pxb4219 Infineon Technologies Corporation, pxb4219 Datasheet - Page 122

• Manufacturer Part Number: pxb4219
• Description: Iwe8 Interworking Element For 8 E1/t1 Lines
• Manufacturer: Infineon Technologies Corporation

ocd_start_
intrpt
ocd_end_
intrpt
go_hunt
delete_idle_
cells
x43_de
scrambling
channel_
mode
ref_slot
Note: To allow IWE8 internal initialization, all channels must remain in inactive mode for
Data Sheet
at least 250 µ s 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.
Generate interrupt when OCD state starts
0 =
1 =
Generate interrupt when OCD state ends
0 =
1 =
Go to hunt state
0 =
1 =
Delete idle/unassigned cells enable
0 =
1 =
ATM cell payload descrambling enable
0 =
1 =
Channel mode
00 =
01 =
10 =
11 =
Reference slot indicator
1 =
Disabled
Enabled
Disabled
Enabled
Cell delineation finite state machine normal operation
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.
Disabled
Enabled
Disabled
Enabled
Inactive mode
Active mode (normal mode)
Standby mode
Active mode (normal mode)
This slot is a reference slot
122
PXB4219 / PXB4220 / PXB4221
Memory Structure
2002-05-06