STM32F051R4T6TR STMicroelectronics, STM32F051R4T6TR Datasheet - Page 72

• Manufacturer Part Number: STM32F051R4T6TR
• Description: ARM Microcontrollers - MCU ARM Cortex M0 16kB 48 MHz CPU 8kB Flash
• Manufacturer: STMicroelectronics

Specifications of STM32F051R4T6TR

• Rohs: yes

STM32F051x
Output driving current
The GPIOs (general purpose input/outputs) can sink or source up to +/-8 mA, and sink or
source up to +/- 20 mA (with a relaxed V
In the user application, the number of I/O pins which can drive current must be limited to
respect the absolute maximum rating specified in
●
●
Output voltage levels
Unless otherwise specified, the parameters given in
performed under ambient temperature and V
Table
Table 51.
1. The I
2. TTL and CMOS outputs are compatible with JEDEC standards JESD36 and JESD52.
3. The I
4. Data based on characterization results, not tested in production.
V
V
Symbol
V
V
V
V
V
V
V
OH
OH
OL
OL
OLFM+
OH
OL
OH
and the sum of I
Table 18
OL
(1)(4)
(1)(4)
(3)(4)
(3)(4)
The sum of the currents sourced by all the I/Os on V
consumption of the MCU sourced on V
I
The sum of the currents sunk by all the I/Os on V
consumption of the MCU sunk on V
I
VDD
VSS
(1)
(3)
(1)
(3)
20. All I/Os are CMOS and TTL compliant (FT, TTa or TC unless otherwise specified).
IO
IO
current sunk by the device must always respect the absolute maximum rating specified in
current sourced by the device must always respect the absolute maximum rating specified in
(see
(see
Output low level voltage for an I/O pin
when 8 pins are sunk at same time
Output high level voltage for an I/O pin
when 8 pins are sourced at same time
Output low level voltage for an I/O pin
when 8 pins are sunk at same time
Output high level voltage for an I/O pin
when 8 pins are sourced at same time
Output low level voltage for an I/O pin
when 5 pins are sunk at same time
Output high level voltage for an I/O pin
when 5 pins are sourced at same time
Output low level voltage for an I/O pin
when 8 pins are sunk at same time
Output high level voltage for an I/O pin
when 8 pins are sourced at same time
Output low level voltage for an FTf I/O
pin in FM+ mode
and the sum of I
Output voltage characteristics
Table
Table
IO
(I/O ports and control pins) must not exceed I
18).
18).
Parameter
IO
(I/O ports and control pins) must not exceed I
Doc ID 022265 Rev 3
OL/
SS
V
DD,
cannot exceed the absolute maximum rating
OH
DD
cannot exceed the absolute maximum rating
).
supply voltage conditions summarized in
2.7 V < V
2.7 V < V
2.7 V < V
2.7 V < V
2 V < V
Section
CMOS port
I
I
Conditions
I
IO
I
IO
I
TTL port
Table 51
IO
IO
IO
SS
= +20 mA
= +20 mA
= +8 mA
= +6 mA
VSS
=+ 8mA
DD
DD
DD
DD
DD
plus the maximum Run
DD,
.
6.2:
< 2.7 V
< 3.6 V
< 3.6 V
< 3.6 V
< 3.6 V
(2)
plus the maximum Run
(2)
are derived from tests
VDD
Electrical characteristics
.
V
V
V
DD
DD
DD
Min
2.4
-
-
-
-
-
–0.4
–1.3
–0.4
Max
0.4
0.4
1.3
0.4
0.4
Table 18
-
-
-
-
73/105
Unit
V
V
V
V
V