參數(shù)資料
型號(hào): MPC8248VRTMFX
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 400 MHz, RISC PROCESSOR, PBGA516
封裝: 27 X 27 MM, 2.25 MM HEIGHT, 1 MM PITCH, LEAD FREE, PLASTIC, MS-034AAL-1, BGA-516
文件頁數(shù): 14/60頁
文件大?。?/td> 918K
代理商: MPC8248VRTMFX
MPC8272 PowerQUICC II Family Hardware Specifications, Rev. 1.5
Freescale Semiconductor
21
AC Electrical Characteristics
NOTE
Activating data pipelining (setting BRx[DR] in the memory controller)
improves the AC timing.
Figure 9 shows the interaction of several bus signals.
Figure 9. Bus Signals
CLKin
AACK/TA/TS/
DATA bus normal mode
All other input signals
PSDVAL/TEA/TA output signals
ADD/ADD_atr/BADDR/CI/
DATA bus output signals
All other output signals
sp11
sp12
sp15
sp10
sp30
sp32
sp33
sp35
DBG/BG/BR input signals
GBL/WT output signals
sp31
input signal
ARTRY/TEA input signals
sp11a
sp10
(except AP)
sp10
sp13
DATA bus pipeline mode
input signal
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