STM32F103C4H6ATR STMICROELECTRONICS [STMicroelectronics], STM32F103C4H6ATR Datasheet - Page 53

• Manufacturer Part Number: STM32F103C4H6ATR
• Description: Low-density performance line, ARM-based 32-bit MCU with 16 or 32 KB Flash, USB, CAN, 6 timers, 2 ADCs, 6 communication interfaces
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Output driving current
The GPIOs (general purpose input/outputs) can sink or source up to +/-8 mA, and sink
+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 35.
1. The I
2. The I
3. Based on characterization data, not tested in production.
V
V
Symbol
V
V
V
V
V
V
OH
OH
OL
OL
OH
OL
OH
and the sum of I
Table 7
OL
(1)(3)
(1)(3)
(2)(3)
(2)(3)
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)
(2)
(1)
(2)
9. All I/Os are CMOS and TTL compliant.
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
and the sum of I
(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 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 voltage characteristics
Table
Table
IO
(I/O ports and control pins) must not exceed I
7).
7).
IO
Parameter
(I/O ports and control pins) must not exceed I
OL
).
Doc ID 15060 Rev 3
SS
DD,
cannot exceed the absolute maximum rating
DD
cannot exceed the absolute maximum rating
2.7 V < V
2.7 V < V
2.7 V < V
supply voltage conditions summarized in
2 V < V
Section
I
Conditions
I
IO
I
CMOS port
I
Table 35
IO
IO
IO
TTL port
SS
= +20 mA
= +8 mA
= +6 mA
VSS
=+ 8mA
DD
DD
DD
DD
plus the maximum Run
DD,
.
5.2:
< 2.7 V
< 3.6 V
< 3.6 V
< 3.6 V
plus the maximum Run
VDD
are derived from tests
.
V
V
V
DD
DD
DD
Min
2.4
–0.4
–1.3
–0.4
Max
0.4
0.4
1.3
0.4
Table 7
Unit
53/80
V
V
V
V