cx29503 Mindspeed Technologies, cx29503 Datasheet - Page 250

• Manufacturer Part Number: cx29503
• Description: Cx29503 Broadband Access Multiplexer Data Sheet
• Manufacturer: Mindspeed Technologies

Register Description
0x522A—Transmit Overhead Insertion2 Control Register
The Transmit Overhead Insertion Control registers enable insertion of different overhead fields via the TEXT
signal. On the CX29503, the TEXT signal is an output from the TSB block to the D3/E3 block. This signal is
only used to pass the data for the terminal DL channel. See
interface.
Figure 8-4. TSB Module to DS3/E3 Module Interface
8-120
Source:
DS3 44.736 M Hz
E3 34.368 MHz
TXCKI
DS3/E3 Framer
RXCKI
(g aped clock)
(g aped clock)
(g aped clock)
(g aped clock)
TXGAPCK
RXGAPCK
REXTCK
TEXTCK
TXDATI
RXDAT
TEXT
NOTE:
m 13_rxgap
m 13_rxd
m 13_txgap
m 13_rextc
m 13_textc
tsb_txda
ck
at
tsb_tex
Mindspeed Technologies™
Not all the sources are available for every overhead field in every mode. Some of the
control bits have no effect in a specific mode. Some of the bits have multiple
meanings, depending on the working mode.
ck
k
ti
k
t
Preliminary Information
Figure 8-4
for the TSB block to DS3/E3 block
TSB Module
CX29503 Data Sheet
29503-DSH-002-B