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The following figure shows some examples of enabled loading points.
NOTE
(c)
(a) LDOK = 0, CH0SEL = 0, CH1SEL = 0, CH2SEL = 0, CH3SEL = 0, CH4SEL = 0, CH5SEL = 0, CH6SEL = 0, CH7SEL = 0
(b) LDOK = 1, CH0SEL = 0, CH1SEL = 0, CH2SEL = 0, CH3SEL = 0, CH4SEL = 0, CH5SEL = 0, CH6SEL = 0, CH7SEL = 0
(c) LDOK = 0, CH0SEL = 0, CH1SEL = 0, CH2SEL = 0, CH3SEL = 1, CH4SEL = 0, CH5SEL = 0, CH6SEL = 0, CH7SEL = 0
(d) LDOK = 1, CH0SEL = 0, CH1SEL = 0, CH2SEL = 0, CH3SEL = 0, CH4SEL = 0, CH5SEL = 0, CH6SEL = 1, CH7SEL = 0
(e) LDOK = 1, CH0SEL = 1, CH1SEL = 0, CH2SEL = 1, CH3SEL = 0, CH4SEL = 1, CH5SEL = 0, CH6SEL = 1, CH7SEL = 0
(f) LDOK = 1, CH0SEL = 1, CH1SEL = 1, CH2SEL = 1, CH3SEL = 1, CH4SEL = 1, CH5SEL = 1, CH6SEL = 1, CH7SEL = 1
(d)
(e)
(f)
(b)
(a)
FTM counter = MOD
FTM counter = C7V
FTM counter = C6V
FTM counter = C5V
FTM counter = C4V
FTM counter = C3V
FTM counter = C2V
FTM counter = C1V
FTM counter = C0V
Figure 37-257. Loading points for intermediate load
After enabling the loading points, the LDOK bit must be set for the load to occur. In this
case, the load occurs at the next enabled loading point according to the following
conditions:
Table 37-255. Conditions for loads occurring at the next enabled loading point
When a new value was written Then
To the MOD register The MOD register is updated with its write buffer value.
To the CNTIN register and CNTINC = 1 The CNTIN register is updated with its write buffer value.
To the C(n)V register and SYNCENm = 1 – where m indicates
the pair channels (n) and (n+1)
The C(n)V register is updated with its write buffer value.
To the C(n+1)V register and SYNCENm = 1 – where m
indicates the pair channels (n) and (n+1)
The C(n+1)V register is updated with its write buffer value.
Chapter 37 FlexTimer Module (FTM)
K20 Sub-Family Reference Manual, Rev. 1.1, Dec 2012
Freescale Semiconductor, Inc.
Preliminary
959
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