参数资料
型号: RPIXP2800BC
厂商: INTEL CORP
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 650 MHz, RISC PROCESSOR, PBGA1356
封装: 37.50 X 37.50 MM, 1 MM PITCH, FCBGA-1356
文件页数: 69/130页
文件大小: 1782K
代理商: RPIXP2800BC
Intel IXP2800 and IXP2850 Network Processors
Signal Description
Datasheet
43
3.2.12
Pin State During Reset
Table 17 defines the state of both the output (O) and bidirectional (TS) pins during reset.
Table 17. Pin State During Reset (Sheet 1 of 4)
Function
Pin name
Initial Values
Comment
SRAM
QDRn_A_H[23:0]
Output, low
SRAM
QDRn_RPS_L[1:0]
Output, high
SRAM
QDRn_WPS_L[1:0]
Output, high
SRAM
QDRn_BWS_L[1:0]
Output, high
SRAM
QDRn_K_L[1:0]
QDRn_K_H[1:0]
Clock out
SRAM
QDRn_C_L[1:0]
QDRn_C_H[1:0]
Clock out
SRAM
QDRn_D_H[17:0]
Output, low
SRAM
QDRn_Cin_L[1:0]
QDRn_Cin_H[1:0]
Clock in
QDRn_CIN_L(1) and QDRn_CIN_H(1)
input pad outputs are not connected
internally.
SRAM
QDRn_Q_H[17:0]
Input
SRAM
QDRn_VREF[2:0]
0.75 V
SRAM
QDRn_ZQ[0]
Pull down to GND
through a 50-ohm
resistor.
SRAM
QDRn_ZQ[1]
Pull up to 1.5 V
through a 50-ohm
resistor.
SRAM
VDDQ
1.5 V
RDRAM
RDRn_DQA
RSL 0 1.8 V
Pin is to be 1.8 V by the external terminator
when RSL 0.
RDRAM
RDRn_DQB
RSL 0
Pin is to be 1.8 V by the external terminator
when RSL 0.
RDRAM
RDRn_RQ
RSL 0
Pin is to be 1.8 V by the external terminator
when RSL 0.
RDRAM
RDRn_CTM,
RDRn_CTMN
Clock
RDRAM
RDRn_CFM,
RDRn_CFMN
Clock
CFM and CFMN are directly connected to
CTM and CTMN, respectively, inside the
chip.
RDRAM
RDRn_SIO
Output, low
RDRAM
RDRn_SCK
Output, high
RDRAM
RDRn_CMD
Output, low
RDRAM
RDRn_SYNCLKM
Clock
RDRAM
RDRn_PCLKN
Clock
RDRAM
VSS
GND
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