STM32L152R8T6 STMicroelectronics, STM32L152R8T6 Datasheet - Page 65

• Manufacturer Part Number: STM32L152R8T6
• Description: MCU ARM 64KB FLASH LCD 64LQFP
• Manufacturer: STMicroelectronics
• Series: STM32r

Specifications of STM32L152R8T6

• Core Processor: ARM® Cortex-M3™
• Core Size: 32-Bit
• Speed: 32MHz
• Connectivity: I²C, IrDA, LIN, SPI, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, DMA, I²S, LCD, POR, PWM, WDT
• Number Of I /o: 51
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Eeprom Size: -
• Ram Size: 10K x 8
• Voltage - Supply (vcc/vdd): 1.65 V ~ 3.6 V
• Data Converters: A/D 20x12b; D/A 2x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-LFQFP
• Core: ARM Cortex M3
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-11198

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. 1.65
2. The trimming step differs depending on the trimming code. It is usually negative on the codes which are
3. Based on characterization, not tested in production
Low-speed internal (LSI) RC oscillator
Table 27.
1. V
2. Based on characterization, not tested in production.
3. This is a deviation for an individual part, once the initial frequency has been measured.
4. Guaranteed by design, not tested in production.
ACC
t
I
DD(HSI)
Symbol
SU(HSI)
I
t
Symbol
DD(LSI)
TRIM
su(LSI)
multiples of 16 (0x00, 0x10, 0x20, 0x30...0xE0).
D
f
f
LSI
DD
HSI
LSI
HSI
(2)
(2)
= 1.8 V to 3.0 V, T
(3)

(3)
(3)
(3)
(4)
(4)
V
DD
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
3.6 V, T
Parameter
DD
A
A
A
 85°C
= -40 to 105 °C unless otherwise specified
supply voltage conditions summarized in
= -40 to 105 °C unless otherwise specified.
Table 26
Parameter
Doc ID 17659 Rev 4
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
(1)
(1)
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
Min
-1.5
-2.5
-1
-2
-4
-4
9.
0.4
Typ
100
200
3.7
16
Max
510
56
4
(4)
1.5
Max
140
0.7
1.5
1
2
2
2
3
6
Unit
kHz
nA
65/107
µs
%
MHz
Unit
µA
µs
%
%
%
%
%
%
%
%