STC15W104 refers to a microcontroller chip manufactured by STC Microelectronics. This chip is commonly used in various electronic devices and projects to control and manage input/output operations. The STC15W104 offers a wide range of features and functionalities, making it a popular choice among engineers and hobbyists. It is based on the 8051 core architecture, offering a clock speed of up to 12 MHz and a memory capacity of 4 KB. The chip also supports multiple communication interfaces, such as SPI and UART, and has a built-in ADC module for analog signal processing. Overall, the STC15W104 provides a powerful and flexible solution for implementing control systems in electronic applications.
STC15W104 Features
- Enhanced 8051 CPU, 1T single clock/machine cycle
- With power indicator light
- Plug and unplug headers
- In-system programmable/in-application programmable
- Support pin header power supply and download port power supply
- Can communicate with TTL
- All IO ports lead out
- Programmable clock output function
- Stable and reliable work, strong anti-interference ability
- With power anti-reverse protection
- Support TTL download
- Hardware watchdog (WDT)
- 51 microcontroller core, C language programming
- Keil C development environment
STC15W104 Specifications
| Feature | Description |
|---|---|
| Operating Voltage | 2.5V - 5.5V |
| Operating Frequency Range | 5MHz ~ 35MHz | Flash | 1K/2K/3K/4K/5K/7K bytes | SRAM | 128 bytes | Timer/Counter | 2 timer/counter (T0/T2) | I/O port | 6 general-purpose I/O ports | Programming method | ISP/IAP |
| Operating Temperature Range | -40 ~ +85°C (Industrial) / 0 ~ 75°C (Commercial) |
| Package | SOP-8, DIP-8, DFN-8 |
STC15W104 Schematic
STC15W104 Pin Connections
| Number | Label | Function | Description |
|---|---|---|---|
| 1 | P30 | I/O Port | Primary I/O Port P3.0 |
| 2 | P31 | I/O Port | Primary I/O Port P3.1 |
| 3 | P32 | I/O Port | Primary I/O Port P3.2 |
| 4 | P33 | I/O Port | Primary I/O Port P3.3 |
| 5 | P34 | I/O Port | Primary I/O Port P3.4 |
| 6 | 5V+ | Power Supply | 5V Power Supply Input/Output |
| 7 | P35 | I/O Port | Primary I/O Port P3.5 |
| 8 | GND | Power Ground | Power Supply Ground (Negative) |
| 9 | GND | External Power Ground | External Power Supply Ground (Negative) |
| 10 | VCC | External Power Supply Positive | External Power Supply Voltage DC6~15V |
STC15W104 Size
Support ICs Decrypt STC15 Series Model
- STC15W204S
- STC15F104W
- STC15W100
- STC15W101
- STC15W102
- STC15W103
- STC15W104
- STC15W408AS
- STC15F2K60S2
- STC15W4K1024S4
- STC15W4K256S4
- STC15W4K32S4
- STC15W4K64S4
- STC15W4K128S4
- STC15W4K64S4
