王达业

Microcontroller learning board based on STC8A8K64S4A12

Overview

The introduction of the microcontroller core board based on STC8A8K64S4A12 is as follows:

1. It uses micro USB 5V power supply, the AMS1117 linear regulator steps down to 3.3V, and has a USB to TTL interface composed of CH340E;
2. It has an external crystal oscillator circuit and an external reset circuit, and the user You can choose whether to use it;
3. It has a Boot button, through which you can start downloading;
4. It has a high-precision 2.5V reference source, which divides the analog ground and digital ground to provide an accurate reference source for the analog port, such as ADC etc.;
5. With 2-way Led, 2-way Key, oled display (I2C), expandable esp01s;
6. I/O is led out through the expansion port;
7. The controller adopts the LQFP-64 package type STC8A8K64S4A12, with full overall dimensions It is 5*5cm.

Design Files

Related Devices

Devices	Class	introduce	Datasheet
0805B103J500CT	Passive components;The patch capacitance	Accuracy: ±5% Capacitance: 10nF Rated voltage: 50V Temperature drift coefficient (dielectric material): X7R X7R	Download
CBC3225T221KR		Wire-wound Chip Power Inductors	Download
TS-1088C-02026	accessories;Light touch switch	Button action direction: Top actuation contact Rated current: 50mA @ 12VDC Button head type: Round button Action force: 260gf Circuit structure: SPST	Download
TC211A106K016Y	Passive components;Tantalum capacitor	Accuracy: ±10% Capacitance: 10uF Rated voltage: 16V ESR series resistance: 7 Ω @ 100kHz Operating temperature: -55℃ ~ +125℃ Industrial grade, A-type tantalum capacitor A3216 (1206) package	Download
TL431	Power/power management;Voltage reference chip		Download
WR08X332JTL	Passive components;SMD resistor	Resistance (ohms): 3.3K Accuracy: ±5% Power: 1/8W Temperature coefficient: ±100ppm/°C	Download
AMS1117-3.3	Power/power management;Low dropout linear regulator (they)	Output type: Fixed Maximum input voltage: 18V Output current: 1A Output voltage (minimum/fixed): 3.235V	Download
TC211A476K010Y	Passive components;Tantalum capacitor	Accuracy: ±10% Capacitance: 47uF Rated voltage: 10V ESR series resistance: 4 Ω @ 100kHz Operating temperature: -55℃ ~ +125℃	Download
WR08X301JTL	Passive components;SMD resistor	Resistance (ohms): 300 Accuracy: ±5% Power: 1/8W Temperature coefficient: ±100ppm/°C	Download
8550M-C	Discrete semiconductor;triode	Rated power: 625mW Collector current Ic: 1.5A Collector-emitter breakdown voltage Vce: 25V Transistor type: PNP	Download
TC212A226K010B	Passive components;Tantalum capacitor	Accuracy: ±10% Capacitance: 22uF Rated voltage: 10V ESR series resistance: 2.5 Ω @ 100kHz Operating temperature: -55℃ ~ +125℃	Download
NEW3ACG	Other integrated circuit (IC);The LED driver		Download
WR08X201JTL	Passive components;SMD resistor	Resistance (ohms): 200 Accuracy: ±5% Power: 1/8W Temperature coefficient: ±100ppm/°C	Download
K3-1260D-L1	accessories;Toggle switch	Rated voltage DC: - Contact rated current: - Switching function: On-On Circuit structure: SPDT Rated voltage AC: - High quality toggle switch	Download
WR08X5100FTL	Passive components;SMD resistor	Resistance (ohms): 510 Accuracy: ±1% Power: 1/8W Temperature coefficient: ±100ppm/°C	Download
0805X226M100CT	Passive components;The patch capacitance	Accuracy: ±20% Capacitance: 22uF Rated voltage: 10V Temperature drift coefficient (dielectric material): X5R Material: X5R	Download
WR08X0000FTL	Passive components;SMD resistor	Resistance (ohms): 0 Accuracy: ±1% Power: 1/8W Temperature coefficient: -200ppm/°C ~ +400ppm/°C	Download
CC0805KKX5R6BB106	Passive components;capacitor	Capacitor, Ceramic, Chip, General Purpose, 10uF, 10V, ±10%, X5R, 0805 (2012 mm), 0.053"T, -55º ~ +85ºC, 7" Reel/Plastic Tape	Download
STC8A8K32S4A12LQFP-64	The embedded processor and controller		Download
WR08X4701FTL	Passive components;SMD resistor	Resistance (ohms): 4.7K Accuracy: ±1% Power: 1/8W Temperature coefficient: ±100ppm/°C	Download
XIHCELNANF-32MHZ	Analog mixed-signal IC;Into the crystal resonator (passive)	Frequency tolerance: ±30ppm Load capacitance value: 20pF Main frequency: 32MHz Equivalent series resistance (ESR): 80 Ohm (Max) -	Download

All reference designs on this site are sourced from major semiconductor manufacturers or collected online for learning and research. The copyright belongs to the semiconductor manufacturer or the original author. If you believe that the reference design of this site infringes upon your relevant rights and interests, please send us a rights notice. As a neutral platform service provider, we will take measures to delete the relevant content in accordance with relevant laws after receiving the relevant notice from the rights holder. Please send relevant notifications to email: bbs_service@eeworld.com.cn.

It is your responsibility to test the circuit yourself and determine its suitability for you. EEWorld will not be liable for direct, indirect, special, incidental, consequential or punitive damages arising from any cause or anything connected to any reference design used.

Hot

Technical Resources More

Search Datasheet?

Supported by EEWorld Datasheet

Technical Videos More

Forum More

Update:2024-11-14 23:59:29

A beautiful kitchen timer using an LED matrix display
Martin Jonasson makes a rather beautiful and unique kitchen timer.Hackaday Introduction Article github code
[RVB2601 Creative Application Development]_3_Music Play Construction
The first step is to create a new project. Making good use of the rich routine resources of Pingtou Ge can save a lot of time!In order to get more content online, you can first configure some paramete
The drive signal amplitude is too large at 240mV, and the optical module optical eye diagram quality is poor
When the laser driver driver signal amplitude is 240mV, the optical module eye diagram quality is poor
The STRING string in PCB in PROTEL99 cannot be rotated. Please help me.
The STRING string in PCB in PROTEL99 cannot be rotated. Please help me. As shown in the figure below, after clicking the red dot in the figure, the cursor automatically moves to the lower left corner
Improving Power Efficiency Using Gallium Nitride (GaN)
Today, more and more designers are using gallium nitride-based flyback AC/DC power supplies in a variety of applications. GaN is important because it helps improve the efficiency of power transistors,
Special registers in ARM
SP（R13）　　Special registers 　　LR（R14）　　1. When a subroutine exists, the return address of the subroutine is saved 　　2. When an abnormal interrupt occurs, save the return address of the abnormal mode

Datasheet More

Circuits More