The ISAR 34, ISDN Data Access
Controller forms an enhanced
solution for ISDN applications
communicating with remote
ISDN as well as analog terminals.
The new ISAR 34 supports mo-
dem modulation up to 33600 bit/s
(V.34+), fax up to 14400 bit/s
and 3 HDLC controllers. The
ISAR 34 platform is upgradable
to standards like modem V.PCM
or audio compression G.728. ISAR34
Product Brief
ISAR34 PSB 7115
Enhanced ISDN
Data Access Controller
Potential Application
yISDN PC/Workstation Adapter
yISDN Voice/Data Terminal
yAnalog Voice/Data Modem
yAnalog Videophone
yEmbedded Modem (e.g. Set-
Top-Box)
Features
yModem modulation up to
33600 bit/s (V.34bis) including
fallback modes
yFax modulation up to
14400 bit/s (V.17) including
fallback modes
yBit rate adaptation according
to V.110 for both B-channels
(except during datamodem
modulation)
yTwo Channel DTMF generation
and detection
yTwo universal formatter suppor-
ting ASYNC (ITU-T V.14), HDLC
and binary framing of data for
B-channel applications
y
ISDN C/I-channel and MONITOR
channel handler
yIOM-2 terminal mode
(1.536 MHz), line card mode
(4.096 MHz)
yExternal memory interface to
connect external program and
data memory
ySupports host based (program
download to external SRAM)
and standalone (flash memory)
applications
yMailbox interface for host
communication
y253 byte FIFO per direction for
host interface communication
of B-channel data
y3.3 V / 5 V power supply
yAdvanced CMOS technology
Packing
Type Ordering Code Package
ISAR34 PSB 7115 F V2.1 Q67227-H1015 P-TQFP-144-2
Product status
Product Step Status Changes
ISAR34 PSB 7115 F V2.1 ES Q4/97 –
http://www.siemens.de/semiconductor/
17019 Datenkurzbl. ISAR34 18.03.1998 14:00 Uhr Seite 1
Published by Semiconductor Group
Siemens Aktiengesellschaft Ordering No. B118-H7202-X-X-7600
Printed in Germany
PS 02982. 1102980021
IOM-2
S0
ISAR 34
PSB 7115
ISAC-S TE
PSB 2186
ARCOFI-SP
PSB 2163
local bus
PCI-Interface
Timeslot Assignment Timeslot Assignment TIC Bus Access Channel Select
Pump
Data
modem
V.34bis
Bank 3
Bank 2
Bank 1
Ext. Memory
Bank 0
Fax
modem
V.17
V.110 DTMF Trans-
parent
Pump
V.110 DTMF
Trans-
parent
SART
HDLC
ASYNC
V.14
Buffer 1 Buffer 2
Binary
SART
HDLC
ASYNC
V.14 Binary
Buffer 3 Buffer 0
D-
channel
HDLC
C/I
channel
MONITOR
channel
Test/
Diag.
IOM-2 and additional serial interface
Communication Mailbox
2 x 253 bytes
Host Interface
Local Bus Interface
ISDN PC-card featuring ISDN, modem, fax
123
456
789
*0 #
Video
Capture
SRAM
Video Out
IOM-2
host bus
SAI
PAL/NTSC
Camera
PAL/NTSC
TV
ISDN
S0
RS232
DRAM
ROM
ARCOFI-SP
PSB 2163
VCP
8 x 8
3100 series
mController
C161/ C163
ISAR 34
PSB 7115
JADE AN
PSB 7230
ISAC-S TE
PSB 2186
Display
Applications
Standalone Videophone (H.320, H.324, compatibel)
Design-In material (Please contact our sales office for details)
ISAR34
Block Diagram
Date of issue/version Type of material
ISAR34 PSB 7115
Product overview 7/97 Copy
Development Tooling
Availability Ordering number
SIPB 7115 ISAR34
Demo Board with S- and
ALIS Interface Q4/97 Q67220-H1053
SIPB 7115 ISAR34
Demo Board with S- and
ALIS Interface, complete
package 1/98 SW, brelease Q67220-H1053
How to reach us:
http://www.siemens.de/semiconductor/
address/address.htm
© Siemens AG 1998.
All Rights Reserved.
Please note that any information contained in this
publication may be subject to change. Siemens
reserves the right to make changes to or to dis-
continue any product or service identified in this
publication without notice.
Please contact our regional offices to receive the
latest version of the relevant information to verify,
before placing orders, that the information being
relied upon is current.
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17019 Datenkurzbl. ISAR34 18.03.1998 14:00 Uhr Seite 2
