STM32L151VC STMicroelectronics, STM32L151VC Datasheet - Page 61

• Manufacturer Part Number: STM32L151VC
• Description: Ultra-low-power ARM Cortex-M3 MCU with 256 Kbytes Flash, 32 MHz CPU, LCD, USB, 3xOp-amp
• Manufacturer: STMicroelectronics

Specifications of STM32L151VC

• 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)

STM32L151xC, STM32L152xC
Low-speed external user clock generated from an external source
The characteristics given in the following table result from tests performed using a low-
speed external clock source, and under ambient temperature and supply voltage conditions
summarized in
Table 24.
1. Guaranteed by design, not tested in production
Figure 11. Low-speed external clock source AC timing diagram
DuCy
Symbol
C
f
t
t
LSE_ext
V
V
t
t
w(LSE)
w(LSE)
IN(LSE)
r(LSE)
f(LSE)
LSEH
LSEL
I
L
(LSE)
User external clock source
frequency
OSC32_IN input pin high level
voltage
OSC32_IN input pin low level
voltage
OSC32_IN high or low time
OSC32_IN rise or fall time
OSC32_IN input capacitance
Duty cycle
OSC32_IN Input leakage current
Low-speed external user clock characteristics
Table
11.
Parameter
Doc ID 022799 Rev 1
V
Conditions
SS
≤ V
IN
≤ V
DD
0.7V
TBD
TBD
Min
V
(1)
1
SS
DD
Electrical characteristics
32.768
Typ
0.6
0.3V
1000
Max
TBD
TBD
V
±1
DD
DD
61/108
Unit
kHz
pF
µA
ns
%
V