Datasheet

Electrical characteristics STM32F334x4 STM32F334x6 STM32F334x8
82/121 DocID025409 Rev 8
t
LAT(AEEV)
Analog external event
response latency
Propagation delay from COMPx_INP
input pin to HRTIM_CHxy output pin
(30pF load)
(4)
-81 94 ns
t
W(FLT)
Minimum external event
pulse width
- 12.5 - - ns
T
JIT(EEV)
External event response
jitter
Jitter of the delay from HRTIM1_EEVx
digital input or COMPx_INP to
HRTIM_CHxy output pin
-- 1t
HRTIM
(5)
T
JIT(PW)
Jitter on output pulse
width in response to an
external event
---0t
HRTIM
(5)
1. EExFAST bit in HRTIM_EECR1 or HRTIM_EECR2 register is cleared (synchronous mode). External event filtering is
disabled, i.e. EExF[3:0]=0000 in HRTIM_EECR2 register. Refer to Latency to external events paragraph in HRTIM section
of RM0364.
2. Data based on characterization results, not tested in production.
3. This parameter does not take into account latency introduced by GPIO or comparator. Refer to DEERL or SACRL
parameter for complete latency.
4. This parameter is given for f
HRTIM
= 144 MHz.
5. T
HRTIM
= 1 / f
HRTIM
with f
HRTIM
= 144 MHz or f
HRTIM
= 128 MHZ depending on the clock controller configuration. (Refer to
Reset and clock control section in RM0364.)
Table 57. HRTIM output response to external events 1 to 10 (Synchronous mode
(1)
) (continued)
Symbol Parameter Conditions Min. Typ. Max.
(2)
Unit
Table 58. HRTIM synchronization input / output
(1)
1. Guaranteed by design, not tested in production.
Symbol Parameter Conditions Min. Typ. Max. Unit
t
W(SYNCIN)
Minimum pulse width
on SYNCIN inputs,
including
HRTIM1_SCIN
-2--t
HRTIM
t
LAT(DF)
Response time to
external
synchronization
request
---1t
HRTIM
t
LAT(AF)
Pulse width on
HRTIM1_SCOUT
output
--16-t
HRTIM
f
HRTIM
=144 MHz - 111.1 - ns
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