STPCI2HEYC - 133 MHz x86 Terminal SoC | STMicroelectronics
料号： STPCI2HEYC ✗ 停产STPCI2HEYC 概述
An x86-compatible system-on-chip is an integrated processor platform that consolidates a PC-compatible computing core and common peripheral controllers into one device. In the hierarchy of semiconductor solutions, STPCI2HEYC belongs to the x86 microprocessor family, within the broader embedded microprocessor and system-on-chip categories. Unlike a discrete industrial PC, a terminal-oriented SoC can consolidate graphics, video, memory control, and PCI host functionality into one high-pin-count package. This integration supports compact designs intended to drive displays, decode video, and communicate through a PCI-based system architecture.
The primary electrical and functional highlights include a stated operating frequency of 133 MHz, a 64-bit internal bus architecture, external program-memory support, and integrated legacy display and video functions. The SVGA controller, 135 MHz RAMDAC, scan converter, and three-line flicker filter are particularly relevant to CRT-based terminal designs. The digital PAL/NTSC encoder expands support for composite video, while the video input and scaler support multimedia signal routing. The PCI master interface allows the SoC to operate as a bus master in a wider embedded platform.
Technical selection is tightly coupled to legacy display architecture. The 516-BBGA package is large relative to modern mixed-signal and embedded processors, but it supports the extensive mixed-signal, memory, graphics, PCI, power, and ground connections expected from a PC-compatible terminal SoC. Designers must follow the manufacturer's pinout, reference design, power-supply requirements, memory configuration, and PCB layout guidance exactly. Because this package is not represented in the available SVG library and a complete verified 516-pin assignment is not supplied in the source data, no pin names or electrical limits have been inferred here.
Typical uses include industrial terminal controllers, point-of-sale terminals, digital signage controllers, set-top-style appliances, and embedded systems requiring an x86 software environment with integrated graphics and PCI host capability. Its 133 MHz clock reflects a legacy PC-compatible architecture rather than a modern high-performance embedded processor. The integrated graphics and video blocks can reduce the need for separate display adapters in purpose-built equipment, although the complete board still requires carefully designed memory, video output, synchronization, and bus interfaces.
The principal design consideration is that STPCI2HEYC is a highly application-specific legacy SoC rather than a general-purpose microcontroller. Board developers should preserve the reference platform's memory topology and signal timing, use supported external devices, and validate display compatibility before production. Procurement should also confirm availability, revision identity, and manufacturing status with the authorized distributor because the verified datasheet listing describes the component as obsolete. This page distinguishes documented capabilities from unavailable details and does not infer electrical characteristics or replacement parts that are not established by the supplied sources.
This page consolidates the verified distributor, manufacturer-datasheet-index, and cross-reference search information for STPCI2HEYC, including its documented x86, graphics, video, memory, PCI, package, frequency, and pricing facts. It also identifies the critical engineering data that remains unavailable, preventing unsupported assumptions about pin assignments, power rails, operating temperature, compliance, lifecycle, and direct drop-in replacements.
直接替换替代料： STPCI2HEYC ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
该产品暂无直接替换替代料。
请求替代料STPCI2HEYC 最大额定值与电气特性
| Product Type | x86-compatible PC system-on-chip |
| Processor Architecture | 64-bit x86 |
| Operating Frequency | 133 MHz |
| Bus Architecture | 64-bit |
| Memory Controller | 64-bit DRAM controller |
| Program Memory Support | External program memory |
| Graphics Controller | Integrated SVGA graphics controller |
| Video RAMDAC | 135 MHz |
| Video Encoding | Digital PAL/NTSC encoder |
| Bus Interface | PCI master |
| Video Functions | Video scaler, video input port, CRT controller, and scan converter |
| 封装 | 516-pin plastic BGA |
| Package Designation | 516-BBGA |
| 安装类型 | Surface mount |
| Device Classification | Application-specific microcontroller / microprocessor SoC |
| Typical Application | PC-compatible terminals |
STPCI2HEYC 516-bbga 引脚配置指南
STPCI2HEYC（516-bbga 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： STPCI2HEYC.
请参阅 数据手册 以查看完整引脚配置。
典型应用
STPCI2HEYC 适用于 6 应用s: Industrial Terminal Controller, Point-of-Sale Terminal, Digital Signage Controller, Video Processing Appliance, Embedded PCI Host System, Legacy Educational and Laboratory Platform.
Industrial Terminal Controller
STPCI2HEYC fits legacy industrial terminals that require PC-compatible application execution and local graphics without a separate display chipset. Its 133 MHz x86-compatible core supports the processor workload, while the 64-bit DRAM controller, SVGA graphics controller, 135 MHz RAMDAC, and CRT controller form a consolidated display path. The 516-BBGA package is substantial but enables the numerous power, memory, graphics, video, and PCI connections required by this integration level. Engineers should use the manufacturer reference platform for memory topology, clocking, and PCB constraints, and verify every peripheral against the required terminal software image. The principal benefit is lower component count at the system level, although the obsolete lifecycle and specialized 516-pin package limit suitability for new designs without a deliberate legacy-maintenance strategy.
推荐
Point-of-Sale Terminal
The integrated x86-compatible processing and legacy display subsystem make STPCI2HEYC relevant to purpose-built point-of-sale terminals that combine operator graphics with peripheral connectivity. Its 64-bit bus and DRAM controller support the memory architecture of the original PC-compatible platform, while the SVGA controller and RAMDAC drive the display path. The PCI master interface can connect compatible expansion devices when the board design and firmware support them. Because the SoC is documented as obsolete, use should focus on sustaining an existing qualified design rather than starting a long-life retail platform. Any replacement must address not only the 516-pin footprint but also memory timing, video output, PCI behavior, operating-system support, boot firmware, and long-term component availability. Procurement and lifecycle confirmation are therefore essential parts of any maintenance design.
推荐
Digital Signage Controller
STPCI2HEYC can serve as the control engine in a legacy digital-signage appliance that combines local video generation with an embedded x86 software environment. The digital PAL/NTSC encoder, video scaler, scan converter, SVGA controller, and 135 MHz RAMDAC provide dedicated video processing alongside the 133 MHz processor core. These blocks may simplify a purpose-built CRT or composite-video terminal compared with a processor-only design. The PCI master interface also offers a route to compatible display or expansion hardware. However, output resolution, refresh behavior, synchronization, and analog video quality must be validated against the intended monitor because the verified data does not state supported modes. Since the component is obsolete and highly specialized, new signage projects should normally use a current embedded platform unless maintaining an installed platform is more economical and technically feasible.
推荐
Video Processing Appliance
STPCI2HEYC is suited to specialized appliances that require legacy video capture and processing beside a PC-compatible host processor. The verified feature set includes a video input port, video scaler, digital PAL/NTSC encoder, scan converter, CRT controller, and integrated SVGA graphics. Together with the 133 MHz x86-compatible core and 64-bit DRAM controller, these blocks can support closed appliances in which video timing and display behavior are tightly controlled. The PCI master interface provides another integration path for compatible accelerator or peripheral logic. Engineering effort must concentrate on analog and digital video routing, synchronization, memory compatibility, and thermal management. Because no verified operating-temperature range or power limits are supplied, those parameters must be taken directly from the manufacturer document rather than inferred. This use case is primarily appropriate for maintenance and derivative programs based on the original platform.
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Embedded PCI Host System
The integrated PCI master capability allows STPCI2HEYC to act as the host processor in a purpose-built embedded system containing compatible PCI agents. Its 133 MHz x86-compatible execution environment can run established PC software while the 64-bit DRAM controller and PCI master operate the platform's memory and peripheral buses. This makes the SoC potentially useful in legacy kiosks, test appliances, and embedded systems built around an ST reference design rather than a general processor chosen for a new design. Integration risk is substantial because PCI routing, arbitration, clock relationships, termination, and power sequencing depend on the complete board design. Developers should preserve the reference schematic and layout as closely as possible. Since the source identifies the part as obsolete, obsolescence planning should include software maintenance, long-term memory sourcing, and a migration path before committing to a new production cycle.
推荐
Legacy Educational and Laboratory Platform
STPCI2HEYC can support educational or laboratory systems built to demonstrate PC-compatible x86 architecture, DRAM interfacing, SVGA graphics, video encoding, and PCI mastering. Its integrated blocks allow students or engineers to study how an x86 core, graphics subsystem, and peripheral bus coexist in a terminal-oriented SoC. The 133 MHz operating speed is appropriate for classic x86 instruction-set and operating-system education, while the 516-BBGA package permits the extensive analog, digital, memory, and power connectivity required by the architecture. Documentation must include a controlled prototype process, ESD precautions, approved memory interfaces, and validated display test equipment. Because the component is obsolete, it should be treated as laboratory or maintenance inventory rather than recommended for contemporary curriculum purchases where current development boards and supported silicon would provide better support.
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推荐产品汇总
工程参考数据： STPCI2HEYC ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 |
|---|---|
| Product Type | x86-compatible PC system-on-chip |
| Brand | STMicroelectronics |
| Package | 516-pin plastic BGA |
| Operating Frequency | 133 MHz |
| Processor Architecture | 64-bit x86 |
| Bus Architecture | 64-bit |
| Memory Controller | 64-bit DRAM controller |
| Graphics | Integrated SVGA graphics controller with 135 MHz RAMDAC |
| Video Functions | Video scaler, digital PAL/NTSC encoder, video input, and CRT controller |
| Expansion Interface | PCI master |
| Program Memory | External program memory |
| Verified Unit Price | $27.65 per piece as of 2026-10-28 |
设计说明
Do not treat STPCI2HEYC as a generic modern microcontroller or reuse the package based only on its 516-BBGA pin count. The verified feature set combines a 133 MHz x86-compatible core, 64-bit DRAM control, legacy graphics, video, and PCI mastering. A substitute must preserve the complete electrical interface, boot behavior, memory topology, and software environment. The supplied cross-reference results identify no verified drop-in replacement, so any migration should be treated as a board redesign rather than a procurement-only change.
Use the manufacturer reference layout and exact stack-up when reproducing a STPCI2HEYC board. Its integrated x86, DRAM, SVGA, video, and PCI functions require careful high-speed routing, controlled impedance, solid return paths, and placement of power and decoupling connections. Preserve the verified reference component values and land pattern rather than deriving substitutions from generic BGA rules, because the supplied data does not establish the device's voltage, pin function, or escape-routing requirements.
Validate memory and PCI signal integrity with the complete board population, not only with the processor connected. The 64-bit bus and 64-bit DRAM controller increase the number of high-speed nets, while the graphics, RAMDAC, video, and scan-converter blocks create additional analog and synchronization paths. Apply the manufacturer's recommended topology, termination, and controlled-impedance constraints, and verify video timing and PCI operation across temperature and power-supply tolerance. Those exact values are not present in the supplied source and must not be inferred.
合规信息
The supplied verified results do not state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. AEC-Q100 is marked not applicable because this is a legacy terminal SoC rather than an automotive-qualified device, and no automotive qualification evidence was supplied.
