
Electrical Specifications
MC68HC908QB8 Data Sheet, Rev. 3
218
Freescale Semiconductor
Figure 18-9. Typical 5-Volt Run Current
versus Bus Frequency (25C)
Figure 18-10. Typical 3-Volt Run Current
versus Bus Frequency (25C)
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
0
1234
5
6789
BUSFREQUENCY(MHz)
IDD
Internal OSC (No A/D, ESCI, SPI)
Internal OSC all Modulesenabled
Crystal (No A/D)
Crystal All ModulesEnabled
External Reference No A/D
External Reference All modules
enabled
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
01234
5
BUSFREQUENCY(MHz)
IDD
(m
A
)
Internal OSC (No A/D, ESCI, SPI)
Internal OSC all Modules enabled
Crystal (No A/D)
Crystal All Modules Enabled