STM32L151CBU6 STMicroelectronics, STM32L151CBU6 Datasheet - Page 42

• Manufacturer Part Number: STM32L151CBU6
• Description: IC MCU 32BIT 128KB FLASH 48QFPN
• Manufacturer: STMicroelectronics
• Series: STM32r

Specifications of STM32L151CBU6

• 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, POR, PWM, WDT
• Number Of I /o: 37
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 3.6 V
• Data Converters: A/D 16x12b, D/A 2x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-UFQFN Exposed Pad
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-11484

Electrical characteristics
6.1.6
Caution:
6.1.7
42/107
Power supply scheme
Figure 12. Power supply scheme
In this figure, the 4.7 µF capacitor must be connected to V
Current consumption measurement
Figure 13. Current consumption measurement scheme
+ 1 µF
10 nF
V DD
11 × 100 nF
+ 1 × 4.7 µF
+ 1 µF
10 nF
V DD
V REF
V DD1/2/.../5
V SS1/2/.../5
GP I/Os
V REF+
V REF-
V DDA
V SSA
Doc ID 17659 Rev 4
I DD
Regulator
ADC
V DD
V DDA
OUT
IN
ai14126b
RCs, PLL,
Logic
Analog:
IO
Standby-power circuitry
DD2
RTC backup registers)
...
STM32L151xx, STM32L152xx
(OSC32K,RTC,
Wake-up logic
.
& Memories)
Kernel logic
(CPU,
Digital
ai15401c