Infineon XC800 Series, Руководство пользователя

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AP08056
Power Saving Features
Reducing Clock Speed (Slow-Down Mode)
Application Note 11 V1.0, 2006-12
Figure 3 Graphical representation of the X and Y series in Table 5
Table 5 Current comparison between slow-down mode and slow-down-idle
mode of a XC886 device
f
SYS
= 97.50 MHz Current (mA)
Peripheral
1)
Frequency (MHz)
1) Peripheral frequency = f
SYS
/CLKREL/Fixed divider of 2 (refer to user’s manual on Clock System)
CLKREL Slow-Down
(X)
Slow-Down-
Idle (Y)
Difference
X - Y
24.375 0000
B
23.46 20.02 3.44
12.188 0010
B
14.87 13.05 1.82
6.0941 0100
B
10.43 9.45 0.98
3.047 0110
B
8.19 7.65 0.54
1.523 1000
B
7.07 6.74 0.33
0.762 1010
B
6.50 6.29 0.21
0.381 1100
B
6.22 6.06 0.16
0.190 1110
B
6.08 5.95 0.13
0.127 1111
B
6.03 5.91 0.12
0
5
10
15
20
25
24.375 12.188 6.094 3.047 1.523 0.762 0.381 0.190 0.127
Peripheral Clock Frequency (MHz) - XC886
C
u
rre
n
t (
m
A
)
X Y