STM32F101RG STMicroelectronics, STM32F101RG Datasheet - Page 105

• Manufacturer Part Number: STM32F101RG
• Description: Mainstream Access line, ARM Cortex-M3 MCU with 1 Mbyte Flash, 36 MHz CPU
• Manufacturer: STMicroelectronics

Specifications of STM32F101RG

• Conversion Range: 0 to 3.6 V
• Peripherals Supported: timers, ADC, DAC, SPIs, I2Cs and USARTs
• Systick Timer: a 24-bit downcounter

STM32F101xF, STM32F101xG
6.2.2
Evaluating the maximum junction temperature for an application
When ordering the microcontroller, the temperature range is specified in the ordering
information scheme shown in
information
Each temperature range suffix corresponds to a specific guaranteed ambient temperature at
maximum dissipation and, to a specific maximum junction temperature. Here, only
temperature range 6 is available (–40 to 85 °C).
The following example shows how to calculate the temperature range needed for a given
application, making it possible to check whether the required temperature range is
compatible with the STM32F10xxx junction temperature range.
Example: High-performance application
Assuming the following application conditions:
Thus: P
Using the values obtained in
This is within the junction temperature range of the STM32F10xxx (–40 < T
Figure 60. LQFP64 P
Maximum ambient temperature T
I
level with I
mode at low level with I
P
P
This gives: P
P
–
T
DDmax
Jmax
INTmax
IOmax
Dmax
Dmax
For LQFP64, 45 °C/W
= 82 °C + (45 °C/W × 447 mW) = 82 °C + 20.1 °C = 102.1 °C
= 175 + 272 = 447 mW
scheme.
= 50 mA, V
= 20 × 8 mA × 0.4 V + 8 × 20 mA × 1.3 V = 272 mW
= 447 mW
= 50 mA × 3.5 V= 175 mW
700
600
500
400
300
200
100
OL
0
INTmax
= 8 mA, V
65
DD
D
= 175 mW and P
max vs. T
= 3.5 V, maximum 20 I/Os used at the same time in output at low
75
OL
OL
Table 65
Table 65: STM32F101xF and STM32F101xG ordering
Doc ID 17143 Rev 2
= 0.4 V and maximum 8 I/Os used at the same time in output
= 20 mA, V
85
A
T
Amax
T
A
Jmax
(°C)
IOmax
OL
= 82 °C (measured according to JESD51-2),
95
is calculated as follows:
= 1.3 V
= 272 mW
105
115
Package characteristics
Suffix 6
J
< 105 °C).
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