MB9BF412R datasheet(76/121 Pages) SPANSION

76 / 121 page

D a t a S h e e t

March 11, 2015, MB9B410R-DS706-00026-3v0-E

CONFIDENTIAL

AC Characteristics

(1) Main Clock Input Characteristics

(VCC = 2.7V to 5.5V, VSS = 0V, TA = - 40°C to + 85°C)

Parameter

Symbol

name

Conditions

Value

Unit

Remarks

Min

Max

Input frequency

fCH

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 rise

time and fall time

tCF,

tCR

When using external

clock

Internal operating

clock*

1 frequency

fCM

144

MHz

Master clock

fCC

144

MHz

Base clock

(HCLK/FCLK)

fCP0

MHz

APB0 bus clock*

fCP1

MHz

APB1 bus clock*

fCP2

MHz

APB2 bus clock*

Internal operating

clock*

1 cycle time

tCYCC

6.94

Base clock

(HCLK/FCLK)

tCYCP0

13.8

APB0 bus clock*

tCYCP1

13.8

APB1 bus clock*

tCYCP2

13.8

APB2 bus clock*

*1: For more information about each internal operating clock, see "CHAPTER 2-1: 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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