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| MC908GZ60CFUE Datasheet, PDF (260/352 Pages) Freescale Semiconductor, Inc – Standard features, Features of the CPU08 | |||
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Timebase Module (TBM)
TMBCLKSEL
FROM CONFIG2
CGMXCLK
FROM CGM MODULE
DIVIDE BY 128
PRESCALER
÷2 ÷2 ÷2
÷2
÷2
÷2
÷2
0
TBMCLK
1
TBON
TBMINT
÷2 ÷2 ÷2 ÷2
÷2 ÷2
÷2 ÷2
TBIF
TBIE
000
R
001
010
011
100
101
110
111
Figure 17-1. Timebase Block Diagram
17.5 TBM Interrupt Rate
The interrupt rate is determined by the equation:
tTBMRATE =
Divider
fCGMXCLK
where:
fCGMXCLK =Frequency supplied from the clock generator (CGM) module
Divider = Divider value as determined by TBR2âTBR0 settings and TMBCLKSEL, see Table 17-1
MC68HC908GZ60 ⢠MC68HC908GZ48 ⢠MC68HC908GZ32 Data Sheet, Rev. 6
260
Freescale Semiconductor
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