STM32F103ZC STMicroelectronics, STM32F103ZC Datasheet - Page 91

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STM32F103ZC

Manufacturer Part Number
STM32F103ZC
Description
Mainstream Performance line, ARM Cortex-M3 MCU with 256 Kbytes Flash, 72 MHz CPU, motor control, USB and CAN
Manufacturer
STMicroelectronics
Datasheet

Specifications of STM32F103ZC

Core
ARM 32-bit Cortex™-M3 CPU
Conversion Range
0 to 3.6 V
Dma
12-channel DMA controller
Supported Peripherals
timers, ADCs, DAC, SDIO, I2Ss, SPIs, I2Cs and USARTs
Systick Timer
a 24-bit downcounter

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STM32F103xC, STM32F103xD, STM32F103xE
5.3.15
Figure 46. 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 ambient temperature and V
Table
Table 49.
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 47. 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
NF(NRST)
IH(NRST)
IL(NRST)
Symbol
F(NRST)
hys(NRST)
to the series resistance must be minimum
Table
R
10.
PU
49. Otherwise the reset will not be taken into account by the device.
(1)
(1)
(1)
(1)
PU
External
reset circuit
NRST pin characteristics
(see
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
EXT ERNAL
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
46).
Parameter
t r(I O)out
NRST
Doc ID 14611 Rev 8
(2)
(~10% order)
10%
V DD
50%
when loaded by 50pF
R PU
90%
(2)
.
DD
supply voltage conditions summarized in
Conditions
V
T
10%
IN
Table 49
=
50%
V
Filter
SS
90%
t r(I O)out
STM32F10xxx
are derived from tests
IL(NRST)
Internal Reset
–0.5
Min
300
30
2
Electrical characteristics
max level specified in
Typ
200
40
V
ai14132d
DD
Max
100
0.8
50
+0.5
ai14131
91/130
Unit
mV
ns
ns
V

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