TM64P0_OUT12
5
6
1
2
4
4
3
TM64P0_IN12
OMAP-L137
www.ti.com
SPRS563G – SEPTEMBER 2008 – REVISED JUNE 2014
6.22.1 Timer Electrical Data/Timing
Table 6-88. Timing Requirements for Timer Input
(1) (2)
(see
Figure 6-60
)
No.
PARAMETER
MIN
MAX
UNIT
1
t
c(TM64Px_IN12)
Cycle time, TM64Px_IN12
4P
ns
2
t
w(TINPH)
Pulse duration, TM64Px_IN12 high
0.45C
0.55C
ns
3
t
w(TINPL)
Pulse duration, TM64Px_IN12 low
0.45C
0.55C
ns
4
t
t(TM64Px_IN12)
Transition time, TM64Px_IN12
0.25P or 10
(3)
ns
(1)
P = OSCIN cycle time in ns.
(2)
C = TM64P0_IN12 cycle time in ns. For example, when TM64Px_IN12 frequency is 27 MHz, use C = 37.037 ns
(3)
Whichever is smaller. P = the period of the applied signal. Maintaining transition times as fast as possible is recommended to improve
noise immunity on input signals.
Figure 6-60. Timer Timing
Table 6-89. Switching Characteristics Over Recommended Operating Conditions for Timer Output
(1)
No.
PARAMETER
MIN
MAX
UNIT
5
t
w(TOUTH)
Pulse duration, TM64P0_OUT12 high
4P
ns
6
t
w(TOUTL)
Pulse duration, TM64P0_OUT12 low
4P
ns
(1)
P = OSCIN cycle time in ns. For example, when OSCIN frequency is 27 MHz, use P = 37.037 ns.
Figure 6-61. Timer Timing
Copyright © 2008–2014, Texas Instruments Incorporated
Peripheral Information and Electrical Specifications
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