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: 59/130页
文件大小: 1782K
代理商: RPIXP2850BB
Intel IXP2800 and IXP2850 Network Processors
Signal Description
34
Datasheet
3.2.4
PCI
The PCI Bus can be used to interface to industry standard I/O devices, or to a Host processor;
see Table 9 for a list of signals. PCI signaling levels are defined in PCI Local Bus Specification,
Version 2.2*.
FC_RXCDAT_H(0)
FC_RXCDAT_H(1)
FC_RXCDAT_H(2)
FC_RXCDAT_H(3)
FC_RXCDAT_L(0)
FC_RXCDAT_L(1)
FC_RXCDAT_L(2)
FC_RXCDAT_L(3)
I
LVDS
TSTAT[1:0]
RXCDAT[3:0]
Flow Control Ingress Data – CSIX.
Transmit Status – SPI-4.
Note: When used in LVDS TSTAT mode,
only FC_RXCDAT_H/_L[1:0] are used.
FC_RXCDAT_H/_L[3:2] are unused.2
8
FC_RXCSOF_H,
FC_RXCSOF_L
I
LVDS
RXCSOF
Flow Control Ingress Start of Frame.2
2
FC_RXCPAR_H,
FC_RXCPAR_L
I
LVDS
RXCPAR
Flow Control Ingress Parity. If not used,
then this differential pair should be set to a
logical 0 (FC_RXCPAR_H = 0 and
FC_RXCPAR_L = 1). This is required for
the dynamic training to function properly.2
2
FC_RXCFC_H,
FC_RXCFC_L
O
LVDS
RXCFC
Flow Control Ingress FIFO Full.
2
FC_ZQ(1)
FC_ZQ(2)
I/O
Impedance Match. The ZQ1 and ZQ2 pins
should be connected together through a
100-ohm resistor.
2
VREFLO
I
Reference Voltage.
2
VREFHI
I
Reference Voltage.
2
FC_PREEMP
I
LVTTL
Impedance Match. In normal operation,
should be tied to logical 0.
1
Total
43
1. SPI-4 can use LVDS Status channel in place of LVTTL pins defined in Table 5. LVDS pins are enabled by MSF_RX_Control[RSTAT_Select] and
MSF_TX_Control[TSTAT_Select].
2. Floating and unused LVDS inputs should be terminated, as specified in Section 3.3.
Table 8.
MSF Flow Control Signals (Sheet 2 of 2)
Signal Name
I/O
Type
SPI-4 Use1
(Note 1)
CSIX Use
Description
Number
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