STM32L152RD STMicroelectronics, STM32L152RD Datasheet - Page 95

• Manufacturer Part Number: STM32L152RD
• Description: Ultra-low-power ARM Cortex-M3 MCU with 384 Kbytes Flash, 32 MHz CPU, LCD, USB, 3xOp-amp
• Manufacturer: STMicroelectronics

Specifications of STM32L152RD

• Operating Power Supply Range: 1.65 V to 3.6 V (without BOR) or 1.8 V to 3.6 V
• 7 Modes: Sleep, Low-power run (11 μA at 32 kHz) , Low-power sleep (4.4 μA), Stop with RTC, Stop (650 nA), Standby with RTC, Standby (300 nA)
• Ultralow Leakage Per I/o: 50 nA max
• Fast Wakeup Time From Stop: 8 μs
• Core: ARM 32-bit Cortex™-M3 CPU
• Dma: 12-channel DMA controller
• 11 Timers: one 32-bit and six 16-bit general-purpose timers, two 16-bit basic timers, two watchdog timers (independent and window)

STM32L151xD, STM32L152xD
Figure 25. I
1. Measurement points are done at CMOS levels: 0.3V
Table 53.
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)
Doc ID 022027 Rev 2
SCL
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 kΩ
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