CN8237EBGB Mindspeed Technologies, CN8237EBGB Datasheet - Page 248

• Manufacturer Part Number: CN8237EBGB
• Description: ATM SAR 622Mbps 3.3V ABR/CBR/GFR/UBR/VBR 456-Pin BGA
• Manufacturer: Mindspeed Technologies

Specifications of CN8237EBGB

• Package: 456BGA
• Traffic Class: ABR|CBR|GFR|UBR|VBR
• Utopia Type: Level 1|Level 2
• Host Interface: PCI
• Maximum Data Rate: 622 Mbps
• Typical Operating Supply Voltage: 3.3 V
• Minimum Operating Supply Voltage: 3.135 V

10.0 Local Memory Interface
10.1 Overview
10-2
Table 10-1. Memory Map
Table 10-2. Example of Memory Map
0 x FF FFFFh >> (7 – (BANKSIZE + NUMBANKS))
0 x 80 0000h >> (7 – (BANKSIZE + NUMBANKS))
0 x 7F FFFFh >> (7 – (BANKSIZE + NUMBANKS))
0 x 00 1800h
0 x 00 1000h – 0 x 00 17FF
0 x 00 0800h – 0 x 00 0FFFh
0 x 00 0400h – 0 x 00 07FFh
0 x 00 0000h – 0 x 00 03FFh
0 x 3F FFFFh
0 x 20 0000h
0 x 1F FFFFh
0 x 00 1800h
0 x 00 17FFh
0 x 00 1000h
0 x 00 0FFFh
0 x 00 0800h
0 x 00 0FFFh
0 x 00 0700h
0 x 00 03FFh
0 x 00 0000h
NOTE(S):
Byte Address Ranges
If BANKSIZE = 100 (1 Mbytes per bank) and NUMBANKS = 01 (2 banks)
Mindspeed Technologies
Byte Address Ranges
ATM OC-12 ServiceSAR Plus with xBR Traffic Management
SCS1* (for NUMBANKS = 2)
SCS0* (for NUMBANKS = 2)
RCS1* (for NUMBANKS = 2)
RCS0* (for NUMBANKS = 2)
Internal SRAM
PHY
Reserved
8237 Internal
Registers
Block Selected
™
SCS3*
SCS2*
SCS1*
SCS0*
RCS3*
RCS2*
RCS1*
RCS0*
Internal SRAM
PHY
Reserved
8237 Internal
Registers
Selected
Block
SEG
Local Memory
RSM
Local Memory
SAR
PHY
X
SAR
Source/Destination
SEG
Local Memory
RSM
Local Memory
SAR
PHY
X
SAR
28237-DSH-001-C
Source/Destination
CN8237