pxf4336 Infineon Technologies Corporation, pxf4336 Datasheet - Page 374

• Manufacturer Part Number: pxf4336
• Description: Abm Premium Atm Buf Fer Manager
• Manufacturer: Infineon Technologies Corporation

VCMerge
INITRAM
INITSDRAM
Data Sheet
10
11
Note: The Cell Pointer RAM Size should be programmed during
VC Merge Enable
This bit enables VC-Merge operation on a global basis. It
determines the usage (required width) of the Cell Pointer RAM,
since VC-Merge operation requires one additional flag ‘EOP Mark’
in the CPR.
(see also
Page 174
0
1
Init RAM
Start of Initialization of the internal RAM.
This bit is automatically cleared after execution.
1
(0)
Init SDRAM
Initialization and configuration of the external SDRAM. This bit must
be set to 1 after reset (initial pause of at least 200 µs is necessary)
and is automatically cleared by the ABM-P after configuration of the
SDRAM has been executed.
1
(0)
initialization and should not be changed during operation.
Table 5-10 "SSRAM Configuration Examples" on
)
64k pointer entries per direction
(corresponds to 64k cells in each cell storage RAM)
reserved
VC-Merge operation disabled.
VC-Merge operation enabled.
Starts internal RAM initialization procedure.
Note: The internal RAM initialization process can be
self-clearing
Starts SDRAM initialization procedure
self-clearing
activated only once after hardware reset.
374
Register Description
PXF 4336 V1.1
2001-12-17
ABM-P