參數(shù)資料
型號(hào): MPC8555VTAQDX
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 1000 MHz, RISC PROCESSOR, PBGA783
封裝: 29 X 29 MM, 3.75 MM HEIGHT, 1 MM PITCH, LEAD FREE, FLIP CHIP, PLASTIC, BGA-783
文件頁(yè)數(shù): 46/88頁(yè)
文件大?。?/td> 1244K
代理商: MPC8555VTAQDX
MPC8555E PowerQUICC III Integrated Communications Processor Hardware Specifications, Rev. 4
50
Freescale Semiconductor
JTAG
Figure 31 provides the AC test load for TDO and the boundary-scan outputs of the MPC8555E.
Figure 31. AC Test Load for the JTAG Interface
Figure 32 provides the JTAG clock input timing diagram.
Figure 32. JTAG Clock Input Timing Diagram
Figure 33 provides the TRST timing diagram.
Figure 33. TRST Timing Diagram
Figure 34 provides the boundary-scan timing diagram.
Figure 34. Boundary-Scan Timing Diagram
Output
Z0 = 50 Ω
OVDD/2
RL = 50 Ω
JTAG
tJTKHKL
tJTGR
External Clock
VM
tJTG
tJTGF
VM = Midpoint Voltage (OVDD/2)
TRST
VM = Midpoint Voltage (OVDD/2)
VM
tTRST
VM = Midpoint Voltage (OVDD/2)
VM
tJTDVKH
tJTDXKH
Boundary
Data Outputs
Boundary
Data Outputs
JTAG
External Clock
Boundary
Data Inputs
Output Data Valid
tJTKLDX
tJTKLDZ
tJTKLDV
Input
Data Valid
Output Data Valid
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