MPC7447 datasheet(22/60 Pages) FREESCALE

部件名	MPC7447

功能描述	RISC Microprocessor Hardware Specifications

PDF	60 Pages

Scroll/Zoom	100%

制造商	FREESCALE [Freescale Semiconductor, Inc]

网页	http://www.freescale.com

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22 / 60 page

MPC7448 RISC Microprocessor Hardware Specifications, Rev. 4

Freescale Semiconductor

Electrical and Thermal Characteristics

Figure 7 provides the AC test load for TDO and the boundary-scan outputs of the MPC7448.

Figure 7. Alternate AC Test Load for the JTAG Interface

Figure 8 provides the JTAG clock input timing diagram.

Figure 8. JTAG Clock Input Timing Diagram

Figure 9 provides the TRST timing diagram.

Figure 9. TRST Timing Diagram

Figure 10 provides the boundary-scan timing diagram.

Figure 10. Boundary-Scan Timing Diagram

Output

Z0 = 50 Ω

OVDD/2

RL = 50 Ω

VM = Midpoint Voltage (OVDD/2)

tTCLK

tJR

tJF

tJHJL

TCLK

TRST

tTRST

VM = Midpoint Voltage (OVDD/2)

TCK

Boundary

Data Outputs

Data Inputs

Data Outputs

VM = Midpoint Voltage (OVDD/2)

tDXJH

tDVJH

tJLDV

tJLDZ

Input

Data Valid

Output Data Valid

tJLDX

MPC7447 数据表(PDF) 22 Page - Freescale Semiconductor, Inc

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MPC7447 数据表(PDF) 22 Page - Freescale Semiconductor, Inc

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