CN8237EBGB Mindspeed Technologies, CN8237EBGB Datasheet - Page 61

• 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

CN8237
ATM OC-12 ServiceSAR Plus with xBR Traffic Management
Figure 2-11. CN8237 Logic Diagram (4 of 6)
28237-DSH-001-C
RSM Chip Select Bank 0
RSM Chip Select Bank 1
RSM Chip Select Bank 2
RSM Chip Select Bank 3
General Purpose Input
RSM Read (Not Write)
Scheduler Reference
RSM Memory Clock
RSM Memory Clock
Test Mode Select
Test Logic Reset
Serial Test Data
RSM Byte Write
RSM Byte Write
RSM Byte Write
RSM Byte Write
EEPROM Data
Test Enable
PLL Bypass
Test Reset
(Reserved)
Test Clock
Test Clock
I/O
O
O
O
O
O
O
O
O
O
O
O
I
I
I
I
I
I
I
I
I
I I
AE23
AE25
AF23
AE24
AF24
AF25
AF22
AD23
AC26
AC7
AF8
V1
V2
V3
V4
W4
Y2
Y3
U1
U2
U3
U4
C3
I = Input, O = Output, OD = Open Drain Output
RCS0*
RCS1*
RCS2*
RCS3*
RRNW
RCLK0
RCLK1
RBW0*
RBW1*
RBW2*
RBW3*
CLK264P
CLK264N
PLLBYPASS
GPI
SCHREF
TRST*
TCLK
TMS
TDI
TESTEN
TESTRST
SDA
Mindspeed Technologies
The symbol (*) indicates active low.
Boundary Scan
Manufacturing Test
Serial EEPROM
Local Bus
Interface
Clocks/Status
Memory
Test Signals
Control Signals
EEPWR
SBW0*
SBW1*
SBW2*
SBW3*
CLKD3
SCLK0
SCLK1
STAT0
STAT1
STAT2
STAT3
SRNW
SCS0*
SCS1*
SCS2*
SCS3*
TDO
SCL
™
2.10 Logic Diagram and Pin Descriptions
AD25
AC23
AD26
D6
A7
B7
C7
AD7
AA2
AA3
AA4
Y1
B3
A3
C5
D5
A6
B6
C6
O
O
O
O
O
O
O
O
O
O
O
O
O SAR Status
O SAR Status
O SAR Status
O SAR Status
O
O
O
2.0 Architecture Overview
SEG Byte Write 0
SEG Byte Write 1
SEG Byte Write 2
SEG Byte Write 3
SEG Memory Clock 0
SEG Memory Clock 1
SEG Read (Not Write)
SEG Chip Select Bank 0
SEG Chip Select Bank 1
SEG Chip Select Bank 2
SEG Chip Select Bank 3
Serial Test Data
EEPROM Clock
EEPROM Power Supply
2/3 Clock Output
8237_004d
2-27