MB9B520M datasheet(66/113 Pages) SPANSION

66 / 113 page

D a t a S h e e t

March 18, 2015, MB9B520M_DS706-00048-3v0-E

CONFIDENTIAL

AC Characteristics

(1) Main Clock Input Characteristics

(VCC = 2.7V to 5.5V, VSS = 0V, TA = - 40°C to + 105°C)

Parameter

Symbol

name

Conditions

Value

Unit

Remarks

Min

Max

Input frequency

fCH

X0,

VCC ≥ 4.5 V

MHz

When crystal oscillator

is connected

VCC < 4.5 V

VCC ≥ 4.5 V

MHz

When using external

Clock

VCC < 4.5 V

Input clock cycle

tCYLH

VCC ≥ 4.5 V

20.83

250

When using external

Clock

VCC < 4.5 V

250

Input clock pulse

width

PWH/tCYLH,

PWL/tCYLH

When using external

Clock

Input clock rising

time and falling

time

tCF,

tCR

When using external

Clock

Internal operating

clock frequency

fCM

MHz

Master clock

fCC

MHz

Base clock

(HCLK/FCLK)

fCP0

MHz

APB0 bus clock*

fCP1

MHz

APB1 bus clock*

fCP2

MHz

APB2 bus clock*

Internal operating

clock cycle time

tCYCC

13.8

Base clock

(HCLK/FCLK)

tCYCP0

APB0 bus clock*

tCYCP1

APB1 bus clock*

tCYCP2

APB2 bus clock*

*1: For more information about each internal operating clock, see "Chapter:Clock" in "FM3 Family

PERIPHERAL MANUAL".

*2: For about each APB bus which each peripheral is connected to, see "Block Diagram" in this data

sheet.

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