MK30DN512ZVLK10 Freescale Semiconductor, MK30DN512ZVLK10 Datasheet - Page 915

• Manufacturer Part Number: MK30DN512ZVLK10
• Description: ARM Microcontrollers - MCU KINETIS 512K SLCD
• Manufacturer: Freescale Semiconductor

Specifications of MK30DN512ZVLK10

• Core: ARM Cortex M4
• Processor Series: K30
• Data Bus Width: 32 bit
• Maximum Clock Frequency: 50 MHz
• Program Memory Size: 512 KB
• Data Ram Size: 128 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 1.71 V to 3.6 V
• Operating Temperature Range: - 40 C to + 105 C
• Package / Case: LQFP-80
• Mounting Style: SMD/SMT

36.4.28 Global Time Base (GTB)
The global time base (GTB) is a FTM function that allows the synchronization of
multiple FTM modules on a chip. The following figure shows an example of the GTB
feature used to synchronize two FTM modules. In this case, the FTM A and B channels
can behave as if just one FTM module was used, that is, a global time base.
The GTB functionality is implemented by the GTBEEN and GTBEOUT bits in the
CONF register, the internal input signal gtb_in and the internal output signal gtb_out. The
GTBEEN bit enables gtb_in to control the FTM counter enable signal:
Freescale Semiconductor, Inc.
• If GTBEEN = 0, each one of FTM modules works independently according to their
• If GTBEEN = 1, the FTM counter update is enabled only when gtb_in is 1.
configured mode.
GTBEOUT bit
FTM module A
• If ELSjB and ELSjA bits are different from zero, then the
• If CHjIE = 1, then the channel (j) interrupt is generated
• At the intermediate load neither the channels outputs nor
• It is expected that the intermediate load feature be used
channel (j) output signal is generated according to the
configured output mode. If ELSjB and ELSjA bits are zero,
then the generated signal is not available on channel (j)
output.
when the channel (j) match occurs.
the FTM counter are changed. Software must set the
intermediate load at a safe point in time.
only in combine mode.
Figure 36-258. Global Time Base (GTB) Block Diagram
gtb_out
gtb_in
K30 Sub-Family Reference Manual, Rev. 6, Nov 2011
example glue logic
NOTE
gtb_in
gtb_out
GTBEEN bit
FTM module B
FTM counter
enable logic
Chapter 36 FlexTimer (FTM)
enable
FTM counter
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