CN8236EBGB Mindspeed Technologies, CN8236EBGB Datasheet - Page 251

• Manufacturer Part Number: CN8236EBGB
• Description: ATM SAR 155Mbps 3.3V ABR/CBR/GFR/UBR/VBR 388-Pin BGA
• Manufacturer: Mindspeed Technologies

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

CN8236
ATM ServiceSAR Plus with xBR Traffic Management
Figure 8-2. Little Endian Misaligned Transfer
Figure 8-3. Big Endian Aligned Transfer
28236-DSH-001-B
Length (# of 32 bit words) = 3
Host Address = 01
from RSM block
10
Length (# of 32 bit words) = 3
2
6
Bytes
1
5
9
PCI Host Address Space
0
4
8
11
7
3
ATM Cell
0x00
0x04
0x08
0x0C
implied that the data is misaligned.
address would map into the PCI host address space for a little endian system.
address space for a big endian system.
Address
When the CN8236 specifies a host address with the LSBs not equal to 00, it is
Figure 8-3
ATM Cell
Mindspeed Technologies
0
PCI Host Address Space
1
illustrates how a byte-aligned address would map into the PCI host
Host Address = 10
from RSM block
5
1
9
Host Address = 00 from RSM block
2
0
0
4
8
Bytes
3
1
11
3
7
4
4
0
8
2
10
2
6
5
Bytes
1
5
9
3
10
0x00
0x04
0x08
0x0C
6
6
2
4
7
11
7
3
5
Address
Figure 8-2
8
6
0x00
0x04
0x08
™
9
7
10
Address
8
Host Address = 11
from RSM block
illustrates how a misaligned
11
0
4
8
9
11
10
Bytes
3
7
10
11
2
6
1
5
9
8.4 Misaligned Transfers
8.0 DMA Coprocessor
0x00
0x04
0x08
0x0C
Address
8236_056
8236_057
8-3