peb3456 Infineon Technologies Corporation, peb3456 Datasheet - Page 39

• Manufacturer Part Number: peb3456
• Description: Channelized T3 Termination With Ds3 Framer, M13 Multiplexer, T1/ E1 Framers And 256 Channel Hdlc/ppp Controller
• Manufacturer: Infineon Technologies Corporation

2.6
•
Data Sheet
AB25
V23
Pin No.
D12
A11
Pin No.
Serial Interface
LHLDA
or
LBG
LBGACK
Symbol
CTCLK
CTFS
Symbol
Output (O)
Output (O)
Input (I)
Input (I)
O
I
I
I
I
39
Hold (Intel Bus Mode)
LHLDA
processor has released control of the
local bus.
Bus Grant (Motorola Bus Mode)
LBG indicates that the TE3-CHATT may
access the local bus.
Bus Grant Acknowledge (Motorola
Bus Mode)
LBGACK is driven low when the TE3-
CHATT has become bus master.
When local bus master functionality is
disabled this output is tri-state.
Function
Common Transmit Clock
CTCLK is the external transmit clock for
the T1 or E1 tributaries configured in
external timing mode.
Common
Synchronization
CTFS is used to synchronize the T1/E1
transmit lines, which are clocked with
CTCLK in external timing mode.
If not used CTFS should be connected to
V
SS
.
indicates
Function
Transmit
that
Pin Description
the
PEB 3456 E
external
Frame
05.2001