STM32L152RD STMicroelectronics, STM32L152RD Datasheet - Page 92

• 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)

Electrical characteristics
6.3.14
92/121
Figure 23. I/O AC characteristics definition
NRST pin characteristics
The NRST pin input driver uses CMOS technology.
Unless otherwise specified, the parameters given in
performed under ambient temperature and V
Table
Table 50.
1. Guaranteed by design, not tested in production.
2. 200 mV minimum value
3. The pull-up is designed with a true resistance in series with a switchable PMOS. This PMOS contribution to
V
V
V
V
V
V
hys(NRST)
OL(NRST)
NF(NRST)
IH(NRST)
IL(NRST)
Symbol
F(NRST)
the series resistance is around 10%.
R
10.
PU
Maximum frequency is achieved if (t
(1)
(1)
(1)
(1)
(1)
(1)
External
on 50pF
Output
NRST pin characteristics
NRST input low level voltage
NRST input high level voltage
NRST output low level
voltage
NRST Schmitt trigger voltage
hysteresis
Weak pull-up equivalent
resistor
NRST input filtered pulse
NRST input not filtered pulse
t r(I O)out
(3)
Parameter
10%
Doc ID 022027 Rev 2
50%
when loaded by 50 pF
90%
r
+ t
f
)
2/3)T and if the duty cycle is (45-55%)
1.65 V < V
2.7 V < V
T
10%
DD
I
Conditions
OL
I
OL
V
50%
supply voltage conditions summarized in
IN
= 1.5 mA
= 2 mA
=
90%
DD
DD
Table 50
V
t r(I O)out
SS
< 3.6 V
< 2.7 V
STM32L151xD, STM32L152xD
are derived from tests
10%V
Min
V
350
1.4
30
SS
DD
(2)
ai14131
Typ Max Unit
45
V
0.8
0.4
60
50
DD
mV
kΩ
ns
ns
V