC is in reg. ADF1
/* ISAC-S Bx: IDC is in reg. SQXR
/* wait for power up indication
/* time out
/* now reset the IDC bit
/* ICC Bx: IDC is in reg. ADF1
/* ISAC-S Bx: IDC is in reg. SQXR
/* return if the addressed device
/* is not operational or not used
/* for LAYER 1
310
control
Low Level Controller
*/
*/
*/
*/
*/
*/
*/
*/
*/
*/
*/
*/
*/
*/
*/
*/
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