DP83932CVF-33 - 33MHz Ethernet Controller | Texas Instruments
料号： DP83932CVF-33 ✓ 量产中DP83932CVF-33 概述
An Ethernet network interface controller is a semiconductor that manages data exchange between a host computer or embedded processor and an Ethernet network. The broader hierarchy is Ethernet controller → network interface controller → interface IC → integrated circuit. The SONIC architecture separates frame movement from the host processor, allowing Ethernet traffic to be transferred through DMA while the processor performs higher-level protocol processing.
The DP83932CVF-33 provides a 5 V supply and supports both 32-bit and 16-bit host systems, as stated in the manufacturer datasheet. Its selectable bus byte ordering accommodates systems using either big-endian or little-endian conventions. The DMA interface is designed to limit bus utilization, with the datasheet stating that transfers typically consume less than 3% of bus bandwidth at 25 MHz.
The controller is supplied in a 132-pin BQFP package identified as 24.13 mm by 24.13 mm in distributor data. Its exposed-lead package provides a large PCB footprint and external leads for system-bus, network-interface, timing, power, and control connections. The verified data identifies tray packaging and commercial-grade sourcing, while the exact operating-temperature limits and complete electrical timing tables were not included in the supplied excerpts.
Typical uses include embedded Ethernet networking, industrial data acquisition, embedded logging, industrial controllers, computing modules, and firmware-boot or storage systems. The controller is appropriate where a host processor requires a dedicated Ethernet MAC with DMA-assisted transfers rather than handling every frame directly in processor software.
When designing around the DP83932CVF-33, verify the complete 132-pin connection, network-interface circuit, oscillator requirements, reset behavior, and termination values against the manufacturer datasheet. PCB routing should keep high-speed bus and clock signals short, provide continuous ground-plane return paths, and include the decoupling network specified for the 5 V supply.
This page combines verified distributor specifications, manufacturer-datasheet excerpts, sourcing information, structured drop-in family references, and practical integration guidance. It is designed to help engineers identify the correct controller package and evaluate DP83932CVF-33 for legacy Ethernet designs without obscuring which details remain to be confirmed from the full datasheet.
直接替换替代料： DP83932CVF-33 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
DP83932CVF-20
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
DP83932CVF-25
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
DP83932CVF-30
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
DP83932CVF-33 规格参数
| Controller Type | Ethernet Network Interface Controller |
| Architecture | Second-generation SONIC (Systems-Oriented Network Interface Controller) |
| System Bus Width | 32-bit or 16-bit |
| 电源电压 | 5 V |
| DMA Bus Consumption | Typically less than 3% at 25 MHz bus clock |
| Bus Byte Ordering | Selectable big-endian or little-endian |
| Data Transfer Method | High-speed DMA |
| Package Type | 132-pin BQFP |
| Package Code | PQFP |
| Package Body Size | 24.13 mm x 24.13 mm |
| Number of Terminals | 132 |
| Package Shape | Square |
| Terminal Form | Gull wing |
| 安装类型 | Surface Mount |
| Packaging | Tray |
| Temperature Grade | Commercial |
DP83932CVF-33 square 引脚配置指南
DP83932CVF-33（square 封装）的引脚配置。 引脚编号、功能和连接图在制造商数据手册中定义。请参阅该手册以了解确切的封装尺寸和焊接指南。
暂无详细引脚数据： DP83932CVF-33.
请参阅 数据手册 以查看完整引脚配置。
典型应用
DP83932CVF-33 适用于 6 应用s: Industrial Ethernet Data Acquisition, Embedded Logging Systems, Embedded Computing Modules, Firmware Boot and Recovery, Networked Industrial Controllers, Legacy Network Interface Expansion.
Industrial Ethernet Data Acquisition
The DP83932CVF-33 fits industrial data-acquisition equipment that must transfer sensor, control, and diagnostic information over Ethernet while a host processor performs application processing. Its 32-bit or 16-bit system-bus interface accommodates different embedded architectures, and selectable big-endian or little-endian operation supports integration with varied processor designs. According to the manufacturer datasheet, the high-speed DMA interface typically consumes less than 3% of bus bandwidth at 25 MHz, reducing processor intervention during frame transfers. The 5 V supply and 132-pin BQFP package fit a conventional surface-mounted controller layout. Designers should still verify isolation, grounding, network-transceiver requirements, and the complete operating-temperature range for the target installation.
推荐
Embedded Logging Systems
The DP83932CVF-33 is appropriate for embedded logging systems that must move operational records, events, or diagnostic data across an Ethernet link. DMA-assisted frame movement allows the logging controller to separate network traffic handling from storage and application tasks, while the 32-bit or 16-bit bus choice supports legacy embedded platforms. The manufacturer datasheet reports that the DMA interface typically consumes less than 3% of bus bandwidth at a 25 MHz clock, providing useful headroom on the host bus. The controller operates from a 5 V supply and is offered in a 132-pin BQFP package. A practical implementation must use the manufacturer's prescribed clock, reset, bus, and decoupling arrangements while validating sustained logging throughput.
推荐
Embedded Computing Modules
The DP83932CVF-33 can support legacy embedded computing modules requiring an autonomous Ethernet interface for network boot, remote management, or distributed control. Its 32-bit and 16-bit bus operation accommodates processor peripherals designed around either word width, while selectable byte ordering helps bridge differing host conventions. The SONIC controller's DMA path typically uses less than 3% of bus bandwidth at 25 MHz, according to the manufacturer datasheet, which is valuable when the host bus also carries memory or accelerator traffic. The 5 V BQFP implementation is most appropriate for industrial-temperature and legacy-software contexts after qualification. System planners should verify startup sequencing, clock stability, firmware support, and connector-level Ethernet isolation before deployment.
推荐
Firmware Boot and Recovery
The DP83932CVF-33 is suitable for systems in which Ethernet provides a firmware-boot, recovery, or remote-update path. A dedicated Ethernet controller can receive bootstrap traffic while the host processor manages flash access, authentication, and image activation, reducing the amount of network protocol processing performed by the boot firmware. Its selectable big-endian and little-endian bus modes allow the same controller family to accommodate different processor architectures, and the 5 V supply is compatible with established embedded power systems. Because this is a 132-pin legacy-class SONIC controller, the implementation should follow the manufacturer datasheet for oscillator, reset, DMA, and bus timing. Software must also verify image integrity and prevent unauthorized firmware activation.
推荐
Networked Industrial Controllers
The DP83932CVF-33 fits industrial controllers that must expose operating data, alarms, and configuration information over Ethernet. The controller's 32-bit or 16-bit interface can connect to industrial processor buses, and selectable byte ordering reduces adaptation work across host designs. Its DMA controller typically consumes less than 3% of bus bandwidth at 25 MHz according to the manufacturer datasheet, helping preserve bus capacity for deterministic control tasks. The 5 V supply and 132-pin BQFP package support conventional embedded-board construction, but the exact commercial temperature limits must be checked against the installation environment. Designers should separate network and electronic-isolation domains where required and use the manufacturer's validated reference connection for the external Ethernet physical interface.
推荐
Legacy Network Interface Expansion
The DP83932CVF-33 can add dedicated Ethernet capability to a legacy embedded system whose processor lacks an integrated network controller. Supporting both 32-bit and 16-bit systems lets the same SONIC family address processor buses of different widths, while selectable byte ordering simplifies integration with the existing architecture. The manufacturer datasheet states that DMA typically consumes less than 3% of bus bandwidth at 25 MHz, reducing the load associated with repetitive frame handling. In an expansion design, the host processor still requires drivers and an Ethernet transceiver, so the controller does not provide a complete network interface by itself. The 5 V supply and 132-pin BQFP package must be accommodated by the board outline, while signal-integrity review should focus on clock, bus, and transceiver connections.
推荐
推荐产品汇总
工程参考数据： DP83932CVF-33 ——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 | DP83932CVF-20 | DP83932CVF-25 | DP83932CVF-30 |
|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | 132-pin BQFP | 132-pin BQFP - same package | 132-pin BQFP - same package | 132-pin BQFP - same package |
| Controller Type | Ethernet Network Interface Controller | Ethernet Network Interface Controller | Ethernet Network Interface Controller | Ethernet Network Interface Controller |
| Supply Voltage | 5 V | 5 V | 5 V | 5 V |
| Clock-Rate Suffix | 33 MHz | 20 MHz | 25 MHz | 30 MHz |
| System Bus Width | 32-bit or 16-bit | 32-bit or 16-bit | 32-bit or 16-bit | 32-bit or 16-bit |
| Bus Byte Ordering | Selectable big-endian or little-endian | Selectable big-endian or little-endian | Selectable big-endian or little-endian | Selectable big-endian or little-endian |
| Package Body Size | 24.13 mm x 24.13 mm | 24.13 mm x 24.13 mm | 24.13 mm x 24.13 mm | 24.13 mm x 24.13 mm |
关键差异点
- Higher clock-rate grade within the same SONIC package family （对比 DP83932CVF-30)
- Greater timing margin than the 25 MHz family reference （对比 DP83932CVF-25)
- Verified single-unit market reference （对比 DP83932CVF-20)
设计说明
Allocate the complete 132-pin BQFP footprint with its 24.13 mm by 24.13 mm body and gull-wing lead geometry before placing the controller. Follow the manufacturer datasheet for all 132 electrical connections and do not infer unused terminals from the abbreviated catalog description. Keep the 5 V input-capacitor connection close to the supply pins, provide an uninterrupted ground plane beneath the device, and route clock and system-bus signals over continuous reference planes to minimize discontinuities.
Treat the DP83932CVF-33 clock and DMA bus as timing-sensitive routes. Use the shortest practical point-to-point connections, avoid unnecessary test-point stubs, and maintain consistent reference-plane return paths for high-speed signals. The datasheet states that the DMA interface typically consumes less than 3% of bus bandwidth at 25 MHz, but this bandwidth figure does not eliminate signal-integrity requirements. Confirm driver strength, termination, trace length, and topology against the complete electrical characteristics before fabrication.
Power the controller from a stable 5 V rail and implement the manufacturer's prescribed decoupling network. The verified excerpts do not provide a maximum supply current, so do not size the rail from an assumed value; use the full manufacturer datasheet and worst-case operating conditions. Estimate the 5 V rail requirement by multiplying the verified maximum supply current by 5 V, then add regulator margin and capacitor effective-current derating. Check startup and reset sequencing before enabling downstream subsystems.
Do not treat the DP83932CVF-33 as a complete Ethernet PHY, and do not substitute a superficially similar Ethernet controller without a verified pin map. The integrated circuit provides the network interface controller and DMA functions, while the external network physical interface and isolation requirements remain design-specific. Also avoid replacing the 33 MHz-grade device with a lower-speed family member unless the host timing, throughput assumptions, reset timing, and approved component list have all been revalidated.
合规信息
The supplied distributor excerpts do not state RoHS, REACH, lead-free, halogen-free, or conflict-minerals status. This is a legacy Ethernet interface controller, so AEC-Q100 automotive qualification is not applicable based on the available information.
