DS2167Q Maxim Integrated Products, DS2167Q Datasheet - Page 4

IC PROC ADPCM 16/24/32K 28-PLCC

DS2167Q

Manufacturer Part Number
DS2167Q
Description
IC PROC ADPCM 16/24/32K 28-PLCC
Manufacturer
Maxim Integrated Products
Type
ADPCM Processorr
Datasheet

Specifications of DS2167Q

Mounting Type
Surface Mount
Package / Case
28-LCC, 28-PLCC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Applications
-

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HARDWARE MODE
The hardware mode is intended for preliminary system
prototyping or for applications which do not require the
features of the serial port. Tying SPS to VSS disables
the serial port, clears all internal registers and maps
IPD, µ/A and CP/EX of the X and Y side interfaces to the
HARDWARE MODE Table 2
NOTES:
1. SCLK, A1 and A4 must be tied to VSS when the hardware mode is selected.
2. When both X and Y sides are idled, the devices enter a stand-by mode which significantly reduces power
3. The DS2167 will power-up within 200 ms after the X or Y side is reactivated (SDI and/or CS not equal to 0)
4. The DS2168 must be hardware reset when reactivated from standby. Power-up occurs immediately after the
DS2167/DS2168
022698 4/15
consumption.
from standby.
reset.
PIN #/NAME
18/SDI
19/CS
4/A0
6/A2
7/A3
9/A5
REG. LOCATION
CP/EX (X)
CP/EX (Y)
µ/A (Y).2
IPD (Y)
IPD (X)
µ/A (X)
NAMES AND DESCRIPTION
Channel X coding
0 = Expand
1 = Compress
Channel X data format
0 = A-law
1 = µ-law
Channel Y coding
0 = Expand
1 = Compress
Channel Y data format
0 = A-law
1 = µ-law
Y idle select
0 = Channel active
1 = Channel idle
X idle select
0 = Channel active
1 = Channel idle
port and address inputs. Input and output timeslots for
the X and Y side interfaces are fixed at 0. Such applica-
tions include, but are not limited to: 1) systems in which
timeslot and algorithm are fixed, 2) stand-alone ADPCM
combo applications, 3) “hardware” oriented systems
where no host controller is available.

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