STM32L151VBT6 STMicroelectronics, STM32L151VBT6 Datasheet - Page 64

• 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

Electrical characteristics
Note:
Caution:
64/107
For C
15 pF range selected to match the requirements of the crystal or resonator (see
C
capacitance which is the series combination of C
Load capacitance C
C
between 2 pF and 7 pF.
To avoid exceeding the maximum value of C
to use a resonator with a load capacitance C
capacitance of 12.5 pF.
Example: if you choose a resonator with a load capacitance of C
then C
Figure 17. Typical application with a 32.768 kHz crystal
L1
stray
and C
L1
is the pin capacitance and board or trace PCB-related capacitance. Typically, it is
L1
and C
= C
L2,
L2
are usually the same size. The crystal manufacturer typically specifies a load
L2
= 8 pF.
, it is recommended to use high-quality ceramic capacitors in the 5 pF to
L
has the following formula: C
Doc ID 17659 Rev 4
L1
L
7 pF. Never use a resonator with a load
and C
L1
L
= C
and C
L2
L1
(15 pF) it is strongly recommended
x C
L2
.
STM32L151xx, STM32L152xx
L2
/ (C
L
= 6 pF and C
L1
+ C
L2
) + C
stray
Figure
stray
= 2 pF,
where
17).