Order this document
by MC145532/D
SEMICONDUCTOR TECHNICAL DATA
Conforms to G.721–1988 and T1.301–1987
DW SUFFIX
SOG PACKAGE
CASE 751G
16
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.
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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
L SUFFIX
CERAMIC PACKAGE
CASE 620
16
1
ORDERING INFORMATION
MC145532DW SOG Package
MC145532L Ceramic Package
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PIN ASSIGNMENT
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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
MODE
DDO
DOE
DDC
DDI
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
V
DD
EDO
EOE
EDC
EDI
DIE
EIE
RESET
SPC
APD
V
SS
BLOCK DIAGRAM
DDO
EDO
EDE
I/O DATA BUS
DOE
REG
S REG
S REG
LATCH
REG
S REG
S REG
DDC
DDI
EDC
EDI
DIGITAL
SIGNAL
PROCESSOR
LATCH
DIE
EIE
RESET
SPC
MODE
APD
V
V
DD
SS
REV 1
9/95 (Replaces NP470)
Motorola, Inc. 1995
MOTOROLA
MC145532
1