STM32F102RB STMicroelectronics, STM32F102RB Datasheet - Page 48

• Manufacturer Part Number: STM32F102RB
• Description: Mainstream USB Access line, ARM Cortex-M3 MCU with 128 Kbytes Flash, 48 MHz CPU, USB FS
• Manufacturer: STMicroelectronics

Specifications of STM32F102RB

• Core: ARM 32-bit Cortex™-M3 CPU
• Peripherals Supported: timers, ADC, SPIs, I2Cs and USARTs
• Conversion Range: 0 to 3.6 V
• Systick Timer: 24-bit downcounter

Electrical characteristics
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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 34.
1. The I
2. The I
3. Based on characterization data, not tested in production.
Symbol
V
V
V
V
V
V
V
V
OH
OH
OH
OH
OL
OL
OL
OL
and the sum of I
Table 6
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
(1)
(1)
(1)
(1)
VDD
VSS
(2)
(2)
(2)
(2)
8. 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 the same time
Output High level voltage for an I/O pin
when 8 pins are sourced at the same time
Output low level voltage for an I/O pin
when 8 pins are sunk at the same time
Output high level voltage for an I/O pin
when 8 pins are sourced at the same time
Output low level voltage for an I/O pin
when 8 pins are sunk at the same time
Output high level voltage for an I/O pin
when 8 pins are sourced at the same time
Output low level voltage for an I/O pin
when 8 pins are sunk at the same time
Output high level voltage for an I/O pin
when 8 pins are sourced at the same time
Output voltage characteristics
Table
Table
IO
(I/O ports and control pins) must not exceed I
6).
6).
IO
Parameter
(I/O ports and control pins) must not exceed I
OL
).
Doc ID 15056 Rev 3
SS
DD,
cannot exceed the absolute maximum rating
DD
cannot exceed the absolute maximum rating
supply voltage conditions summarized in
2.7 V < V
2.7 V < V
2.7 V < V
Section
2 V < V
I
IO
I
Table 34
IO
I
Conditions
CMOS port
I
IO
IO
TTL port,
SS
= +20 mA
= +6 mA
VSS
= +8 mA,
= +8 mA
DD
plus the maximum Run
DD,
DD
DD
DD
.
5.2:
< 2.7 V
STM32F102x8, STM32F102xB
< 3.6 V
< 3.6 V
< 3.6 V
plus the maximum Run
VDD
are derived from tests
(3)
(3)
.
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 6
Unit
V
V
V
V