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STM32L552CCT3PTR Datasheet(PDF) 269 Page - STMicroelectronics

Part # STM32L552CCT3PTR
Description  Ultra-low-power Arm® Cortex®-M33 32-bit MCUTrustZone®FPU, 165 DMIPS, up to 512 KB Flash memory, 256 KB SRAM, SMPS
PDF  340 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32L552CCT3PTR Datasheet(HTML) 269 Page - STMicroelectronics

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DS12737 Rev 6
269/340
STM32L552xx
Electrical characteristics
307
Table 125. TIMx(1) characteristics
1. TIMx, is used as a general term in which x stands for 1,2,3,4,5,6,7,8,15,16 or 17.
Symbol
Parameter
Conditions
Min
Max
Unit
tres(TIM)
Timer resolution time
-1
-
tTIMxCLK
fTIMxCLK = 110 MHz
8.33
-
ns
fEXT
Timer external clock
frequency on CH1 to
CH4
-0
fTIMxCLK/2
MHz
fTIMxCLK = 110 MHz
0
55
MHz
ResTIM
Timer resolution
TIMx (except TIM2
and TIM5)
-16
bit
TIM2 and TIM5
-
32
tCOUNTER
16-bit counter clock
period
-
1
65536
tTIMxCLK
fTIMxCLK = 110 MHz
0.009
595.78
µs
tMAX_COUNT
Maximum possible
count with 32-bit
counter
-
-
65536 × 65536
tTIMxCLK
fTIMxCLK = 110 MHz
-
39.045
s
Table 126. IWDG min/max timeout period at 32 kHz (LSI)(1)
1. The exact timings still depend on the phasing of the APB interface clock versus the LSI clock so that there
is always a full RC period of uncertainty.
Prescaler divider
PR[2:0] bits
Min timeout RL[11:0]=
0x000
Max timeout RL[11:0]=
0xFFF
Unit
/4
0
0.125
512
ms
/8
1
0.250
1024
/16
2
0.500
2048
/32
3
1.0
4096
/64
4
2.0
8192
/128
5
4.0
16384
/256
6 or 7
8.0
32768
Table 127. WWDG min/max timeout value at 110 MHz (PCLK)
Prescaler
WDGTB
Min timeout value
Max timeout value
Unit
1
0
0.037
2.368
ms
2
1
0.074
4.736
4
2
0.149
9.536
8
3
0.298
19.072



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