MC145572PBR2 Freescale Semiconductor, MC145572PBR2 Datasheet - Page 162
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MC145572PBR2
Manufacturer Part Number
MC145572PBR2
Description
Manufacturer
Freescale Semiconductor
Datasheet
1.MC145572PBR2.pdf
(264 pages)
Specifications of MC145572PBR2
Number Of Line Interfaces
1
Control Interface
HDLC
Lead Free Status / Rohs Status
Not Compliant
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9–14
procedure DCH_init
/* PURPOSE: DCH_init initializes the D channel SCP/PCP communications and also activates
the MC145572.
BEGIN
NR0(b3) <–
NR0(b3) <–
BR10(b1) <–
NR4
NR2(b3) <–
Wait for interrupt;
Other code;
END
procedure DCH_ISR
BEGIN
END
IF NR3(b3) = 1 THEN
BEGIN
END
<–
1;
0;
1;
8;
1;
IF NR1 = F THEN
BEGIN
END
ELSE IF NR1 = A or B AND initial activation THEN
ELSE IF NR1 = 4 THEN
BEGIN
END
Freescale Semiconductor, Inc.
For More Information On This Product,
/* Assert software reset. Only required
/* De–assert software reset. Only required at power–up initialization.*/
/* Enable SCP/PCP D channel read/write access through OR12 */
/* Enable IRQ3, activation/D channel interrupt */
/* Set activation request bit.*/
at power–up initialization.*/
/*
* get OFF HOOK (RT) or RING DETECT (COT)
* read OR12 and initiate
NR2(b0) <– 1;
Take appropriate measures:
* disable interrupts
* report unsuccessful
to OR12
or RING DETECT to end phone (from RT)
if necessary
status from hardware and write
OFF HOOK to central office (from COT)
activation attempt
Go to: www.freescale.com
/* Test for activation interrupt */
MC145572
/* Check for D channel interrupt.*/
/* Test for successful initial activation */
/* set customer enable bit */
/* Test for error indication */
Wait for result of Activation */
MOTOROLA
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