STM32L-DISCOVERY STMicroelectronics, STM32L-DISCOVERY Datasheet - Page 23

• Manufacturer Part Number: STM32L-DISCOVERY
• Description: BOARD, EVAL, STM32L-DISCOVERY
• Manufacturer: STMicroelectronics
• Series: STM32r
• Type: MCUr

Specifications of STM32L-DISCOVERY

• Kit Contents: Board, Debugger, Programmer And Compiler
• Features: 128KB Flash Plus Multiple Timers, Analogue Peripherals
• Silicon Manufacturer: ST Micro
• Core Architecture: ARM
• Core Sub-architecture: Cortex - M3
• Silicon Core Number: STM32
• Silicon Family Name: STM32F1xx
• Rohs Compliant: Yes
• Contents: Board
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: STM32L
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

STM32F205xx, STM32F207xx
●
Figure 6.
1. This figure is valid both whatever the internal reset mode (ON or OFF).
In this mode, PA0 cannot be used as a GPIO pin since it allows to reset the part of the
1.2 V logic which is not reset by the NRST pin, when the internal voltage regulator in
OFF.
Regulator OFF/internal reset OFF
On WLCSP66 package, this mode activated by connecting REGOFF to V
IRROFF to V
is available only on the WLCSP package. It allows to supply externally a 1.2 V voltage
source through V
The following conditions must be respected:
–
–
–
Otherwise, PA0 should be asserted low externally during POR until V
1.8 V (see
V
between power domains (see
PA0 should be kept low to cover both conditions: until V
1.08 V, and until V
NRST should be controlled by an external reset controller to keep the device
under reset when V
DD
Startup in regulator OFF: slow V
- power-down reset risen after V
should always be higher than V
DD
. IRROFF cannot be activated in conjunction with REGOFF. This mode
Figure
CAP_1
7).
DD
and V
DD
Doc ID 15818 Rev 6
reaches 1.65 V.
is below 1.65 V (see
CAP_2
Figure
pins, in addition to V
CAP_1
6).
CAP_1
DD
slope
and V
/V
Figure
CAP_2
CAP_2
7).
DD
stabilization
.
to avoid current injection
CAP_1
and V
CAP_2
SS
DD
Description
and
reaches
reach
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