STM32L152C6U6 STMicroelectronics, STM32L152C6U6 Datasheet - Page 66

• Manufacturer Part Number: STM32L152C6U6
• Description: ARM Microcontrollers - MCU 32-Bit ARM Cortex 32kb LP LCD MCU
• Manufacturer: STMicroelectronics

Specifications of STM32L152C6U6

• Product Category: ARM Microcontrollers - MCU
• Rohs: yes
• Core: ARM Cortex M3
• Data Bus Width: 32 bit

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 27.
1. Guaranteed by design, not tested in production
Figure 14. Low-speed external clock source AC timing diagram
DuCy
Symbol
C
f
V LSEH
t
t
LSE_ext
V
V
t
V LSEL
t
w(LSE)
w(LSE)
IN(LSE)
r(LSE)
f(LSE)
LSEH
LSEL
I
L
(LSE)
90%
10%
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
EXTER NAL
CLOCK SOURC E
Low-speed external user clock characteristics
Table
t r(LSE)
14.
Parameter
f LSE_ext
Doc ID 17659 Rev 8
T LSE
OSC32_IN
t f(LSE)
V
SS
Conditions
≤ V
IN
STM32L151x6/8/B, STM32L152x6/8/B
≤ V
DD
t W(LSE)
0.7V
I L
STM32Lxx
Min
V
465
45
(1)
1
SS
-
-
-
DD
32.768
Typ
0.6
-
-
-
-
0.3V
1000
Max
V
10
55
±1
t W(LSE)
DD
-
-
DD
ai18233
Unit
kHz
pF
µA
ns
%
V
t