MC145532 데이터 시트보기 (PDF) - Motorola => Freescale
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MC145532 Datasheet PDF : 16 Pages
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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
ADPCM Transcoder
Conforms to G.721–1988 and T1.301–1987
The MC145532 Adaptive Differential Pulse Code Modulation (ADPCM)
Transcoder provides a low–cost, full–duplex, single–channel transcoder to
(from) a 64 kbps PCM channel from (to) either a 16 kbps, 24 kbps, 32 kbps, or
64 kbps channel.
• Complies with CCITT Recommendation G.721–1988
• Complies with the American National Standard (T1.301–1987)
• Full–Duplex, Single–Channel Operation
• Mu–Law or A–Law Coding is Pin Selectable
• Synchronous or Asynchronous Operation
• Easily Interfaces with Any Member of Motorola’s PCM Codec–Filter
Mono–Circuit Family or Other Industry Standard Codec
• Serial PCM and ADPCM Data Transfer Rate from 64 kbps to 5.12 Mbps
• Power–Down Capability for Low Current Consumption
• The Reset State, an Option Specified in the Standards, is Automatically
Initiated When the RESET Pin is Released
• Simple Time Slot Assignment Timing for Transcoder Applications
• Single 5 V Power Supply
• 16–Pin Package
• The MC145536EVK is the Evaluation Platform for the MC145532 and Also
Includes the MC145480 5 V PCM Codec–Filter
DDO
DOE
S REG
REG
DDC
DDI
S REG
LATCH
DIE
BLOCK DIAGRAM
I/O DATA BUS
LATCH
S REG
DIGITAL
SIGNAL
PROCESSOR
REG
S REG
Order this document
by MC145532/D
MC145532
16
1
DW SUFFIX
SOG PACKAGE
CASE 751G
16
1
L SUFFIX
CERAMIC PACKAGE
CASE 620
ORDERING INFORMATION
MC145532DW SOG Package
MC145532L Ceramic Package
PIN ASSIGNMENT
MODE 1
DDO 2
DOE 3
DDC 4
DDI 5
DIE 6
RESET 7
VSS 8
16 VDD
15 EDO
14 EOE
13 EDC
12 EDI
11 EIE
10 SPC
9 APD
EDO
EDE
EDC
EDI
EIE
MODE
APD
VSS
RESET
SPC
VDD
REV 1
9/95 (Replaces NP470)
©MOMoTtoOroRla,OInLc.A1995
MC145532
1
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