参数资料
型号: MPC8560PXAQFC
厂商: Freescale Semiconductor
文件页数: 18/108页
文件大小: 0K
描述: MPU POWERQUICC III 783FCPBGA
标准包装: 36
系列: MPC85xx
处理器类型: 32-位 MPC85xx PowerQUICC III
速度: 1.0GHz
电压: 1.3V
安装类型: 表面贴装
封装/外壳: 784-BBGA,FCBGA
供应商设备封装: 783-FCPBGA(29x29)
包装: 托盘
MPC8560 Integrated Processor Hardware Specifications, Rev. 4.2
Freescale Semiconductor
17
RESET Initialization
4.4 Real Time Clock Timing
Table 10 provides the real time clock (RTC) AC timing specifications for the MPC8560.
5 RESET Initialization
This section describes the AC electrical specifications for the RESET initialization timing requirements of
the MPC8560. Table 7 provides the RESET initialization AC timing specifications for the MPC8560.
Table 12 provides the PLL and DLL lock times.
Table 10. RTC AC Timing Specifications
Parameter/Condition
Symbol
Min
Typical
Max
Unit
Notes
RTC clock high time
tRTCH
2 x
tCCB_CLK
——
ns
RTC clock low time
tRTCL
2 x
tCCB_CLK
——
ns
Table 11. RESET Initialization Timing Specifications
Parameter/Condition
Min
Max
Unit
Notes
Required assertion time of HRESET
100
μs—
Minimum assertion time for SRESET
512
SYSCLKs
1
PLL input setup time with stable SYSCLK before
HRESET negation
100
μs—
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 12. PLL and DLL Lock Times
Parameter/Condition
Min
Max
Unit
Notes
PLL lock times
100
μs—
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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