CN8236EBGB Mindspeed Technologies, CN8236EBGB Datasheet - Page 337
CN8236EBGB
Manufacturer Part Number
CN8236EBGB
Description
ATM SAR 155Mbps 3.3V ABR/CBR/GFR/UBR/VBR 388-Pin BGA
Manufacturer
Mindspeed Technologies
Datasheet
1.CN8236EBGB.pdf
(443 pages)
Specifications of CN8236EBGB
Package
388BGA
Traffic Class
ABR|CBR|GFR|UBR|VBR
Utopia Type
Level 1|Level 2
Host Interface
PCI
Maximum Data Rate
155 Mbps
Typical Operating Supply Voltage
3.3 V
Minimum Operating Supply Voltage
3 V
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CN8236
ATM ServiceSAR Plus with xBR Traffic Management
0xf4
The Reassembly Control register 1 contains additional general control bits for the reassembly coprocessor.
28236-DSH-001-B
30–28
26–24
23–20
19–17
16–13
9–5
4–0
Bit
31
27
12
11
10
—
Reassembly Control Register 1 (RSM_CTRL1)
Field
Size
1
3
1
3
4
3
4
1
1
1
5
5
EN_PROG_BLK_SZ
VCI_IT_BLK_SZ
EN_VPI_SIZE
Reserved
Reserved
Reserved
Reserved
OAM_FF_DSC
OAM_EN
OAM_QU_EN
OAM_BFR_QU
OAM_STAT_QU
Name
Mindspeed Technologies
Enable Programmable Block Size. When a logic high, the programmable
block size VPI/VCI lookup method is enabled. This method consists of
programmable block sizes, and an additional BLK_EN bit in the VCI Index
table.
VCC table/VCI Index table Block Size. This field determines the number of
RSM VCC entries accessed per VCI Index table entry.
If logic high, enables an expanded, more flexible VPI Index table
configuration. The VPI_SIZE register and PORT_ID from the framer are
used to calculate an index into the VPI Index table.
Program and read as 0.
Program and read as 0.
Program and read as 0.
Program and read as 0.
OAM FIFO buffer Full Discard. When a logic high and OAM_QU_EN is a logic
high, an OAM cell is discarded if the incoming DMA FIFO buffer is almost
full.
OAM Enable. Enables detection and processing of OAM cells.
OAM Buffer/Status Queue Enable. When a logic high, an OAM cell uses the
global OAM free buffer queue and status queue instead of per-channel
resources.
OAM Free Buffer Queue. When OAM_QU_EN is a logic high, OAM cells
uses, buffers from the free buffer queue identified by OAM_BFR_QU.
OAM Status Queue. When OAM_QU_EN is a logic high, OAM cells posts
status to the status queue identified by OAM_STAT_QU.
000
001
010
011
100
101
110
111
VALUE
™
Description
1
2
4
8
16
32
64
not valid.
VCC BLOCK_SIZE
14.5 Reassembly Registers
14.0 CN8236 Registers
14-21
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