peb3456 Infineon Technologies Corporation, peb3456 Datasheet - Page 158
peb3456
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
Datasheet
1.PEB3456.pdf
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overhead data signal (ROVHD, TOVHD) and an synchronization signal (ROVHSYN,
The address and byte enable signals on the PCI bus are mapped to the local bus
according to table 5-4 and table 5-5. It can be seen that the TE3-CHATT supports
different valid C/BE combinations which result in either a 8- or 16-bit access to the local
bus interface. All accesses not shown in the table result in generation of a ’PCI Access
Error’ interrupt vector. Byte swapping for 16 bit data transfers can be disabled.
Table 5-4
Table 5-5
5.4
The DS3 interface of the TE3-CHATT consists of one receive port and one transmit port.
The receive port provides a clock input (RC44) and one (RD44) or two data inputs
(RD44P, RD44N) for unipolar or dual-rail input signals. Receive data can be sampled on
the rising or falling edge of the receive clock. In transmit direction the port interface
consists of two clock signals, the transmit clock input TC44 and a clock output signal
TC44O. The data signals consists of one (TD44) or two data outputs (TD44P, TD44N)
for unipolar or dual-rail output signals. The transmit port can be clocked by the receive
clock RC44 or by the transmit clock TC44. The selected clock is provided as an output
on TC44O. Transmit data is updated on the rising or falling edge of TC44O.
The TE3-CHATT provides two additional serial interfaces, one for DS3 overhead bit
access and one for DS3 stuff bit access (M13 asynchronous format only).
The overhead access is provided via an overhead clock signal (ROVHCK, TOVHCK), an
Data Sheet
C/BE(3:0)
C/BE(3:0)
1110
1101
1011
0111
1110
1101
1011
0111
1100
0011
B
B
B
B
B
B
B
B
B
B
Serial Line Interface
C/BE to LA/LSIZE0 mapping in Motorola bus mode (8 bit port mode)
C/BE to LA/LSIZE0 mapping in Motorola bus mode (16 bit port mode)
LA(1:0)
LA(1:0)
00
01
10
11
00
01
10
11
00
10
B
B
B
B
B
B
B
B
B
B
LSIZE0
LSIZE0
1
1
1
1
1
1
1
1
0
0
158
AD(23:16)
AD(31:24)
AD(23:16)
AD(23:16)
AD(15:8)
LD(15:8)
LD(15:8)
AD(7:0)
AD(7:0)
AD(7:0)
-
-
AD(31:24)
AD(31:24)
AD(15:8)
AD(15:8)
LD(7:0)
LD(7:0)
-
-
-
-
-
Interface Description
PEB 3456 E
05.2001
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