參數(shù)資料
型號: MC8641HX1333KC
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: MICROPROCESSOR, CBGA1023
封裝: 33 X 33 MM, CERAMIC, BGA-1023
文件頁數(shù): 83/140頁
文件大小: 1484K
代理商: MC8641HX1333KC
MPC8641 and MPC8641D Integrated Host Processor Hardware Specifications, Rev. 0
Freescale Semiconductor
47
Local Bus
Figure 25. Local Bus AC Test Load
Figure 26 to Figure 31 show the local bus signals.
Figure 26. Local Bus Signals (PLL Enabled)
NOTE
PLL bypass mode is recommended when LBIU frequency is at or below
83 MHz. When LBIU operates above 83 Mhz, LBIU PLL is recommended
to be enabled.
Table 42 describes the general timing parameters of the local bus interface at OVDD = 3.3 V with PLL
bypassed.
Output
Z0 = 50 Ω
OVDD/2
RL = 50 Ω
Output Signals:
LA[27:31]/LBCTL/LBCKE/LOE/
LSDA10/LSDWE/LSDRAS/
LSDCAS/LSDDQM[0:3]
tLBKHOV1
tLBKHOV2
tLBKHOV3
LSYNC_IN
Input Signals:
LAD[0:31]/LDP[0:3]
Output (Data) Signals:
LAD[0:31]/LDP[0:3]
Output (Address) Signal:
LAD[0:31]
LALE
tLBIXKH1
tLBIVKH1
tLBIVKH2
tLBIXKH2
tLBKHOX1
tLBKHOZ1
tLBKHOX2
tLBKHOZ2
Input Signal:
LGTA
tLBOTOT
tLBKHOZ2
tLBKHOX2
tLBKHOV4
LUPWAIT
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