Texas Instruments AM1808 - Page 235

PWM
(A)
TZ
t
w(TZ)
t
d(TZ-PWM)HZ
AM1808
www.ti.com SPRS653E –FEBRUARY 2010–REVISED MARCH 2014
6.29.3 Trip-Zone Input Timing
A. PWM refers to all the PWM pins in the device. The state of the PWM pins after TZ is taken high depends on the PWM
recovery software.
Figure 6-79. PWM Hi-Z Characteristics
Table 6-128. Trip-Zone input Timing Requirements
TEST CONDITIONS 1.3V, 1.2V, 1.1V, 1.0V
UNIT
MIN MAX
t
w(TZ)
Pulse duration, TZx input low Asynchronous 1t
c(SCO)
cycles
Synchronous 2t
c(SCO)
cycles
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