MCF548x ColdFire Microprocessor, Rev. 4 Freescale Semiconductor 21 Figur" />
參數資料
型號: MCF5485CZP200
廠商: Freescale Semiconductor
文件頁數: 14/34頁
文件大?。?/td> 0K
描述: IC MPU 32BIT COLDF 388-PBGA
標準包裝: 40
系列: MCF548x
核心處理器: Coldfire V4E
芯體尺寸: 32-位
速度: 200MHz
連通性: CAN,EBI/EMI,以太網,I²C,SPI,UART/USART,USB
外圍設備: DMA,PWM,WDT
輸入/輸出數: 99
程序存儲器類型: ROMless
RAM 容量: 32K x 8
電壓 - 電源 (Vcc/Vdd): 1.43 V ~ 1.58 V
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 388-BBGA
包裝: 托盤
PCI Bus
MCF548x ColdFire Microprocessor, Rev. 4
Freescale Semiconductor
21
Figure 17. DDR Read Timing
10
PCI Bus
The PCI bus on the MCF548x is PCI 2.2 compliant. The following timing numbers are mostly from the PCI 2.2 spec. Please
refer to the PCI 2.2 spec for a more detailed timing analysis.
Table 14. PCI Timing Specifications
Num
Characteristic
Min
Max
Unit
Notes
Frequency of Operation
25
50
MHz
1
P1
Clock Period (tCK)20
40
ns
2
P2
Address, Data, and Command (33
< PCI ≤ 50 Mhz)—Input Setup (t
IS)3.0
ns
P3
Address, Data, and Command (0
< PCI ≤ 33 Mhz)—Input Setup (t
IS)7.0
ns
P4
Address, Data, and Command (33–50 Mhz)—Output Valid (tDV)—
6.0
ns
3
P5
Address, Data, and Command (0–33 Mhz) - Output Valid (tDV)
11.0
ns
P6
PCI signals (0–50 Mhz) - Output Hold (tDH)0
ns
4
SDCLK0
SDCLK1
SDCSn,SDWE,
SDDQS
SDDATA
SDADDR,
RAS, CAS
SDBA[1:0]
CMD
ROW
DD1
DD5
DD4
WD1 WD2 WD3 WD4
SDDQS
DD9
SDCLK0
SDCLK1
DD3
DD2
SDDATA
WD1 WD2 WD3 WD4
DD10
CL=2
CL=2.5
COL
DQS Read
Preamble
DQS Read
Postamble
DQS Read
Preamble
DQS Read
Postamble
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