STM32L151VBT6 STMicroelectronics, STM32L151VBT6 Datasheet - Page 77

• Manufacturer Part Number: STM32L151VBT6
• Description: MCU ARM 128KB FLASH 100LQFP
• Manufacturer: STMicroelectronics
• Series: STM32r

Specifications of STM32L151VBT6

• Core Processor: ARM® Cortex-M3™
• Core Size: 32-Bit
• Speed: 32MHz
• Connectivity: I²C, IrDA, LIN, SPI, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
• Number Of I /o: 83
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Eeprom Size: -
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 1.65 V ~ 3.6 V
• Data Converters: A/D 24x12b; D/A 2x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-LFQFP
• Processor Series: STM32L151
• Core: ARM Cortex M3
• Data Bus Width: 32 bit
• Data Ram Size: 16 KB
• Interface Type: I2C, SPI, USART
• Maximum Clock Frequency: 32 MHz
• Number Of Programmable I/os: 80
• Number Of Timers: 6
• Operating Supply Voltage: 1.8 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-11195

STM32L151xx, STM32L152xx
6.3.13
Figure 19. Recommended NRST pin protection
1. The reset network protects the device against parasitic resets.
2. The user must ensure that the level on the NRST pin can go below the V
TIM timer characteristics
The parameters given in the following table are guaranteed by design.
Refer to
function characteristics (output compare, input capture, external clock, PWM output).
Table 41.
1. TIMx is used as a general term to refer to the TIM1, TIM2, TIM3 and TIM4 timers.
t
MAX_COUNT
t
COUNTER
Symbol
Table
t
Res
res(TIM)
f
EXT
TIM
40. Otherwise the reset will not be taken into account by the device.
Section 6.3.11: I/O port characteristics
TIMx
Timer resolution time
Timer external clock
frequency on CH1 to CH4
Timer resolution
16-bit counter clock period
when internal clock is
selected (timer’s prescaler
disabled)
Maximum possible count
(1)
characteristics
Parameter
Doc ID 17659 Rev 4
f
f
TIMxCLK
f
f
TIMxCLK
TIMxCLK
TIMxCLK
Conditions
= 32 MHz
= 32 MHz
= 32 MHz 0.0312
= 32 MHz
for details on the input/output alternate
31.25
Min
1
0
0
1
IL(NRST)
Electrical characteristics
65536 × 65536
max level specified in
f
TIMxCLK
65536
134.2
2048
Max
16
16
/2
t
t
t
TIMxCLK
TIMxCLK
TIMxCLK
MHz
MHz
Unit
77/107
ns
bit
µs
s