
7540 Group User
’
s Manual
3-35
APPENDIX
3.2 Typical characteristics
0.0
0.5
1.0
1.5
2.0
2.5
2
3
4
5
6
7
8
0
1
2
3
4
2
3
4
5
6
7
8
0
1
2
3
4
5
1
2
3
4
5
6
Fig. 3.2.10 f(X
IN
)-I
CC
characteristics (in double-speed mode: Mask ROM version)
Measuring condition: When system is operating in double-speed mode (A-D conversion not executed),
Ta = 25
°
C, Ceramic oscillation
P
Oscillation frequency f(X
IN
) [MHz]
V
CC
= 5.0 V
V
CC
= 3.0 V
Fig. 3.2.11 f(X
IN
)-I
CC
characteristics (in high-speed mode: Mask ROM version)
Measuring condition: When system is operating in high-speed mode (A-D conversion not executed),
Ta = 25
°
C, Ceramic oscillation
P
Oscillation frequency f(X
IN
) [MHz]
Fig. 3.2.12 f(X
IN
)-I
CC
characteristics (in middle-speed mode: Mask ROM version)
Measuring condition: When system is operating in middle-speed mode (A-D conversion not executed),
Ta = 25
°
C, Ceramic oscillation
P
Oscillation frequency f(X
IN
) [MHz]
V
CC
= 5.0 V
V
CC
= 3.0 V
V
CC
= 5.0 V
V
CC
= 3.0 V
(2) Power source current characteristic example (f(X
IN
)-I
CC
characteristics)