MPC7457EC Ver la hoja de datos (PDF) - Freescale Semiconductor

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componentes Descripción

Fabricante

MPC7457EC

RISC Microprocessor

Freescale Semiconductor 

Electrical and Thermal Characteristics

Figure 5 provides the mode select input timing diagram for the MPC7457.

SYSCLK

VM

VM

HRESET

Mode Signals

1st Sample

VM = Midpoint Voltage (OVDD/2)

2nd Sample

Figure 5. Mode Input Timing Diagram

Figure 6 provides the input/output timing diagram for the MPC7457.

SYSCLK

VM

All Inputs

All Outputs

(Except TS,

ARTRY, SHD0, SHD1)

All Outputs

(Except TS,

ARTRY, SHD0, SHD1)

tKHOE

tAVKH

tIVKH

tMVKH

tKHAV

tKHDV

tKHOV

tKHTSV

TS

VM

tAXKH

tIXKH

tMXKH

tKHAX

tKHDX

tKHOX

tKHOZ

tKHTSPZ

tKHTSV

tKHTSX

ARTRY,

SHD0,

SHD1

tKHARV

tKHARP

tKHARX

VM = Midpoint Voltage (OVDD/2)

Figure 6. Input/Output Timing Diagram

VM

tKHARPZ

MPC7457 RISC Microprocessor Hardware Specifications, Rev. 8

Freescale Semiconductor

21

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