STM32F103RBT7TR STMicroelectronics, STM32F103RBT7TR Datasheet - Page 51

• Manufacturer Part Number: STM32F103RBT7TR
• Description: MCU ARM 32BIT 64KB FLASH 64LQFP
• Manufacturer: STMicroelectronics
• Series: STM32r

Specifications of STM32F103RBT7TR

• Core Processor: ARM® Cortex-M3™
• Core Size: 32-Bit
• Speed: 72MHz
• Connectivity: CAN, I²C, IrDA, LIN, SPI, UART/USART, USB
• Peripherals: DMA, Motor Control PWM, PDR, POR, PVD, PWM, Temp Sensor, WDT
• Number Of I /o: 51
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 20K x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 3.6 V
• Data Converters: A/D 16x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 105°C
• Package / Case: 64-LQFP
• Processor Series: STM32F103x
• Core: ARM Cortex M3
• Data Bus Width: 32 bit
• Data Ram Size: 20 KB
• Interface Type: CAN, I2C, SPI, USART, USB
• Maximum Clock Frequency: 72 MHz
• Number Of Programmable I/os: 51
• Number Of Timers: 4
• Maximum Operating Temperature: + 105 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWARM, EWARM-BL, KSDK-STM32-PLUS, KSK-STM32-JL, MDK-ARM, RL-ARM, ULINK2
• Development Tools By Supplier: ST-LINK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 2 (12 bit, 16 Channel)
• For Use With: 497-10048 - BOARD EVAL ACCELEROMETER497-10030 - STARTER KIT FOR STM32KSDKSTM32-PL - KIT IAR KICKSTART STM32 CORTEXM3497-8512 - KIT STARTER FOR STM32F10XE MCU497-8511 - KIT STARTER FOR STM32 512K FLASH497-8505 - KIT STARTER FOR STM32F10XE MCU497-8418 - BOARD DEMO DGTL PHOTOFRAME STM32497-6438 - BOARD EVALUTION FOR STM32 512K497-6289 - KIT PERFORMANCE STICK FOR STM32MCBSTM32UME - BOARD EVAL MCBSTM32 + ULINK-MEMCBSTM32U - BOARD EVAL MCBSTM32 + ULINK2MCBSTM32 - BOARD EVAL FOR STM STM32X SER497-6053 - KIT STARTER FOR STM32497-6052 - KIT STARTER FOR STM32497-6050 - KIT STARTER FOR STM32497-6049 - KIT EVALUATION LOW COST STM32497-6048 - BOARD EVALUATION FOR STM32497-6047 - KIT DEVELOPMENT FOR STM32
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

STM32F103x8, STM32F103xB
Note:
Caution:
5.3.7
Table 23.
1. Based on characterization, not tested in production.
2. Refer to the note and caution paragraphs below the table, and to the application note AN2867 “Oscillator
3. The oscillator selection can be optimized in terms of supply current using an high quality resonator with
4.
For C
15 pF range selected to match the requirements of the crystal or resonator. C
usually the same size. The crystal manufacturer typically specifies a load capacitance which
is the series combination of C
Load capacitance C
C
between 2 pF and 7 pF.
To avoid exceeding the maximum value of C
to use a resonator with a load capacitance C
capacitance of 12.5 pF.
Example: if you choose a resonator with a load capacitance of C
then C
Figure 23. Typical application with a 32.768 kHz crystal
Internal clock source characteristics
The parameters given in
temperature and V
t
SU(LSE)
Symbol
stray
design guide for ST microcontrollers.
small R
kHz oscillation is reached. This value is measured for a standard crystal resonator and it can vary
significantly with the crystal manufacturer
C
t
R
g
SU(LSE)
I
(2)
2
m
F
L1
is the pin capacitance and board or trace PCB-related capacitance. Typically, it is
L1
Resonator with
integrated capacitors
(4)
and C
S
= C
is the startup time measured from the moment it is enabled (by software) to a stabilized 32.768
value for example MSIV-TIN32.768kHz. Refer to crystal manufacturer for more details
Feedback resistor
Recommended load capacitance
versus equivalent serial
resistance of the crystal (R
LSE driving current
Oscillator Transconductance
startup time
LSE oscillator characteristics (f
L2
L2
C L2
= 8 pF.
C L1
it is recommended to use high-quality ceramic capacitors in the 5 pF to
DD
L
Parameter
has the following formula: C
supply voltage conditions summarized in
32.768 kH z
resonator
Table 24
Doc ID 13587 Rev 11
L1
and C
are derived from tests performed under ambient
OSC32_OU T
OSC32_IN
S
)
(3)
L2
.
V
R F
DD
L1
L
V

= 3.3 V, V
DD
LSE
and C
Conditions
R
controlled
S
7 pF. Never use a resonator with a load
Bias
is stabilized
L
gain
= 30 k
= 32.768 kHz)
= C
L2
L1
IN
(15 pF) it is strongly recommended
= V
x C
SS
STM32F103xx
L2
Table
/ (C
f LSE
Electrical characteristics
Min
L
(1)
5
= 6 pF, and C
L1
9.
+ C
Typ
5
3
L2
) + C
L1
Max
and C
1.4
15
stray
stray
ai14146
= 2 pF,
L2,
where
µA/V
Unit
M
51/92
pF
µA
s
are