STM32F217VGT6 STMicroelectronics, STM32F217VGT6 Datasheet - Page 77
STM32F217VGT6
Manufacturer Part Number
STM32F217VGT6
Description
MCU ARM 1024KB FLASH 100LQFP
Manufacturer
STMicroelectronics
Series
STM32r
Datasheet
1.STM32F215RET6.pdf
(158 pages)
Specifications of STM32F217VGT6
Core Processor
ARM® Cortex-M3™
Core Size
32-Bit
Speed
120MHz
Connectivity
CAN, Ethernet, I²C, IrDA, LIN, MMC, SPI, UART/USART, USB OTG
Peripherals
Brown-out Detect/Reset, DMA, I²S, LCD, POR, PWM, WDT
Number Of I /o
82
Program Memory Size
1MB (1M x 8)
Program Memory Type
FLASH
Eeprom Size
-
Ram Size
132K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 16x12b; D/A 2x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-LFQFP
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
497-11187
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
STM32F217VGT6
Manufacturer:
STMicroelectronics
Quantity:
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STM32F215xx, STM32F217xx
Note:
Caution:
Table 26.
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. t
For C
5 pF to 15 pF range selected to match the requirements of the crystal or resonator (see
Figure
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 30. Typical application with a 32.768 kHz crystal
t
SU(LSE)
Symbol
stray
design guide for ST microcontrollers”.
small R
32.768 kHz oscillation is reached. This value is measured for a standard crystal resonator and it can vary
significantly with the crystal manufacturer
C
SU(LSE)
R
g
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
30). C
(4)
and C
S
= C
is the startup time measured from the moment it is enabled (by software) to a stabilized
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
L1
L2
= 8 pF.
and C
C L2
C L1
it is recommended to use high-quality external ceramic capacitors in the
L
Parameter
has the following formula: C
L2,
32.768 kH z
resonator
are usually the same size. The crystal manufacturer typically
Doc ID 17050 Rev 4
OSC32_OU T
OSC32_IN
S
)
(3)
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
is stabilized
L
Bias
gain
= 30 kΩ
= 32.768 kHz)
= C
L2
L1
IN
(15 pF) it is strongly recommended
= V
x C
SS
L2
STM32F
/ (C
Electrical characteristics
Min
L
L1
f LSE
(1)
7
-
-
-
-
= 6 pF, and C
L1
and C
+ C
18.4
Typ
2
-
-
-
L2
L2
) + C
.
ai17531
Max
3.5
15
stray
stray
-
-
-
= 2 pF,
where
77/158
µA/V
Unit
MΩ
pF
µA
s
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