參數(shù)資料
型號(hào): MPC8560CPXALFB
廠商: FREESCALE SEMICONDUCTOR INC
元件分類(lèi): 微控制器/微處理器
英文描述: 32-BIT, 667 MHz, RISC PROCESSOR, PBGA783
封裝: 29 X 29 MM, 3.75 MM HEIGHT, 1 MM PITCH, FLIP CHIP, PLASTIC, BGA-783
文件頁(yè)數(shù): 20/108頁(yè)
文件大?。?/td> 2170K
代理商: MPC8560CPXALFB
MPC8560 Integrated Processor Hardware Specifications, Rev. 3.1
Freescale Semiconductor
19
RESET Initialization
5
RESET Initialization
This section describes the AC electrical specifications for the RESET initialization timing requirements of the
MPC8560. Table 10 provides the RESET initialization AC timing specifications for the DDR SDRAM
component(s).
Table 11 provides the PLL and DLL lock times.
Table 10. RESET Initialization Timing Specifications
Parameter/Condition
Min
Max
Unit
Notes
Required assertion time of HRESET
100
s
Minimum assertion time for SRESET
512
SYSCLKs
1
PLL input setup time with stable SYSCLK before
HRESET negation
100
s
Input setup time for POR configs (other than PLL
config) with respect to negation of HRESET
4
SYSCLKs
1
Input hold time for POR configs (including PLL config)
with respect to negation of HRESET
2
SYSCLKs
1
Maximum valid-to-high impedance time for actively
driven POR configs with respect to negation of
HRESET
5
SYSCLKs
1
Notes:
1.SYSCLK is identical to the PCI_CLK signal and is the primary clock input for the MPC8560. See the
MPC8560
PowerQUICC III Integrated Communications Processor Preliminary Reference Manual for more
details.
Table 11. PLL and DLL Lock Times
Parameter/Condition
Min
Max
Unit
Notes
PLL lock times
100
s
DLL lock times
7680
122,880
CCB Clocks
1, 2
Notes:
1.DLL lock times are a function of the ratio between the output clock and the platform (or CCB) clock. A 2:1 ratio
results in the minimum and an 8:1 ratio results in the maximum.
2. The CCB clock is determined by the SYSCLK
× platform PLL ratio.
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