MB91F587LD datasheet(127/177 Pages) SPANSION

tên linh kiện	MB91F587LD

Giải thích chi tiết về linh kiện	This document states the current technical specifications regarding

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MB91F587LA_DS705-00012-2v0-E, August 22, 2014

CONFIDENTIAL

4. AC characteristics

(1) Main Clock Timing

(TA: Recommended operating conditions, VCC =5.0V±10%, VSS=AVSS=0.0V)

Parameter

Symbol

name Conditions

Value

Unit

Remarks

Min Typ Max

Source oscillation

clock frequency

X0, X1

MHz

Source oscillation

clock cycle time

tCYL

X0, X1

250

Internal operating

clock frequency*

FCP

128 MHz CPU clock

FCPP

MHz Peripheral bus clock

FCPT

MHz External bus clocks

Internal operating

clock cycle time*

tCP

7.82

CPU clock

tCPP

Peripheral bus clock

tCPT

External bus clocks

CAN PLL jitter

(during lock)

tPJ

-10

+10

Built-in CR

oscillation frequency

FCCR

50 100 150

kHz

*: The maximum/minimum value is defined when using the main clock and PLL clock.

•

X0,X1 clock timing

t CYL

•

CAN PLL jitter

tn-1

Deviation time from the ideal clock is assured per cycle out of 20, 000 cycles.

Ideal clock

PLL output

Slow

Fast

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