TM4C1290NCPDTI3R - Tiva C Series 120MHz ARM Cortex-M4F MCU, 1MB Flash | TI
料号： TM4C1290NCPDTI3R ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $17.5 | $17.50 |
| 10 | $15.2 | $152.00 |
| 100 | $12.48 | $1,248.00 |
| 500 | $10.85 | $5,425.00 |
| 1,000 | $9.64 | $9,640.00 |
TM4C1290NCPDTI3R 概述
What is an ARM Cortex-M4F microcontroller? An ARM Cortex-M4F microcontroller is a 32-bit MCU based on the ARM Cortex-M4 processor core with single-precision floating-point unit (FPU), DSP extensions, and a Nested Vectored Interrupt Controller (NVIC). The M4F sits in the Cortex-M family hierarchy above Cortex-M0/M0+ (low-power 8/16-bit class performance) and Cortex-M3 (basic 32-bit), delivering deterministic real-time performance with DSP-class signal processing capability. Microcontrollers occupy the embedded computing tier below microprocessors (MPUs) in the system-on-chip taxonomy, integrating CPU, memory, peripherals, and often connectivity IP into one package.
Key features of the TM4C1290NCPDTI3R include: integrated 10/100 Ethernet MAC and PHY, USB 2.0 full-speed host/device/OTG, two CAN 2.0B controllers, eight UARTs, ten I2C, four SSI/SPI, a 12-bit 2MSPS ADC with up to 24 analog inputs, and a hibernation module with RTC. The on-chip memory of 1MB Flash and 256KB single-cycle SRAM supports data-logging buffers, TCP/IP stacks (such as lwIP or TI's own NDK), and real-time control loops without external memory in many designs. The 16-bit CRC engine and AES/DES/SHA crypto accelerators (via the TivaWare library) are commonly leveraged for secured connectivity.
Typical applications include industrial Ethernet gateways, PLC modules, networked sensors, building automation controllers, USB host peripherals (printers, scanners, POS terminals), automotive telematics, smart energy and smart grid endpoints, and SCADA remote terminal units (RTUs). The wide 3.3V I/O and integrated PHY reduce external BOM for cost-sensitive connected designs.
When designing with this MCU, pay close attention to the TQFP-128 thermal performance at high CPU loading. Validate that the hibernation current budget meets battery-backed RTC requirements, and ensure PCB layout keeps the Ethernet differential pairs length-matched within datasheet tolerances. This page synthesizes distributor pricing, drop-in Tiva C alternatives, and practical design guidance not found in the manufacturer datasheet alone.
直接替换替代料： TM4C1290NCPDTI3R ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： TM4C1290NCPDTI3R （相同外形与封装尺寸） ——差异在于 Ethernet, Package, Series, USB.
快速对比工具——选择替代料号进行并排对比：
TM4C129ENCPDTI3R
✅ 直接替换📋 参考替代料（不在目录中）
TM4C1294NCPDTI3
✅ 直接替换✓ 有现货
$9.44 / 个
查看数据手册 →TM4C1294KCPDTI3R
✅ 直接替换📋 参考替代料（不在目录中）
TM4C129DNCPDTT3R
✅ 直接替换📋 参考替代料（不在目录中）
TM4C1292NCPDTI3R
✅ 直接替换📋 参考替代料（不在目录中）
TM4C1290NCPDTI3R 最大额定值与电气特性
| Core Architecture | ARM Cortex-M4F (32-bit, with FPU) |
| Series | Tiva C Series |
| Max CPU Clock | 120 MHz |
| Program Memory (Flash) | 1 MB (1024 KB) |
| Operating Voltage | 1.2 V core / 3.3 V I/O |
| 封装 | 128-pin TQFP (PDT), 14x14 mm |
| 安装类型 | Surface Mount |
| Ethernet | 10/100 MAC + integrated PHY |
| USB | USB 2.0 Full-Speed Host/Device/OTG |
| CAN | 2x CAN 2.0B controllers |
| RoHS 状态 | Compliant (per DigiKey listing) |
TM4C1290NCPDTI3R 128-pin tqfp (pdt), 14x14 mm 引脚配置指南
TM4C1290NCPDTI3R（128-pin tqfp (pdt), 14x14 mm 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： TM4C1290NCPDTI3R.
请参阅 数据手册 以查看完整引脚配置。
典型应用
TM4C1290NCPDTI3R 适用于 6 应用s: Industrial Ethernet Gateway, USB Host Peripherals (Printer/Scanner/POS), Connected IoT Sensor Hub, Building Automation Controller, Smart Energy / Metering Endpoint, Medical Patient Monitor Data Concentrator.
Industrial Ethernet Gateway
The TM4C1290NCPDTI3R serves as the system-on-chip for industrial Ethernet gateways converting RS-485, CAN, or legacy serial protocols to TCP/IP and MQTT. Its integrated 10/100 MAC+PHY eliminates an external PHY plus its crystals, simplifying BOM and shortening PCB layout time. The 120 MHz Cortex-M4F runs an lwIP or TI-RTOS/NDK stack concurrently with protocol conversion firmware without external memory. Dual CAN 2.0B controllers natively bridge to CANopen or DeviceNet slaves. The 128-TQFP package's wide footprint gives ample GPIO for status LEDs, isolated digital inputs, and a serial console without external I/O expanders.
推荐
USB Host Peripherals (Printer/Scanner/POS)
The TM4C1290NCPDTI3R's USB 2.0 full-speed host/controller with on-chip PHY suits USB peripherals such as printers, scanners, and POS terminals. The Cortex-M4F with FPU accelerates image-processing locals while a class driver stack reads from a USB mass-storage or HID bridge. Designers benefit from 1 MB Flash fitting the USB class stack plus application logic without external memory. The internal 3.3V LDO and hibernation module reduce external power components and support RTC-backed scheduling for low-duty-cycle peripherals.
推荐
Connected IoT Sensor Hub
An IoT sensor hub built around the TM4C1290NCPDTI3R aggregates multiple UART/I2C/SPI sensors and publishes over MQTT to a cloud broker through its integrated Ethernet PHY. The FPU executes moving-average and FFT pre-processing before transmission, offloading the cloud backend. Hibernation mode with RTC lets battery-backed nodes wake at sub-second intervals for duty-cycle optimization. The wide I/O count supports several analog sensors through the on-chip 12-bit ADC, replacing external multiplexers.
推荐
Building Automation Controller
Building automation controllers use the TM4C1290NCPDTI3R to drive BACnet, Modbus TCP, or KNX gateways between field devices and supervisory systems. The dual CAN and 8 UARTs support multiple RS-485 trunks simultaneously, while the 1 MB Flash fits an RTOS scheduler plus BACnet stack alongside custom logic. RTC hibernation provides scheduling of set-back events across unoccupied periods. The 128-TQFP's 14x14 mm size and 0.5 mm lead pitch suit standard 4-layer control-panel PCBs.
推荐
Smart Energy / Metering Endpoint
Smart-meter and AMI endpoints use the TM4C1290NCPDTI3R to read pulsed outputs from metrology ICs, perform local tariff computation in the FPU, and report via Ethernet or cellular module UART. The 256 KB SRAM holds up to 40 days of 15-minute interval logs without external storage. Hardware AES via TivaWare secures DLMS/COSEM communications, and the integrated PHY removes the external Ethernet component that often faces allocation. The 128-TQFP industrial temperature grade handles outdoor cabinet environments.
推荐
Medical Patient Monitor Data Concentrator
A patient-monitor data concentrator uses the TM4C1290NCPDTI3R to aggregate vital-signs data over Bluetooth, USB, or wired serial from bedside monitors and forward it to EMR systems over Ethernet. The Cortex-M4F executes DSP filters on incoming waveforms to detect artifact or arrhythmia before forwarding. Code-compatible migration within the Tiva C family lets a hospital-IT vendor scale from the TM4C1290 to TM4C1294 when storage or peripherals grow. The 128-TQFP package supports standard manufacturing flow.
推荐
推荐产品汇总
工程参考数据： TM4C1290NCPDTI3R ——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 | TM4C129ENCPDTI3R | TM4C1294NCPDTI3 | TM4C1294KCPDTI3R | TM4C129DNCPDTT3R | TM4C1292NCPDTI3R |
|---|---|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | 128-TQFP (PDT) 14x14 mm | 128-TQFP (PDT) - same | 128-TQFP (PDT) - same | 128-TQFP (PDT) - same | 128-TQFP (PDT) - same | 128-TQFP (PDT) - same |
| Core | ARM Cortex-M4F 120 MHz | ARM Cortex-M4F 120 MHz | ARM Cortex-M4F 120 MHz | ARM Cortex-M4F 120 MHz | ARM Cortex-M4F 120 MHz | ARM Cortex-M4F 120 MHz |
| Flash | 1 MB | 1 MB | 1 MB | 512 KB | 1 MB | 1 MB |
关键差异点
- Enhanced peripheral set over the TM4C129ENCPDTI3R drop-in alternative （对比 TM4C129ENCPDTI3R)
- Flash density advantage over the lower-cost TM4C1294KCPDTI3R variant （对比 TM4C1294KCPDTI3R)
- No external PHY needed （对比 Most Cortex-M4 MCUs in 128-TQFP)
设计说明
Keep Ethernet MDI differential pairs (TX+/-, RX+/-) length-matched to within +/- 2 mm per the Tiva C reference design and provide a clean analog ground island for the integrated PHY. Use a 50 ohm controlled-impedance microstrip on the top layer over a continuous ground plane. Place the 50 MHz reference-clock crystal and its load caps within 5 mm of the XTAL pins to avoid jitter or loss-of-lock. Decouple each VDD/VBAT pin with 0.1 uF X7R as close to the lead as possible, supplemented by a 4.7 uF bulk capacitor within 50 mm of the supply pin.
Although the TM4C1290NCPDTI3R integrates an LDO, heavy CPU bursts at 120 MHz can pull significant current (estimated: 80-120 mA I_run typical at full load). Provide a regulator headroom of at least 0.3 V above 3.3 V if supplied from a 3.6 V LDO, or use a switching regulator with low ripple for noise-sensitive ADC measurements. The hibernation module retains RTC and a small register file on VBAT at microamp-level currents, so the VBAT pin needs a coin-cell or supercap for retention in main-power-loss scenarios. Estimated: at 25 C ambient, VBAT current is typically a few microamps with proper decoupling.
A common pitfall is forgetting to enable the integrated PHY and configure the MAC in firmware - the device ships with the PHY disabled to save power. Validate Ethernet link-up using the TivaWare ethernet examples before integration. Another pitfall: leaving unused pins floating can cause excess current in CMOS inputs; tie them to GND or VCC through 10 kohm resistors, or explicitly configure them as outputs. Finally, the JTAG pins are not 5 V tolerant - level-shift any external debugger voltages accordingly. Estimated current draw summary: ~80 mA typical at 120 MHz active mode; ~10 mA deep-sleep; ~1 uA hibernation with RTC.
合规信息
RoHS compliance and lead-free status confirmed from DigiKey/LCSC listings. AEC-Q100 not applicable to non-automotive-grade Tiva C variants; for automotive, evaluate Tiva C variants with 'Q1' suffix. REACH and halogen-free status not explicitly stated in the provided data; set to 'unknown' rather than guessed.
