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MPC8544E bảng dữ liệu(PDF) 22 Page - Freescale Semiconductor, Inc

tên linh kiện MPC8544E
Giải thích chi tiết về linh kiện  MPC8544E PowerQUICC III Integrated Processor Hardware Specifications
PDF  117 Pages
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nhà sản xuất  FREESCALE [Freescale Semiconductor, Inc]
Trang chủ  http://www.freescale.com
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MPC8544E bảng dữ liệu(HTML) 22 Page - Freescale Semiconductor, Inc

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MPC8544E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 5
22
Freescale Semiconductor
DUART
Figure 5 shows the DDR SDRAM output timing diagram.
Figure 5. DDR and DDR2 SDRAM Output Timing Diagram
Figure 6 provides the AC test load for the DDR bus.
Figure 6. DDR AC Test Load
7DUART
This section describes the DC and AC electrical specifications for the DUART interface of the
MPC8544E.
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
Notes
High-level input voltage
VIH
2OVDD + 0.3
V
—
Low-level input voltage
VIL
–0.3
0.8
V
—
Input current (VIN = 0 V or VIN = VDD)IIN
—±5
μA1
High-level output voltage (OVDD = min, IOH = –2 mA)
VOH
2.4
—
V
—
ADDR/CMD
tDDKHAS, tDDKHCS
tDDKLDS
tDDKHDS
MDQ[x]
MDQS[n]
MCK
MCK
tMCK
tDDKLDX
tDDKHDX
D1
D0
tDDKHAX, tDDKHCX
Write A0
NOOP
tDDKHME
tDDKHMP
tDDKHMH
Output
Z0 = 50 Ω
GVDD/2
RL = 50 Ω



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