STM32L151VB STMicroelectronics, STM32L151VB Datasheet - Page 65

• Manufacturer Part Number: STM32L151VB
• Description: Ultra-low-power ARM Cortex-M3 MCU with 128 Kbytes Flash, 32 MHz CPU, LCD, USB
• Manufacturer: STMicroelectronics

Specifications of STM32L151VB

• 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

STM32L151xx, STM32L152xx
6.3.6
Internal clock source characteristics
The parameters given in
temperature and V
High-speed internal (HSI) RC oscillator
Table 26.
1. The trimming step differs depending on the trimming code. It is usually negative on the codes which are
2. Based on characterization, not tested in production.
3. Tested in production.
Low-speed internal (LSI) RC oscillator
Table 27.
1. Tested in production.
2. This is a deviation for an individual part, once the initial frequency has been measured.
3. Guaranteed by design, not tested in production.
ACC
t
I
TRIM
DD(HSI)
Symbol
SU(HSI)
I
t
Symbol
DD(LSI)
su(LSI)
multiples of 16 (0x00, 0x10, 0x20, 0x30...0xE0).
D
f
f
LSI
HSI
LSI
HSI
(1)(2)
(1)
(2)
(2)
(2)
(2)
(3)
(3)
Frequency
HSI user-trimmed
resolution
Accuracy of the
factory-calibrated
HSI oscillator
HSI oscillator
startup time
HSI oscillator
power consumption
HSI oscillator characteristics
LSI oscillator characteristics
LSI frequency
LSI oscillator frequency drift
0°C ≤ T
LSI oscillator startup time
LSI oscillator power consumption
Parameter
DD
A
≤ 85°C
supply voltage conditions summarized in
Table 26
Parameter
Doc ID 17659 Rev 6
V
Trimming code is not a multiple of 16
Trimming code is a multiple of 16
V
V
V
V
V
V
T
A
DD
DDA
DDA
DDA
DDA
DDA
DDA
= -40 to 105 °C
are derived from tests performed under ambient
= 3.0 V
= 3.0 V, T
= 3.0 V, T
= 3.0 V, T
= 3.0 V, T
= 3.0 V, T
= 1.65 V to 3.6 V
Conditions
A
A
A
A
A
= 25 °C
= 0 to 55 °C
= -10 to 70 °C
= -10 to 85 °C
= -10 to 105 °C
Min
-10
26
Table
Typ
400
38
Electrical characteristics
-1
Min
-1.5
-2.5
-2
-4
-4
(3)
9.
± 0.4
Typ
100
3.7
16
Max
200
510
56
4
± 1.5
Max
140
1
0.7
1.5
2
2
2
3
6
(3)
Unit
kHz
nA
65/109
µs
%
MHz
Unit
µA
µs
%
%
%
%
%
%
%
%