Electrical characteristics
STM32F103xC, STM32F103xD, STM32F103xE
Figure 44. 5 V tolerant I/O input characteristics - CMOS port
6
ꢄ6 ꢉ6ꢋ
)( ),
ꢀꢆꢑꢏ
ꢀ
ꢀꢆꢁꢁ
ꢀꢆꢀꢑ
)NPUT RANGE
NOT GUARANTEED
ꢀꢆꢂꢅ
ꢀꢆꢃꢏ
ꢀꢆꢌ
ꢃꢆꢏ
ꢀꢆꢅꢓꢁ
ꢃꢆꢓꢏꢁ
ꢀ
ꢃꢆꢏꢁ
6
ꢉ6ꢋ
$$
ꢅ
ꢅꢆꢏ
ꢌ
ꢌꢆꢌ
ꢌꢆꢑ
6$$
AIꢀꢏꢅꢏꢓB
Figure 45. 5 V tolerant I/O input characteristics - TTL port
6
ꢄ6 ꢉ6ꢋ
)( ),
44, REQUIREMENT 6 ꢒꢅ6
)(
ꢅꢆꢃ
ꢀꢆꢑꢏ
ꢀ
)NPUT RANGE
NOT GUARANTEED
7)(MIN
7),MAX
ꢃꢆꢐ
ꢃꢆꢏꢁ
44, REQUIREMENTS 6 ꢒꢃꢆꢐ6
),
6
ꢉ6ꢋ
$$
ꢅ
ꢅꢆꢀꢑ
ꢌꢆꢑ
AIꢀꢏꢅꢐꢃ
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 ).
V
OL/ OH
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 Section 5.2:
●
The sum of the currents sourced by all the I/Os on V
plus the maximum Run
DD,
consumption of the MCU sourced on V
cannot exceed the absolute maximum rating
DD,
I
(see Table 8).
VDD
●
The sum of the currents sunk by all the I/Os on V plus the maximum Run
SS
consumption of the MCU sunk on V cannot exceed the absolute maximum rating
SS
I
(see Table 8).
VSS
88/130
Doc ID 14611 Rev 8
STMICROELECTRONICS [ ST ]
