STM32L151C6 STMicroelectronics, STM32L151C6 Datasheet - Page 60

• Manufacturer Part Number: STM32L151C6
• Description: Ultra-low-power ARM Cortex-M3 MCU with 32 Kbytes Flash, 32 MHz CPU, LCD, USB
• Manufacturer: STMicroelectronics

Specifications of STM32L151C6

• Operating Power Supply Range: 1.65 V to 3.6 V (without BOR) or 1.8 V to 3.6 V (with BOR option)
• Temperature Range: –40 to 85 °C
• 4 Modes: Sleep, Low-power run (9 μA at 32 kHz), Low-power sleep (4.4 μA),Stop with RTC (1.45 μA), Stop (570 nA), Standby (300 nA)
• Ultralow Leakage Per I/o: 50 nA
• Fast Wakeup From Stop: 8 μs
• Core: ARM 32-bit Cortex™-M3 CPU
• Dma: 7-channel DMA controller, supporting timers, ADC, SPIs, I2Cs and USARTs

Electrical characteristics
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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 23.
1. Guaranteed by design, not tested in production
Figure 14. 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
9.
Parameter
Doc ID 17659 Rev 6
V
Conditions
SS
≤ V
IN
≤ V
DD
0.7V
STM32L151xx, STM32L152xx
TBD
TBD
Min
V
(1)
1
SS
DD
32.768
Typ
0.6
0.3V
1000
Max
TBD
TBD
V
±1
DD
DD
Unit
kHz
pF
µA
ns
%
V