参数资料
型号: ZL50114GAG
厂商: XILINX INC
元件分类: 通信及网络
英文描述: SPECIALTY TELECOM CIRCUIT, PBGA552
封装: 35 X 35 MM, 1.27 MM PITCH, PLASTIC, MS-034, BGA-552
文件页数: 112/113页
文件大小: 2004K
代理商: ZL50114GAG
ZL50110/11/12/14
Data Sheet
98
Zarlink Semiconductor Inc.
Figure 43 - CPU Read - MPC8260
Figure 44 - CPU Write - MPC8260
tOTV
tCTV
tOTV
tSDV
tODV
tCDV
tSDV
tODV
tCTH
tCTS
tCEH
tCES
tCSH
tCSS
tCAH
tCAS
0 or more cycles
tCC
NOTE 1: CPU_DATA is valid when CPU_TA is asserted. CPU_DATA will remain valid while both CPU_CS
and CPU_OE are asserted. CPU_TA will continue to be driven until CPU_CS is deasserted.
CPU_CLK
CPU_ADDR[23:2]
CPU_CS
CPU_OE
CPU_WE
CPU_TS_ALE
CPU_DATA[31:0]
CPU_TA
CPU_CS and CPU_OE must BOTH be asserted to enable the CPU_DATA output.
NOTE 2: CPU_TS_ALE is no more than one clock cycle width and it can be delayed by one clock cycle from
CS assertion.
NOTE 3: The CPU_TA maximum assertion time is 4
μs.
tOTV
tCTV
tOTV
tCDH
tCDS
tCTH
tCTS
tCEH
tCES
tCSH
tCSS
tCAH
tCAS
0 or more cycles
0 or
tCC
0 or more cycles
NOTE 1: Following assertion of CPU_TA, CPU_CS may be deasserted. The MPC8260 will continue to assert CPU_CS
until CPU_TA has been synchronized internally. CPU_TA will continue to be driven until CPU_CS is
finally deasserted. During continued assertion of CPU_CS, CPU_WE and CPU_DATA may be removed.
CPU_CLK
CPU_ADDR[23:2]
CPU_CS
CPU_OE
CPU_WE
CPU_TS_ALE
CPU_DATA[31:0]
CPU_TA
NOTE 2: CPU_TS_ALE is no more than one clock cycle width and it can be delayed by one clock cycle from
CS assertion.
NOTE 3:The CPU_TA maximum assertion time is 4
μs.
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