cn8236 Mindspeed Technologies, cn8236 Datasheet - Page 333
cn8236
Manufacturer Part Number
cn8236
Description
Atm Servicesar Plus With Xbr Traffic Management
Manufacturer
Mindspeed Technologies
Datasheet
1.CN8236.pdf
(443 pages)
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CN8236
ATM ServiceSAR Plus with xBR Traffic Management
0xb4
The SCH_ABR_CON register sets the ABR TRM and ADTF time-out. Time-out values are in units of 64 cell
slots.
Access types: R/W
0xb8
The SCH_ABRBASE register sets the base address in SAR-shared memory for the ABR decision table. This
address is 128-byte aligned, and only the 16 most significant bits of the address are specified in the
SCH_ABRBASE register.
Access Types: R/W
0xbc
The SCH_CNG register sets each reassembly free buffer queue to a congested or non-congested state for
transmitted reverse RM cells.
Access Types: R/W
28236-DSH-001-B
31–16
31–29
27–16
15–0
15–0
31–0
Bit
Bit
Bit
28
—
—
—
ABR Congestion Register (SCH_CNG)
Schedule ABR Constant Register (SCH_ABR_CON)
ABR Decision Table Lookup Base Register (SCH_ABRBASE)
Field
Field
Field
Size
Size
Size
16
16
12
16
32
3
1
OOR_INT
ABR_TRM
ABR_ADTF
Reserved
OOR_EN
SCH_ABRB[15:0]
FBQ_CNG[31:0]
Name
Name
Name
Mindspeed Technologies
ABR TRM parameter.
Parameter value is SYSCLK period × SLOT_PER × ABR_TRM × 64.
ABR ADTF parameter.
Parameter values is SYSCLK period × SOT_PER × ABR_ADTF × 64.
Program and read as 0.
Enable ABR out-of-rate Forward RM cell generation.
ABR out-of-rate Forward RM cell interval. A VCC is examined for an
out-of-rate cell every OOR_INT schedule slots.
Base address for the ABR decision table.
Congestion state for each free buffer queue.
™
Description
Description
Description
14.0 CN8236 Registers
14.4 Scheduler Registers
14-17
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