STM32L151VD STMicroelectronics, STM32L151VD Datasheet - Page 69

• Manufacturer Part Number: STM32L151VD
• Description: Ultra-low-power ARM Cortex-M3 MCU with 384 Kbytes Flash, 32 MHz CPU, LCD, USB, 3xOp-amp
• Manufacturer: STMicroelectronics

Specifications of STM32L151VD

• Operating Power Supply Range: 1.65 V to 3.6 V (without BOR) or 1.8 V to 3.6 V
• 7 Modes: Sleep, Low-power run (11 μA at 32 kHz) , Low-power sleep (4.4 μA), Stop with RTC, Stop (650 nA), Standby with RTC, Standby (300 nA)
• Ultralow Leakage Per I/o: 50 nA max
• Fast Wakeup Time From Stop: 8 μs
• Core: ARM 32-bit Cortex™-M3 CPU
• Dma: 12-channel DMA controller
• 11 Timers: one 32-bit and six 16-bit general-purpose timers, two 16-bit basic timers, two watchdog timers (independent and window)

STM32L151xD, STM32L152xD
Note:
Caution:
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 14. 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 022027 Rev 2
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
.
L2
/ (C
Electrical characteristics
L
= 6 pF and C
L1
+ C
L2
) + C
stray
Figure
stray
= 2 pF,
where
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14).