參數(shù)資料
型號: MPC8377ECVRANGA
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, MICROPROCESSOR, PBGA689
封裝: 31 X 31 MM, 2.46 MM HEIGHT, 1 MM PITCH, LEAD FREE, PLASTIC, BGA-689
文件頁數(shù): 39/124頁
文件大?。?/td> 1462K
代理商: MPC8377ECVRANGA
MPC8377E PowerQUICC II Pro Processor Hardware Specifications, Rev. 2
Freescale Semiconductor
21
DUART
Figure 5 shows the DDR1 and DDR2 SDRAM output timing diagram.
Figure 5. DDR1 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
MPC8377E.
7.1
DUART DC Electrical Characteristics
Table 21 provides the DC electrical characteristics for the DUART interface of the device.
Table 21. DUART DC Electrical Characteristics
Parameter
Symbol
Min
Max
Unit
High-level input voltage
VIH
2OVDD + 0.3
V
Low-level input voltage OVDD
VIL
–0.3
0.8
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
Output
Z0 = 50 Ω
RL = 50 Ω
GVDD/2
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