PXB4219 Datasheet, PDF (122/290 Pages) Infineon Technologies AG – IWE8 Interworking Element for 8 E1/T1 Lines

PXB4219 / PXB4220 / PXB4221
Memory Structure
ocd_start_ Generate interrupt when OCD state starts
intrpt
0 = Disabled
1 = Enabled
ocd_end_ Generate interrupt when OCD state ends
intrpt
0 = Disabled
1 = Enabled
go_hunt
Go to hunt state
0 = Cell delineation finite state machine normal operation
1 = Cell delineation finite state machine forced in hunt state
Only the transition 0 → 1 forces the hunt state. Counter (number
of times SYNC state is left) is not incremented. Ocd_start
interrupt is not generated.
delete_idle_ Delete idle/unassigned cells enable
cells
0 = Disabled
1 = Enabled
x43_de
ATM cell payload descrambling enable
scrambling
0 = Disabled
1 = Enabled
channel_
mode
Channel mode
00 = Inactive mode
01 = Active mode (normal mode)
10 = Standby mode
11 = Active mode (normal mode)
ref_slot
Reference slot indicator
1 = This slot is a reference slot
Note: To allow IWE8 internal initialization, all channels must remain in inactive mode for
at least 250 µs after activation of the port (i.e. setting pcfN[p_rx_act] = 1). During
this time the device connected to the Framer Receive Interface has to be in normal
operation.
Data Sheet
122
2002-05-06