STM32F102RB STMicroelectronics, STM32F102RB Datasheet - Page 38

• 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
5.3.6
Table 19.
1. Guaranteed by design, not tested in production.
Table 20.
1. Guaranteed by design, not tested in production.
38/69
DuCy
DuCy
Symbol
C
f
Symbol
t
t
C
V
f
LSE_ext
V
t
t
t
t
w(LSE)
w(LSE)
V
HSE_ext
V
r(LSE)
t
t
f(LSE)
in(LSE)
w(HSE)
w(HSE)
r(HSE)
f(HSE)
in(HSE)
LSEH
LSEL
HSEH
HSEL
I
L
I
(LSE)
L
(HSE)
External clock source characteristics
High-speed external user clock generated from an external source
The characteristics given in
external clock source, and under ambient temperature and supply voltage conditions
summarized in
High-speed external user clock characteristics
Low-speed external user clock generated from an external source
The characteristics given in
external clock source, and under ambient temperature and supply voltage conditions
summarized in
Low-speed external user clock characteristics
User external clock source frequency
OSC32_IN input pin high level voltage
OSC32_IN input pin low level voltage
OSC32_IN high or low time
OSC32_IN rise or fall time
OSC32_IN input capacitance
Duty cycle
OSC32_IN Input leakage current
User external clock source frequency
OSC_IN input pin high level voltage
OSC_IN input pin low level voltage
OSC_IN high or low time
OSC_IN rise or fall time
OSC_IN input capacitance
Duty cycle
OSC_IN Input leakage current
Parameter
Parameter
Table
Table
8.
8.
(1)
(1)
(1)
(1)
(1)
(1)
Table 19
Table 20
Doc ID 15056 Rev 3
(1)
(1)
result from tests performed using an high-speed
result from tests performed using an low-speed
V
SS
V
Conditions
SS
Conditions
 V
 V
IN
IN
 V
 V
DD
DD
0.7V
Min
V
450
0.7V
30
STM32F102x8, STM32F102xB
SS
Min
V
16
45
DD
1
SS
DD
32.768
Typ
Typ
5
8
5
0.3V
0.3V
1000
Max
V
Max
V
50
70
±1
25
20
55
±1
DD
DD
DD
DD
Unit
MHz
kHz
Unit
µA
pF
ns
µA
%
ns
pF
V
%
V