參數(shù)資料
型號(hào): MPC8308CZQAGD
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 266 MHz, MICROPROCESSOR, PBGA473
封裝: 19 X 19 MM, 0.80 MM PITCH, 1.39 MM HEIGHT, MAPBGA-473
文件頁數(shù): 6/88頁
文件大?。?/td> 2550K
代理商: MPC8308CZQAGD
MPC8308 PowerQUICC II Pro Processor Hardware Specification, Rev. 1
14
Freescale Semiconductor
DUART
Figure 6 shows the DDR2 SDRAM output timing diagram.
Figure 6. DDR2 SDRAM Output Timing Diagram
Figure 7 provides the AC test load for the DDR2 bus.
Figure 7. DDR2 AC Test Load
7DUART
This section describes the DC and AC electrical specifications for the DUART interface.
7.1
DUART DC Electrical Characteristics
Table 19 provides the DC electrical characteristics for the DUART interface.
Table 19. DUART DC Electrical Characteristics
Parameter
Symbol
Min
Max
Unit
High-level input voltage
VIH
2.1
NVDD + 0.3
V
Low-level input voltage NVDD
VIL
–0.3
0.8
V
High-level output voltage, IOH = –100 μAVOH
NVDD – 0.2
V
ADDR/CMD
tDDKHAS ,tDDKHCS
tDDKHMH
tDDKLDS
tDDKHDS
MDQ[x]/
MDQS[n]
MCK[n]
tMCK
tDDKLDX
tDDKHDX
D1
D0
tDDKHAX ,tDDKHCX
Write A0
NOOP
tDDKHME
tDDKHMP
MECC[x]
Output
Z0 = 50 Ω
RL = 50 Ω
GVDD/2
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