pef22504 Infineon Technologies Corporation, pef22504 Datasheet - Page 149

• Manufacturer Part Number: pef22504
• Description: Quad E1/t1/j1 Line Interface Component For Long- And Short-haul Applications Pef 22504 E, Pef 22504 Ht, Version 2.1
• Manufacturer: Infineon Technologies Corporation

Digital Interface Control 3
DIC3
Digital Interface Control 3
Field
CMI
RRTRI
RTRI
FSCT
RESX
Data Sheet
Bits
7
6
5
4
3
Type
rw
rw
rw
rw
Description
Select CMI Precoding (T1 only)
Only valid if CMI code (MR0.XC(1:0) = ´01
the CMI precoding and influences transmit and receive data.
Note: Before local loop is closed, B8ZS precoding has to be switched off.
0
1
RDO Tristate Mode
See
Note: RRTRI is logically exored with RTDMT multi function port, if this
00
01
10
11
FSC Tristate Mode
0
1
Rising Edge Synchronous Transmit
Depending on this bit all transmit framer interface data are clocked
(outputs) or sampled (inputs) with the selected active edge of the
selected framer transmit clock.
Only valid if CMR2.IXSC = ´0´:
Note: CMR2.IXSC = ´1´: value of RESX bit has no impact on the selected
0
1
B
B
B
B
B
B
B
B
B
B
Chapter 3.7.3.4
function is selected. RTDMT exor RRTRI sets additionally RCLK
into tristate.
channel/bit phases).
phases.
edge of the system interface clock but value of RESR bit is used as
RESX. Example: If RESR = ´0´, the rising edge of system interface
clock is the selected one for sampling data on XDI and vice versa.
interface transmit clock.
interface transmit clock.
Clocked or sampled with the first falling edge of the selected framer
CMI with B8ZS precoding
CMI without B8ZS precoding
normal operation (RDOP is switched to low level during inactive
RDO is switched into tristate mode during inactive channel/bit
RDO is tristate constantly (and also RCLK).
RDO is tristate constantly (and also RCLK).
normal operation of FSC pin.
FSC is switched into tristate mode.
Clocked or sampled the first rising edge of the selected framer
Offset
xx40
149
H
Register DescriptionDigital Interface Control 3
b
´) is selected. This bit defines
Rev. 1.3, 2006-01-25
QuadLIU
PEF 22504
Reset Value
00
TM
H