STM32L151C8U6 STMicroelectronics, STM32L151C8U6 Datasheet - Page 79

• Manufacturer Part Number: STM32L151C8U6
• Description: Microcontrollers (MCU) 32-Bit Arm Cortex M3 64kb UltralowPower
• Manufacturer: STMicroelectronics
• Series: STM32r

Specifications of STM32L151C8U6

• Core: ARM Cortex M3
• 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: 64KB (64K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 10K 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: Details

STM32L151xx, STM32L152xx
Figure 20. I
1. Measurement points are done at CMOS levels: 0.3V
Table 43.
1. R
2. For speeds around 200 kHz, the tolerance on the achieved speed is of 5%. For other speed ranges, the
tolerance on the achieved speed is 2%. These variations depend on the accuracy of the external
components used to design the application.
P
= External pull-up resistance, f
SCL frequency (f
2
C bus AC waveforms and measurement circuit
f
SCL
400
300
200
100
50
20
(kHz)
SCL
Doc ID 17659 Rev 4
PCLK1
= I
2
C speed.
= 32 MHz, V
DD
and 0.7V
DD
= 3.3 V)
DD
.
(1)(2)
I2C_CCR value
R
P
Electrical characteristics
0x801B
0x00A0
0x8024
0x8035
0x0140
0x0320
= 4.7 k
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