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MB90347E Datasheet(PDF) 53 Page - Fujitsu Component Limited.

Part No. MB90347E
Description  16-bit Microcontroller
Download  84 Pages
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Maker  FUJITSU [Fujitsu Component Limited.]
Homepage  http://edevice.fujitsu.com/fmd/en/index.html
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MB90347E Datasheet(HTML) 53 Page - Fujitsu Component Limited.

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MB90340E Series
53
4.
AC Characteristics
(1) Clock Timing
(TA
= −40 °C to +105 °C, VCC = 5.0 V ± 10%, fCP ≤ 24 MHz, VSS = AVSS = 0 V)
* : When selecting the PLL clock, the range of clock frequency is limited. Use this product within the range as
mentioned in “Relation between the external clock frequency and machine clock frequency”.
Parameter
Symbol
Pin
Value
Unit
Remarks
Min
Typ
Max
Clock frequency
fC
X0, X1
3
16
MHz
When using an oscillation
circuit
X0, X1
3
24
MHz
When using an external
clock*
fCL
X0A, X1A
32.768
100
kHz
Clock cycle time
tCYL
X0, X1
62.5
333
ns
When using an oscillation
circuit
X0, X1
41.67
333
ns
When using an external
clock
tCYLL
X0A, X1A
10
30.5
µs
Input clock pulse width
PWH, PWL
X0
10
⎯⎯
ns
Duty ratio is about 30
% to
70
%.
PWHL, PWLL
X0A
5
15.2
⎯µs
Input clock rise and fall time
tCR, tCF
X0
⎯⎯
5
ns
When using external clock
Internal operating clock
frequency (machine clock)
fCP
1.5
24
MHz
When using main clock
fCPL
⎯⎯
8.192
50
kHz
When using sub clock
Internal operating clock
cycle time (machine clock)
tCP
41.67
666
ns
When using main clock
tCPL
20
122.1
⎯µs
When using sub clock
X0
tCYL
tCF
tCR
0.8 VCC
0.2 VCC
PWH
PWL
X0A
tCYLL
tCF
tCR
0.8 VCC
0.2 VCC
PWHL
PWLL
Clock Timing


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