PSB2186N-V11TR Infineon Technologies, PSB2186N-V11TR Datasheet - Page 22

• Manufacturer Part Number: PSB2186N-V11TR
• Description: IC ISDN SUBSCRIB ACCESS 44-PLCC
• Manufacturer: Infineon Technologies

Specifications of PSB2186N-V11TR

• Controller Type: Subscriber Access Controller (ISDN)
• Interface: 4-Wire SPI Serial
• Voltage - Supply: 4.75 V ~ 5.25 V
• Current - Supply: 17mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 44-PLCC
• Lead Free Status / RoHS Status: Request inventory verification / Request inventory verification
• Other names: PSB2186N-V11INTR; PSB2186N-V11TR

The right-hand side consists of:
– the serial interface logic for the IOM-2 interfaces, with B-channel switching capabilities
– the logic necessary to handle the D-channel messages (layer 2).
The latter consists of an HDLC receiver and an HDLC transmitter together with 64-byte deep
FIFO's for efficient transfer of the messages to/from the user's CPU.
In a special HDLC-controller operating mode, the auto mode, the ISAC-S TE processes
protocol handshakes (I- and S frames) of the LAPD (Link Access Procedure on the D channel)
autonomously.
Control and monitor functions as well as data transfers between the user's CPU and the D- and
B channels are performed by the 8-bit parallel P-interface logic.
The IOM interface allows interaction between layer-1 and layer-2 functions. It implements
D-channel collision resolution for connecting other layer-2 devices to the IOM interface (TIC
bus), and the C/I and MONITOR channel protocols (IOM-2) to control peripheral devices.
The timing unit is responsible for the system clock and frame synchronization.
2.2
The ISAC-S TE is configurable for the following application:
– ISDN terminals
IOM
In this mode the IOM interface has the enhanced functionality of IOM-2. B-channel interfacing
is performed directly via the IOM-2 interface.
The ISAC-S TE supports the IOM-2 terminal mode frame structure (3 channels) according to
figure 11 (see chapter 2.3.1).
The operating mode is shown in table 1.
Table 1
Operating Mode and Functions of Specific Pins of the ISAC
Pin No.
P-DIP-40-2
Pin No.
P-LCC-44-1
Pin No.
P-MQFP-64-1
Application
TE
*) synchronized to the S/T interface
Semiconductor Group
®
-2 Interface Mode (ADF2:IMS=1)
Interface and Operating Modes
11
12
58
DCL
o:1536 kHz*
o:output
22
TE mode
12
13
59
FSC1
o:8 kHz*
®
-S PSB 2186 in IOM
Functional Description
19
22
7
BCL
o:768 kHz*
®
-2 Mode