參數(shù)資料
型號(hào): MPC8349ECVVAGDB
廠商: Freescale Semiconductor
文件頁(yè)數(shù): 14/87頁(yè)
文件大?。?/td> 0K
描述: IC MPU POWERQUICC II 672-TBGA
標(biāo)準(zhǔn)包裝: 24
系列: MPC83xx
處理器類型: 32-位 MPC83xx PowerQUICC II Pro
速度: 400MHz
電壓: 1.2V
安裝類型: 表面貼裝
封裝/外殼: 672-LBGA
供應(yīng)商設(shè)備封裝: 672-TBGA(35x35)
包裝: 托盤
配用: MPC8349E-MITX-GP-ND - KIT REFERENCE PLATFORM MPC8349E
MPC8349E-MITXE-ND - BOARD REFERENCE FOR MPC8349
MPC8349EA-MDS-PB-ND - KIT MODULAR DEV SYSTEM MPC8349E
MPC8349EA PowerQUICC II Pro Integrated Host Processor Hardware Specifications, Rev. 13
Freescale Semiconductor
21
DUART
Figure 7 shows the DDR SDRAM output timing diagram.
Figure 7. DDR SDRAM Output Timing Diagram
Figure 8 provides the AC test load for the DDR bus.
Figure 8. DDR AC Test Load
7DUART
This section describes the DC and AC electrical specifications for the DUART interface of the
MPC8349EA.
7.1
DUART DC Electrical Characteristics
Table 21 provides the DC electrical characteristics for the DUART interface of the MPC8349EA.
Table 21. DUART DC Electrical Characteristics
Parameter
Symbol
Min
Max
Unit
High-level input voltage
VIH
2OVDD + 0.3
V
Low-level input voltage
VIL
–0.3
0.8
V
Input current (0.8 V
≤ V
IN ≤ 2 V)
IIN
—±5
μA
ADDR/CMD/MODT
tDDKHMH
tDDKLDS
tDDKHDS
MDQ[x]
MDQS[n]
MCK[n]
tMCK
tDDKLDX
tDDKHDX
D1
D0
tDDKHAX,tDDKHCX
Write A0
NOOP
tDDKHMP
tDDKHAS,tDDKHCS
tDDKHME
Output
Z0 = 50 Ω
RL = 50 Ω
GVDD/2
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