STM32F373VC datasheet(105/131 Pages) STMICROELECTRONICS

105 / 131 page

DocID022691 Rev 4

105/131

STM32F37xxx

Electrical characteristics

114

6.3.21

VBAT monitoring characteristics

6.3.22

Timer characteristics

The parameters given in Table 68 are guaranteed by design.

Refer to Section 6.3.14: I/O port characteristics for details on the input/output alternate

function characteristics (output compare, input capture, external clock, PWM output).

Table 67. VBAT monitoring characteristics

Symbol

Parameter

Min

Typ

Max

Unit

Resistor bridge for VBAT

-50-

Ratio on VBAT measurement

Er(1)

1. Guaranteed by design, not tested in production.

Error on Q

-1

TS_vbat(2)

2. Shortest sampling time can be determined in the application by multiple iterations.

ADC sampling time when reading the VBAT

1mV accuracy

µs

Table 68. TIMx(1) (2)characteristics

1. TIMx is used as a general term to refer to the TIM2, TIM3, TIM4, TIM5, TIM6, TIM7, TIM12, TIM13, TIM14,

TIM15, TIM16 , TIM17, TIM18 and TIM19 timers.

2. Data based on characterization results, not tested in production.

Symbol

Parameter

Conditions

Min

Max

Unit

tres(TIM)

Timer resolution time

tTIMxCLK

fTIMxCLK = 72 MHz

13.9

fEXT

Timer external clock

frequency on CH1 to CH4

0fTIMxCLK/2

MHz

fTIMxCLK = 72 MHz

MHz

ResTIM

Timer resolution

TIMx (except

TIM2)

-16

bit

TIM2

tCOUNTER 16-bit counter clock period

65536

tTIMxCLK

fTIMxCLK = 72 MHz 0.0139

910

µs

tMAX_COUN

Maximum possible count

with 32-bit counter

65536 × 65536

tTIMxCLK

fTIMxCLK = 72 MHz

59.65

Table 69. IWDG min/max timeout period at 40 kHz (LSI) (1)(2)

Prescaler divider

PR[2:0] bits

Min timeout (ms) RL[11:0]=

0x000

Max timeout (ms) RL[11:0]=

0xFFF

0.1

409.6

0.2

819.2

/16

0.4

1638.4

STM32F373VC 数据表(PDF) 105 Page - STMicroelectronics

STM32F373VC 数据表(HTML) 105 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

数据表下载

链接网址

STM32F373VC 数据表(PDF) 105 Page - STMicroelectronics

STM32F373VC 数据表(HTML) 105 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

数据表 下载

链接网址

数据表下载