PEB2085 SIEMENS [Siemens Semiconductor Group], PEB2085 Datasheet - Page 22

• Manufacturer Part Number: PEB2085
• Description: ISDN SubscribernAccess Controller
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

Pin Definitions and Functions of PEB 2086 (cont’d)
Pin No.
P-MQFP-64
62
5
7
7
57
10
13, 21
12
11
14
16
22
23
24
25
Semiconductor Group
Pin No.
P-LCC-44
16
20
22
22
11
24
31
26
25
27
28
32
33
34
35
Symbol
X2
X1
CP
BCL
V
V
V
XTAL1
XTAL2
SR2
SR1
SX1
SX2
IDP0(DD)
IDP1(DU)
SSD
SSA
DD
Input (I)
Output (O)
Open
Drain (OD)
I/O
I/O
I/O
O
–
–
–
I
O
I
I
O
O
I/O
I/O
22
Function
Mode specific function pins.
Clock Pulses/Special purpose pin, IOM-1
mode and IOM-2 (except TE) mode.
Bit Clock: Clock of frequency 768 kHz,
IOM-2 mode in TE.
Digital ground
Analog ground
Power supply (5 V
Connection for crystal or external
clock input.
Connection for external crystal.
Left unconnected if external clock is used.
S-Bus Receiver Input
S-Bus Receiver Input
S-Bus Transmitter Output (positive)
S-Bus Transmitter Output (negative)
IOM-Data Port 0 (DD)
IOM-Data Port 1 (DU)
IOM-1: IDP1:Open-drain with internal pull-
IOM-2: Open drain without internal pull-up
IDP0: Push-pull
resistor or push-pull (ADF2:ODS)
up resistor
5 %)
PEB 2086