FR65E Fujitsu Microelectronics, Inc., FR65E Datasheet - Page 69

• Manufacturer Part Number: FR65E
• Description: 32-bit Microcontroller
• Manufacturer: Fujitsu Microelectronics, Inc.

4. AC Characteristics
*1 : When using the PLL, the clock frequency should be around 12.5 MHz to 16.5 MHz.
*2 : The values shown represent a minimum clock frequency of 12.5 MHz input at the X0 pin, using the oscillator
(1) Clock Timing Standards
Clock frequency (1)
Clock cycle time
Clock frequency (2)
Clock frequency (3)
Clock cycle time
Input clock pulse width
Input clock rise, fall time
Internal operating clock frequency
Internal operating clock cycle time
circuit PLL and a gear ratio of 1/16.
Parameter
Sym-
P
P
bol
f
f
t
t
t
t
f
t
CPP
CPT
CPP
CPT
f
t
f
f
t
CR
CF
CP
CP
WH
C
C
C
C
C
WL
name
Pin
X0
X1
X0
X1
X0
X1
X0
X1
X0
X1
X0
X1
X0
X1
Condition
(V
CC
3.0 V to 3.6 V , V
0.78*
0.78*
0.78*
12.5
15.2
30.3
15.2
Min
10
10
40
16
Value
2
2
2
1280*
1280*
1280*
Max
16.5
60.6
100
33
33
66
33
66
8
SS
2
2
2
Unit
MHz PLL system*
MHz
MHz
MHz CPU system
MHz Peripheral system
MHz External bus system
AV
ns
ns
ns
ns
ns
ns
ns
SS
(self oscillation 16.5MHz,
multiplied x4,maximum
internal operation 66MHz)
Self oscillation (x2
frequency input)
External clock
CPU system
Peripheral system
External bus system
(t
0 V, T
CR
MB91307B
t
CF
A
Remarks
)
0 C to 70 C)
1
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