STM32L151VD STMicroelectronics, STM32L151VD Datasheet - Page 93

• Manufacturer Part Number: STM32L151VD
• Description: Ultra-low-power ARM Cortex-M3 MCU with 384 Kbytes Flash, 32 MHz CPU, LCD, USB, 3xOp-amp
• Manufacturer: STMicroelectronics

Specifications of STM32L151VD

• 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
6.3.15
Figure 24. Recommended NRST pin protection
1. The reset network protects the device against parasitic resets.
2. The user must ensure that the level on the NRST pin can go below the V
TIM timer characteristics
The parameters given in the following table are guaranteed by design.
Refer to
alternate function characteristics (output compare, input capture, external clock, PWM
output).
Table 51.
1. TIMx is used as a general term to refer to the TIM2, TIM3 and TIM4 timers.
t
MAX_COUNT
t
COUNTER
Symbol
Table
t
Res
res(TIM)
f
EXT
TIM
50. Otherwise the reset will not be taken into account by the device.
Section 6.3.12: I/O current injection characteristics
TIMx
Timer resolution time
Timer external clock
frequency on CH1 to CH4
Timer resolution
16-bit counter clock period
when internal clock is
selected (timer’s prescaler
disabled)
Maximum possible count
(1)
characteristics
Parameter
Doc ID 022027 Rev 2
f
f
TIMxCLK
f
f
TIMxCLK
TIMxCLK
TIMxCLK
Conditions
= 32 MHz
= 32 MHz
= 32 MHz 0.0312
= 32 MHz
31.25
Min
for details on the input/output
1
0
0
1
IL(NRST)
Electrical characteristics
65536 × 65536
max level specified in
f
TIMxCLK
65536
134.2
2048
Max
16
16
/2
t
t
t
TIMxCLK
TIMxCLK
TIMxCLK
MHz
MHz
Unit
93/121
ns
bit
µs
s