MC145572FNR2 Freescale Semiconductor, MC145572FNR2 Datasheet - Page 7
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MC145572FNR2
Manufacturer Part Number
MC145572FNR2
Description
Manufacturer
Freescale Semiconductor
Datasheet
1.MC145572FNR2.pdf
(264 pages)
Specifications of MC145572FNR2
Number Of Line Interfaces
1
Control Interface
HDLC
Package Type
PLCC
Lead Free Status / Rohs Status
Not Compliant
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5.6
5.6.1
5.6.2
5.6.3
5.6.4
5.6.5
5.6.6
6.1
6.2
6.3
6.4
6.5
6.6
6.7
6.8
6.9
6.10
6.11
6.11.1
6.11.2
7.1
7.2
7.3
7.4
7.5
7.6
7.7
MOTOROLA
LOOPBACKS
INTRODUCTION
ACTIVATION SIGNALS FOR NT MODE
ACTIVATION SIGNALS FOR LT MODE
ACTIVATION INITIATION
ACTIVATION OF U–INTERFACE BY NT
ACTIVATION OF U–INTERFACE BY LT
ACTIVATION INDICATION
NT DEACTIVATION PROCEDURES AND WARM START
LT DEACTIVATION PROCEDURES
INITIAL STATE OF B1 AND B2 CHANNELS
ADDITIONAL NOTES
INTRODUCTION
EMBEDDED OPERATIONS SUBCHANNEL
M4 SUBCHANNEL AND DATA TRANSPARENCY
M5 AND M6 CHANNELS
febe AND nebe BITS
FORCE CORRUPT crc
MAINTENANCE CHANNEL INTERRUPTS AND UPDATES
U–Interface Loopback
IDL2 Interface Loopback
Superframe Framer–to–Deframer Loopback
Superframe Framer–to–Deframer Loopbacks in Systems Having Multiple MC145572s
External Analog Loopback
External Analog Loopbacks in Systems Having Multiple MC145572s
Maintenance Channel Bits
Indication of Transmit States and Repeater Applications
TABLE OF CONTENTS (continued)
MCU MODE MAINTENANCE CHANNEL OPERATION
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MCU MODE ACTIVATION AND DEACTIVATION
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Freescale Semiconductor, Inc.
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For More Information On This Product,
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Go to: www.freescale.com
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SECTION 6
SECTION 7
MC145572
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Contents–iii
5–30
5–31
5–32
5–33
5–34
5–35
5–37
6–1
6–2
6–3
6–3
6–3
6–4
6–4
6–5
6–5
6–5
6–5
6–5
7–1
7–2
7–2
7–3
7–3
7–4
7–7
6–6
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