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STM32MP151A Folha de dados(PDF) 41 Page - STMicroelectronics

Nome de Peças STM32MP151A
Descrição Electrónicos  Arm® Cortex®-A7 650 MHz Cortex®-M4 MPU, TFT, 35 comm. interfaces, 25 timers, adv. analog
PDF  245 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32MP151A Folha de dados(HTML) 41 Page - STMicroelectronics

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STM32MP151A
Functional overview
54
3.32
Boot and security and OTP control (BSEC)
The BSEC (boot and security and OTP control) is intended to control an OTP (one time
programmable) fuse box, used for embedded non-volatile storage for device configuration
and security parameters. Some part of BSEC should be configured as accessible by secure
software only.
3.33
Timers and watchdogs
The devices include two advanced-control timers, ten general-purpose timers, two basic
timers, five low-power timers, three watchdogs, a SysTick timer in Cortex-M4 and 4 system
timers in Cortex-A7.
All timer counters can be frozen in debug mode.
Table 4 compares the features of the advanced-control, general-purpose, basic and low-
power timers.
Table 4. Timer feature comparison
Timer
type
Timer
Counter
resolution
Counter
type
Prescaler
factor
DMA
request
generation
Capture/
compare
channels
Comple-
mentary
output
Max
interface
clock
(MHz)
Max
timer
clock
(MHz)(1)
Advanced
-control
TIM1,
TIM8
16-bit
Up,
down,
up/down
Any integer
between 1
and 65536
Yes
4
Yes
100
209
General
purpose
TIM2,
TIM5
32-bit
Up,
down,
up/down
Any integer
between 1
and 65536
Yes
4
No
100
209
TIM3,
TIM4
16-bit
Up,
down,
up/down
Any integer
between 1
and 65536
Yes
4
No
100
209
TIM12
16-bit
Up
Any integer
between 1
and 65536
No
2
No
100
209
TIM13,
TIM14
16-bit
Up
Any integer
between 1
and 65536
No
1
No
100
209
TIM15
16-bit
Up
Any integer
between 1
and 65536
Yes
2
1
100
209
TIM16,
TIM17
16-bit
Up
Any integer
between 1
and 65536
Yes
1
1
100
209



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