STM32F101R4T6A STMicroelectronics, STM32F101R4T6A Datasheet - Page 57

• Manufacturer Part Number: STM32F101R4T6A
• Description: MCU ARM 32BIT 16K FLASH 64-LQFP
• Manufacturer: STMicroelectronics
• Series: STM32r

Specifications of STM32F101R4T6A

• Core Processor: ARM® Cortex-M3™
• Core Size: 32-Bit
• Speed: 36MHz
• Connectivity: I²C, IrDA, LIN, SPI, UART/USART
• Peripherals: DMA, PDR, POR, PVD, PWM, Temp Sensor, WDT
• Number Of I /o: 51
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 3.6 V
• Data Converters: A/D 16x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-LQFP
• Processor Series: STM32F101x
• Core: ARM Cortex M3
• Data Bus Width: 32 bit
• Data Ram Size: 4 KB
• Interface Type: I2C, SPI, USART
• Maximum Clock Frequency: 36 MHz
• Number Of Programmable I/os: 51
• Number Of Timers: 2
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 12 bit, 16 Channel
• For Use With: 497-10030 - STARTER KIT FOR STM32497-8853 - BOARD DEMO STM32 UNIV USB-UUSCIKSDKSTM32-PL - KIT IAR KICKSTART STM32 CORTEXM3497-8512 - KIT STARTER FOR STM32F10XE MCU497-8505 - KIT STARTER FOR STM32F10XE MCU497-8304 - KIT STM32 MOTOR DRIVER BLDC497-6438 - BOARD EVALUTION FOR STM32 512K497-6289 - KIT PERFORMANCE STICK FOR STM32MCBSTM32UME - BOARD EVAL MCBSTM32 + ULINK-MEMCBSTM32U - BOARD EVAL MCBSTM32 + ULINK2497-6053 - 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 STM32497-5046 - KIT TOOL FOR ST7/UPSD/STR7 MCU
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details
• Other names: 497-8314

STM32F101x4, STM32F101x6
5.3.14
Figure 26. I/O AC characteristics definition
NRST pin characteristics
The NRST pin input driver uses CMOS technology. It is connected to a permanent pull-up
resistor, R
Unless otherwise specified, the parameters given in
performed under the ambient temperature and V
in
Table 37.
1. Guaranteed by design, not tested in production.
2. The pull-up is designed with a true resistance in series with a switchable PMOS. This PMOS contribution
Figure 27. Recommended NRST pin protection
1. The reset network protects the device against parasitic resets.
2. The user must ensure that the level on the NRST pin can go below the V
V
V
V
V
V
Table
NF(NRST)
IH(NRST)
IL(NRST)
Symbol
F(NRST)
the series resistance must be minimum
Table 37
hys(NRST)
R
PU
8.
(1)
(1)
(1)
(1)
PU
. Otherwise the reset will not be taken into account by the device.
External
reset circuit
NRST pin characteristics
(see
EXT ERNAL
NRST Input low level voltage
NRST Input high level voltage
NRST Schmitt trigger voltage
hysteresis
Weak pull-up equivalent resistor
NRST Input filtered pulse
NRST Input not filtered pulse
OUTPUT
ON 50pF
Maximum frequency is achieved if (t r + t f ) ≤ 2/3)T and if the duty cycle is (45-55%)
Table
(1)
0.1 µF
34).
Parameter
t r(I O)out
NRST
Doc ID 15058 Rev 5
(2)
(~10% order)
10%
V DD
50%
when loaded by 50pF
R PU
90%
.
(2)
Conditions
V
DD
IN
T
10%
=
supply voltage conditions summarized
Table 37
V
SS
50%
Filter
90%
t r(I O)out
STM32F10x
–0.5
Min
300
30
Internal reset
2
are derived from tests
IL(NRST)
Electrical characteristics
max level specified in
Typ
200
40
ai14132d
V
DD
Max
100
0.8
50
+0.5
ai14131
Unit
to
57/79
mV
kΩ
ns
ns
V