Datasheet

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STM32F765xx STM32F767xx STM32F768Ax STM32F769xx Electrical characteristics
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5.3.22 TIM timer characteristics
The parameters given in Table 70 are guaranteed by design.
Refer to Section 5.3.20: I/O port characteristics for details on the input/output alternate
function characteristics (output compare, input capture, external clock, PWM output).
5.3.23 RTC characteristics
5.3.24 12-bit ADC characteristics
Unless otherwise specified, the parameters given in Table 72 are derived from tests
performed under the ambient temperature, f
PCLK2
frequency and V
DDA
supply voltage
conditions summarized in
Table 18.
Table 70. TIMx characteristics
(1)(2)
1. TIMx is used as a general term to refer to the TIM1 to TIM12 timers.
2. Guaranteed by design.
Symbol Parameter
Conditions
(3)
3. The maximum timer frequency on APB1 or APB2 is up to 216 MHz, by setting the TIMPRE bit in the
RCC_DCKCFGR register, if APBx prescaler is 1 or 2 or 4, then TIMxCLK = HCLK, otherwise TIMxCLK =
4x PCLKx.
Min Max Unit
t
res(TIM)
Timer resolution time
AHB/APBx prescaler=1
or 2 or 4, f
TIMxCLK
=
216 MHz
1-
t
TIMxCLK
AHB/APBx
prescaler>4, f
TIMxCLK
=
100 MHz
1-
t
TIMxCLK
f
EXT
Timer external clock
frequency on CH1 to CH4
f
TIMxCLK
= 216 MHz
0
f
TIMxCLK
/2
MHz
Res
TIM
Timer resolution - 16/32 bit
t
MAX_COUNT
Maximum possible count
with 32-bit counter
--
65536 ×
65536
t
TIMxCLK
Table 71. RTC characteristics
Symbol Parameter Conditions Min Max
-f
PCLK1
/RTCCLK frequency ratio
Any read/write operation
from/to an RTC register
4-
Table 72. ADC characteristics
Symbol Parameter Conditions Min Typ Max Unit
V
DDA
Power supply
V
DDA
− V
REF+
< 1.2 V
1.7
(1)
-3.6V
V
REF+
Positive reference voltage 1.7
(1)
-V
DDA
V
f
ADC
ADC clock frequency
V
DDA
= 1.7
(1)
to 2.4 V 0.6 15 18 MHz
V
DDA
= 2.4 to 3.6 V 0.6 30 36 MHz
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