Am8251 Cpu
Overview
Product sourcing insights & recommendations


The phrase 'am8251' typically refers to two distinct electronic components depending on the context: the legacy AMD Am8251 (a serial communications chip) and the modern Telink TLSR8251 (a wireless SoC).
1. Product Identification & Specifications
There is a clear divide between these two generations of hardware:
* Modern Version (Telink TLSR8251): This is a high-performance Wireless System-on-Chip (SoC) widely used in current IoT and smart home applications Telink-Semi.
* Connectivity: Supports Bluetooth Low Energy (BLE 5.3), Zigbee, Thread, and 2.4GHz proprietary protocols Allelcoelec.
* Core: 32-bit proprietary RISC MCU running up to 48MHz with internal Flash and SRAM Telink-Semi.
* Power: Extremely low power consumption (1.0µA in deep sleep), making it ideal for battery-powered wearables and smart lighting Allelcoelec.
* Legacy Version (AMD Am8251): A programmable USART (Universal Synchronous-Asynchronous Receiver/Transmitter) interface used for wired serial data communication Alldatasheet.
* Compatibility: Designed for 8-bit processors like the 8080A/9080A, operating at +5V TTL logic levels Allelcoelec.
* Status: Largely obsolete in new designs but still found in legacy industrial equipment and for maintenance of vintage computing systems Alldatasheet.
2. Market Trends & Insights (2025–2026)
The market for these processors is driven by the broader shift toward integrated, low-power connectivity:
* IoT Dominance: The Embedded Computing Market is projected to see hardware account for 54% of its share by 2026, with 32-bit processors leading at nearly 48% market share due to their balance of power and efficiency Coherentmarketinsights.
* Edge Computing & AI: Modern chips like the TLSR8251 are part of a trend toward edge AI processing, where data is processed locally to reduce latency and power consumption—a market expected to reach $200.76 billion by 2034 Fortunebusinessinsights.
* Supply Dynamics: For legacy chips like the AMD Am8251, the market is primarily driven by component distributors managing "New Old Stock" (NOS) for industrial repairs and retro-tech enthusiast markets.
* Integration Shift: Recent trends show a nearly 68% adoption shift toward multi-core and highly integrated SoCs that combine MCU, RF, and power management on a single die to reduce PCB footprint and BOM cost Globalgrowthinsights.
I have found several listings for both the modern Telink SoC and legacy communications interfaces below.
I've identified two distinct versions of the 'am8251'. You can:
Telink Tlsr8251 Wireless Soc Chip
Products · 3 lists

New Original Docking With Tmall Genie Serial Port WiFi+BLE5.0 Module Pins to ESP-12F TG7100C Chip TG-12F
Shenzhen Dongjiang Chuangfu Technology Co., Ltd.🇨🇳CN1 yr
ESP8266 WIFI Wireless Module Remote Serial Port Module ESP-12S
Shenzhen Ruised Technology Co., Ltd.🇨🇳CN9 yrs
New Original SIM800C Quad-Band GSM GPRS Module Wireless Transceiver IC Chip
Shenzhen Hongtai Shengye Technology Co., Ltd.🇨🇳CN2 yrs
DT-06 wireless WIFI serial port transparent transmission module TTL to WIFI compatible blue-tooth HC-06 interface ESP-M2
Shenzhen Dongheng Electronic Technology Co., Ltd.🇨🇳CN4 yrs
BSSY)ESP32-S WiFi+BT SoC Module CAM

Original E72-2G4M Module Multi Protocol 2.4GHz Wireless System on Chip SoC CC2630 Chip Module
Shenzhen Kuanwei Technology Co., Ltd.🇨🇳CN1 yr
ESP32-S3 N16R8 IoT Wireless WIFI Transceiver Module ESP32-S3-WROOM-1
Shenzhen Nordson Electronics Co., Ltd.🇨🇳CN1 yr
Original Manufacturer SATECH produces ESP8266 IoT wireless communication ESP-12E ESP-12F serial WiFi modules
Shenzhen Sato Intelligent Technology Ltd🇨🇳CN11 yrs
Original ESP-12E 4M Byte Serial Port WiFi Module Wireless Transceiver 802.11 B/g/n IoT Development ESP8266 Chipset MT7628N

Esp8266 Wifi Module WT8266-S5 Compatible ESP-12F Esp12f with Esp8266 Esp8266ex 2.4G WIFI SOC IC for Smart Home Iot
Wireless-Tag Technology Co., Limitedverified🇨🇳CN8 yrs
SP8285N08 Wi-Fi SoC MCU Transceiver Chip 1MB Memory 802.11 B/g/n Support QFN 5x5mm Package for IoT
Muz Tech Co., Ltd.verified🇨🇳CN6 yrs
RTL8188EUS Built-in wifi low-power RTL8188EUS chip WIFI module 3.3V 2.4G USB
Shenzhen Icslove Technology Co., Ltd.🇨🇳CN2 yrs
Ebyte ODM E03-2G4M10S 10dBm TELINK TLSR8359 Wireless SOC 2.4GHz wireless module SOC module
Chengdu Ebyte Electronic Technology Co., Ltd.🇨🇳CN11 yrs
Original New WiFi Modules (802.11) SMD Module ESP32-WROOM-32UE
Shenzhen Jianuoxin Technology Co., Ltd.🇨🇳CN2 yrs
ESP8266 ESP-12E Remote Serial WiFi Wireless Transceiver Module
Shenzhen Yuzens Technologies Co. Ltd.🇨🇳CN12 yrs
Good Price Electronic Parts IC Chips WiFi Module ESP32-S2-WROVER-N8R2 BOM List
Shenzhen Chipsrsun Technology Co., Ltd.🇨🇳CN1 yr
Industrial bl-m8188eu2 wireless module, rtl8188eus chip, USB wireless WiFi module support BOM
Shenzhen E-Link Technology Co., Ltd.🇨🇳CN9 yrs
Original ESP32-S2-WROVER-N8R2 2.4GHz 8MB WiFi module
Shenzhen Kaisheng Century Electronics Co., Ltd.verified🇨🇳CN3 yrs
RF52832 Ultra Low Power Based NRF52 Module 5.0 with CE/FCC
Shenzhen Lanke Xuntong Technology Co., Ltd.🇨🇳CN9 yrs
Original IC ESP32-S3-N16R8 ESP32-S3-1-N8R2 WIFI Module Chip Integrated Circuit ESP32-S3
Shenzhen Xincheng Electronics Co., Ltd.🇨🇳CN1 yr
SY Chips T3168 In Stock Electronic Ics SMD Wireless Charging Receiving IC SOP-8 2110 Ic T3168
Shenzhen Sy Chips Technology Co., Ltd.🇨🇳CN8 yrs
RTL8188EUS Wireless WIFI Module Set USB Interface Low Power Long Distance Wall Piercing King Android Anti
Hunan Hualai Technology Co., Ltd.🇨🇳CN7 yrs
MFRC52202HN1 Highly Integrated Read/write IC Wireless Transceiver Chip

Industrial bl-m8188eu2 wireless module, rtl8188eus chip, USB wireless WiFi module support BOM

Original ESP32-S2-WROVER-N8R2 2.4GHz 8MB WiFi module

RF52832 Ultra Low Power Based NRF52 Module 5.0 with CE/FCC

Original IC ESP32-S3-N16R8 ESP32-S3-1-N8R2 WIFI Module Chip Integrated Circuit ESP32-S3

SY Chips T3168 In Stock Electronic Ics SMD Wireless Charging Receiving IC SOP-8 2110 Ic T3168

RTL8188EUS Wireless WIFI Module Set USB Interface Low Power Long Distance Wall Piercing King Android Anti

MFRC52202HN1 Highly Integrated Read/write IC Wireless Transceiver Chip
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Sources & References
27 sources cited · Verified industry data & reports

AM8251 Datasheet(PDF) - List of Unclassifed Manufacturers
ALLDATASHEET.COM
DISTINCTIVE CHARACTERISTICS • Improved performance with Am9551 • Separate control and transmit register input buffers • 8080A/9080A compatible

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