CH554T USB Microcontroller, 16 KB Flash, TSSOP-20
Prices updated: 12 Oct 2026
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| Store | product | Price | View in store |
|---|---|---|---|
 UGE | CH554T USB microcontroller with 16KB ROM 256-bytes IRAM 1.25Kbytes XRAM and DMA TSSOP20 | 100 EGP | View in store |
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Lowest price recorded: 100 EGP
About this product
An 8051-compatible microcontroller from WCH with a built-in USB controller, intended for custom USB device projects. It has 16 KB of reprogrammable code flash, 256 bytes of IRAM and 1.25 KB of XRAM, plus an internal 12 MHz oscillator that lets USB run without an external crystal. A USB ISP bootloader allows firmware updates without a separate programmer.
Specifications
- Core
- Enhanced 8051-compatible
- Code flash
- 16 KB (reprogrammable)
- Internal RAM (IRAM)
- 256 bytes
- Expanded RAM (XRAM)
- 1.25 KB (1280 bytes)
- Maximum clock
- Up to 24 MHz (PLL up to 48 MHz for USB)
- On-chip oscillator
- 12 MHz, calibrated for USB
- Package
- TSSOP-20 (0.65 mm pitch)
- Programming
- USB ISP bootloader
Frequently asked questions
What is the price of CH554T USB Microcontroller, 16 KB Flash, TSSOP-20 in Egypt?
CH554T USB Microcontroller, 16 KB Flash, TSSOP-20 currently costs 100 EGP in Egypt.
Where can I buy CH554T USB Microcontroller, 16 KB Flash, TSSOP-20 in Egypt?
CH554T USB Microcontroller, 16 KB Flash, TSSOP-20 is available from UGE. Compare the offers above to find the best price.
Does it need an external crystal for USB?
No. The listing states the 12 MHz on-chip oscillator is calibrated for USB, so no external crystal is required for USB operation.
How do I program it?
It has a built-in USB ISP bootloader, so you can update firmware over USB without an external programmer. Refer to WCH's documentation for the exact bootloader entry sequence and supply voltage before wiring.
