mb91307r Fujitsu Microelectronics, Inc., mb91307r Datasheet - Page 75

• Manufacturer Part Number: mb91307r
• Description: 32-bit Microcontroller Cmos Fr60 Mb91307 Series
• Manufacturer: Fujitsu Microelectronics, Inc.

4. AC Characteristics
*1 : When using the PLL, the clock frequency should be around 12.5 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
(V
CCI
= 1.65 V to 1.95 V, V
Symbol
P
P
f
t
f
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
⎯
Condi-
tion
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
MB91307 Series
*2
*2
*2
= AV
MHz
MHz
MHz
MHz CPU system
MHz Peripheral system
MHz External bus system
Unit
ns
ns
ns
ns
ns
ns
ns
SS
= 0 V, T
PLL system*
(self oscillation
16.5MHz,multiplied
x4,maximum internal
operation 66MHz)
Self oscillation (x1/2
frequency input)
External clock
CPU system
Peripheral system
External bus system
(t
CR
+ t
A
CF
Remarks
= 0 °C to +70 °C)
)
1
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