参数资料
型号: RPIXP2850BB
厂商: INTEL CORP
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 1400 MHz, RISC PROCESSOR, PBGA1356
封装: 37.50 X 37.50 MM, 1 MM PITCH, FCBGA-1356
文件页数: 123/130页
文件大小: 1782K
代理商: RPIXP2850BB
Intel IXP2800 and IXP2850 Network Processors
Electrical Specifications
92
Datasheet
Table 24. Functional Operating Voltage Range – 650 MHz
Interface
Supply Name
Description
Voltage (V)
Tolerance
(+/-%)
Notes
1,2,3,4
1. These supplies can be derived from core Vcc, but should be filtered appropriately.
2. QDR references should be derived from Vddq so that they track fluctuations in Vddq.
3. SPI-4 reference should be derived from VCC25V so that they track fluctuations in VCC25V.
4. The tolerance on the PCI supply is tighter than specified in the PCI Local Bus Specification, Version 2.2*.
Core
VCC
VSS
Core power supply
Core ground
1.2 V
GND
5%
N/A
Clock/PLL
VCC_PLL
VSS
VCC_CLK
PLL power
PLL ground
Ref. Clock power (also for
GPIO)
1.2 V
GND
2.50 V
5%
N/A
5%
SPI-4/CSIX/F
LOW
VCC25V
VCCA_FC
VCCA_SPI4
VREFHI
VREFLO
SPI-4 supply (also for PCI)
DLL power
SPI-4/flow reference voltage
2.50 V
1.2 V
1.40 V
1.00 V
5%
GPIO
VCC33
GPIO, JTAG, SP power
3.30 V
5%
PCI
VCC33_PCI
PCI power supply
3.30 V
5%
QDR
VDDQ
PAS0_VCCA
PAS1_VCCA
PAS2_VCCA
PAS3_VCCA
VREF_QDR0
VREF_QDR1
VREF_QDR2
VREF_QDR3
QRD power supply
DLL power
QDR reference voltage
1.50 V
1.2 V
0.75 V
1.4 V to 1.6 V
5%
0.7 V to 0.85 V
RDR
VCCR
VCCRA
VCCRIO
PAR0_PADVREFA
PAR0_PADVREFB
PAR1_PADVREFA
PAR1_PADVREFB
PAR2_PADVREFA
PAR2_PADVREFB
RDRAM core processor
RDRAM clean power
RDRAM I/O power
RDRAM reference voltage
1.2 V
1.80 V
1.40 V
5%
1.7 V to 1.9 V
1.2 V to 1.6 V
FUSE
VCC_FUSE
Fuse power supply
1.2 V
5%
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