Infineon XC800 Series, Руководство пользователя

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AP08056
Power Saving Features
Reducing Clock Speed (Slow-Down Mode)
Application Note 12 V1.0, 2006-12
Figure 4 Graphical representation of the X and Y series in Table 6
Table 6 Current comparison between slow-down mode and slow-down-idle
mode of a XC888 device
f
SYS
= 96.50 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
24.125 0000
B
23.22 19.82 3.40
12.063 0010
B
14.78 12.91 1.87
6.031 0100
B
10.33 9.36 0.97
3.016 0110
B
8.12 7.58 0.54
1.508 1000
B
7.01 6.68 0.33
0.754 1010
B
6.45 6.24 0.21
0.377 1100
B
6.17 6.01 0.16
0.188 1110
B
6.03 5.90 0.13
0.126 1111
B
5.98 5.86 0.12
0
5
10
15
20
25
24.125 12.063 6.031 3.016 1.508 0.754 0.377 0.188 0.126
Peripheral Clock Frequency (MHz) - XC888
Cu
rr
en
t (
m
A)
X Y