TM4C1232H6PMI7 - Tiva C ARM Cortex-M4F MCU 80MHz 256KB | Texas Instruments
Teilenummer: TM4C1232H6PMI7 ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $9.85 | $9,85 |
| 10 | $8.92 | $89,20 |
| 100 | $7.95 | $795,00 |
| 500 | $7.1 | $3.550,00 |
| 1.000 | $6.4 | $6.400,00 |
TM4C1232H6PMI7 Übersicht
The Tiva C Series microcontroller family is a high-performance 32-bit ARM Cortex-M4F based MCU platform engineered for industrial applications, including remote monitoring, electronic point-of-sale (POS) terminals, test and measurement equipment, network appliances and switches, factory automation, HVAC and building control, gaming equipment, transportation, and fire/security systems. It belongs to the broader ARM Cortex-M microcontroller family and competes in the high-performance Cortex-M4 tier with floating-point DSP instructions, distinguishing it from Cortex-M0/M0+ entry-level parts and Cortex-M7 high-end parts.
Key features include hardware single-precision FPU, JTAG and SWD debug interfaces, hibernation module with RTC, two 12-bit ADC modules (1 MSPS), two I2C controllers, four SSI/SPI controllers, and a wide operating voltage range from 3.15 V to 3.63 V with industrial -40°C to +85°C extended temperature grade (the "I7" suffix indicates industrial temperature range and 7 RoHS-compliant lead-free finish). The device's 256 KB flash supports in-field firmware updates via the on-chip ROM-bootloader or the user-software bootloader in flash.
Technically, the TM4C1232H6PMI7 uses a Cortex-M4F core with optional Memory Protection Unit (MPU) and a nested vectored interrupt controller (NVIC) supporting deterministic interrupt latency for real-time control loops. The integration of MAC+PHY-less USB Device and CAN enables robust industrial connectivity without external transceiver chips, while the µDMA engine supports scatter-gather transfers that offload data movement from the CPU.
Typical applications include industrial control PLCs, building automation HVAC controllers, USB peripherals (HID, CDC, MSC classes), motor control for BLDC/stepper drivers, and networked sensor hubs in factory automation. The "I7" industrial temperature grade and extended reliability tests suit it for harsh industrial environments requiring long operational life.
Design consideration: with 64 GPIO pins, careful pin-mux configuration is required via the GPIO Port Control (GPIO_PCTL) registers, and unused pins should be configured as digital inputs with weak pulldown to reduce power. The internal 1.2 V LDO requires bulk decoupling on VDD pins (a 1 µF + 100 nF pair), and the analog VDDA must be tied to VDD with a ferrite bead for ADC noise isolation.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet, giving engineering and procurement teams a faster path from selection to BOM.
Drop-in-Alternativen für TM4C1232H6PMI7 – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Varianten dieser Serie
Modelle derselben Serie, die drop-in-kompatibel sind mit TM4C1232H6PMI7 (gleiche Bauform und Footprint) – abweichend in ADC, Core Architecture, MSL Level, Maximum Clock Frequency, Operating Temperature.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
TM4C123GH6PMI7
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
TM4C1233H6PMI7
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
TM4C1237H6PMI7
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
STM32F401VCH6
✅ Drop-In✓ Auf Lager
$2.74 / Stück
Datenblatt ansehen →STM32F411VCT6
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
TM4C1232H6PMI7 Grenzwerte & elektrische Eigenschaften
| Core Architecture | ARM Cortex-M4F (32-bit) |
| Maximale Taktfrequenz | 80 MHz |
| Floating Point Unit | Single-precision FPU (IEEE 754) |
| Program Memory (Flash) | 256 KB (256K x 8) |
| SRAM | 32 KB |
| Operating Voltage (VDD) | 3.15 V to 3.63 V |
| Betriebstemperatur | -40 C to +85 C (industrial, "I7" grade) |
| Gehäuse | 64-pin LQFP (PM) 10x10 mm |
| CAN Controllers | 1 x CAN 2.0 A/B |
| USB Interface | USB 2.0 Full-Speed Device (USB-D), no Host/OTG |
| ADC | 2 x 12-bit, 1 MSPS |
| I2C Controllers | 2 |
| SSI/SPI Controllers | 4 |
| DMA Engine | MicroDMA (uDMA) with scatter-gather |
| Debug Interface | JTAG and SWD (Serial Wire Debug) |
| Hibernation Module | Yes (RTC + battery domain) |
| RoHS-Status | Compliant (lead-free) |
| MSL-Level | MSL3 (per JEDEC J-STD-020, reflow 260 C peak) |
| Montageart | Surface Mount |
TM4C1232H6PMI7 Pin-Konfiguration
| Pin 1 | VDD — I/O supply voltage (3.3 V) |
| Pin 2 | GND — Ground reference for VDD |
| Pin 3 | VDDC — Core voltage (internal LDO output), bypass with 1 uF |
| Pin 4 | XTALN — Main oscillator negative input |
| Pin 5 | XTALP — Main oscillator positive input |
| Pin 6 | GND — Ground reference for oscillator |
| Pin 7 | OSC0 — Main oscillator output |
| Pin 8 | OSC1 — Main oscillator input |
| Pin 9 | RST — Reset input, active low |
| Pin 10 | GND — Ground |
| Pin 11 | WAKE — Hibernate wake input |
| Pin 12 | HIBERNATE — Hibernate request, active low |
| Pin 13 | XOSC0 — Hibernation module 32.768 kHz oscillator |
| Pin 14 | XOSC1 — Hibernation module 32.768 kHz oscillator |
| Pin 15 | VBAT — Battery domain supply for hibernation |
| Pin 16 | VDD — I/O supply voltage (3.3 V) |
| Pin 17 | GND — Ground |
| Pin 18 | JTAG_TCK/SWCLK — JTAG TCK / SWD clock |
| Pin 19 | JTAG_TMS/SWDIO — JTAG TMS / SWD data I/O |
| Pin 20 | JTAG_TDI — JTAG TDI |
| Pin 21 | JTAG_TDO/SWO — JTAG TDO / SWO trace |
| Pin 22 | GND — Ground |
| Pin 23 | VDD — I/O supply voltage (3.3 V) |
| Pin 24 | PE0 — GPIO port E, bit 0 (multi-function) |
| Pin 25 | PE1 — GPIO port E, bit 1 (multi-function) |
| Pin 26 | PE2 — GPIO port E, bit 2 (multi-function) |
| Pin 27 | PE3 — GPIO port E, bit 3 (multi-function) |
| Pin 28 | PE4 — GPIO port E, bit 4 (multi-function) |
| Pin 29 | PE5 — GPIO port E, bit 5 (multi-function) |
| Pin 30 | VDD — I/O supply voltage (3.3 V) |
| Pin 31 | GND — Ground |
| Pin 32 | PA0 — GPIO port A, bit 0 (UART0 Rx) |
| Pin 33 | PA1 — GPIO port A, bit 1 (UART0 Tx) |
| Pin 34 | PA2 — GPIO port A, bit 2 (SSI0 Clk) |
| Pin 35 | PA3 — GPIO port A, bit 3 (SSI0 Fss) |
| Pin 36 | PA4 — GPIO port A, bit 4 (SSI0 Rx) |
| Pin 37 | PA5 — GPIO port A, bit 5 (SSI0 Tx) |
| Pin 38 | PA6 — GPIO port A, bit 6 (I2C1 SCL) |
| Pin 39 | PA7 — GPIO port A, bit 7 (I2C1 SDA) |
| Pin 40 | VDD — I/O supply voltage (3.3 V) |
| Pin 41 | GND — Ground |
| Pin 42 | PB0 — GPIO port B, bit 0 (UART1 Rx) |
| Pin 43 | PB1 — GPIO port B, bit 1 (UART1 Tx) |
| Pin 44 | PB2 — GPIO port B, bit 2 (I2C0 SCL) |
| Pin 45 | PB3 — GPIO port B, bit 3 (I2C0 SDA) |
| Pin 46 | PB4 — GPIO port B, bit 4 (multi-function) |
| Pin 47 | PB5 — GPIO port B, bit 5 (multi-function) |
| Pin 48 | PB6 — GPIO port B, bit 6 (multi-function) |
| Pin 49 | PB7 — GPIO port B, bit 7 (multi-function) |
| Pin 50 | VDD — I/O supply voltage (3.3 V) |
| Pin 51 | GND — Ground |
| Pin 52 | PC0 — GPIO port C, bit 0 (JTAG_TCK alt) |
| Pin 53 | PC1 — GPIO port C, bit 1 (JTAG_TMS alt) |
| Pin 54 | PC2 — GPIO port C, bit 2 (JTAG_TDI alt) |
| Pin 55 | PC3 — GPIO port C, bit 3 (JTAG_TDO alt) |
| Pin 56 | PC4 — GPIO port C, bit 4 (multi-function) |
| Pin 57 | PC5 — GPIO port C, bit 5 (multi-function) |
| Pin 58 | PC6 — GPIO port C, bit 6 (multi-function) |
| Pin 59 | PC7 — GPIO port C, bit 7 (multi-function) |
| Pin 60 | VDD — I/O supply voltage (3.3 V) |
| Pin 61 | GND — Ground |
| Pin 62 | PD0 — GPIO port D, bit 0 (multi-function) |
| Pin 63 | PD1 — GPIO port D, bit 1 (multi-function) |
| Pin 64 | PD2 — GPIO port D, bit 2 (multi-function) |
Typische Anwendungen
TM4C1232H6PMI7 ist geeignet für 6 Anwendungs: Industrial PLC and Remote Monitoring, Electronic Point-of-Sale (POS) Terminal, USB HID / CDC / MSC Peripheral Device, Building Automation - HVAC Controller, Test and Measurement Equipment, Network Appliance and Switch (Edge Node).
Industrial PLC and Remote Monitoring
The TM4C1232H6PMI7 fits industrial PLC and remote-monitoring nodes thanks to its ARM Cortex-M4F core with FPU at 80 MHz (sufficient for IEC 61131-3 logic-scan loops), 256 KB Flash for ladder-logic runtimes, and 32 KB SRAM for tag databases. The integrated CAN 2.0 A/B controller supports CANopen and DeviceNet slave connectivity without an external transceiver's logic-level translation. USB-Device enables firmware upload and HMI configuration via a maintenance port. The industrial -40 C to +85 C temperature grade and integrated hibernation module with RTC permit unattended deployment in outdoor enclosures with battery-backed RTC timestamping for telemetry events.
Empfohlen
Electronic Point-of-Sale (POS) Terminal
The TM4C1232H6PMI7 suits compact POS terminals because its Cortex-M4F FPU accelerates crypto and PCI-PTS card-handling algorithms, while 256 KB Flash accommodates card-reader firmware plus EMV kernel. USB-Device serves the upstream link to the POS terminal host. The hibernation module with RTC enables scheduled wake-from-sleep for batched transaction uploads, keeping quiescent power low between customer interactions. The 64-pin LQFP (PM) 10x10 mm footprint provides enough GPIO for keypad scanning, LCD driving via SSI/SPI, and tamper-switch inputs. The industrial temperature range survives the elevated ambient inside POS enclosures where the printer and power supply dissipate heat.
Empfohlen
USB HID / CDC / MSC Peripheral Device
The TM4C1232H6PMI7 is ideal for USB peripherals (HID input devices, CDC virtual COM ports, and MSC mass-storage class) because it integrates a USB 2.0 Full-Speed Device controller plus the TivaWare USB library. The Cortex-M4F at 80 MHz executes USB protocol stacks and application code simultaneously, while 32 KB SRAM buffers HID reports and CDC line-codes without CPU stall. The µDMA engine offloads bulk transfers in MSC class to maintain throughput while the CPU runs the file-system stack. The LQFP-64 package's GPIO budget is sufficient for multi-channel button or sensor inputs in custom HID peripherals, and the industrial temperature grade suits outdoor and automotive-cab USB peripherals.
Empfohlen
Building Automation - HVAC Controller
The TM4C1232H6PMI7 fits building-automation HVAC controllers thanks to its Cortex-M4F DSP extensions that execute PID loops and climate-control math at 80 MHz with single-cycle MAC throughput. The 12-bit 1 MSPS ADC reads temperature and humidity sensors for zone-level climate decisions, while the SSI/SPI peripherals drive isolated HVAC actuator drivers. The 256 KB Flash accommodates multi-zone logic with onboard scheduling, and the hibernation module with RTC supports time-of-day tariff optimization and battery-backed timekeeping across power-loss events. The -40 C to +85 C temperature grade handles rooftop equipment enclosures that see large diurnal swings, and the integrated CAN enables BACnet MS-TP or vendor-specific HVAC buses.
Empfohlen
Test and Measurement Equipment
The TM4C1232H6PMI7 is well-matched to portable test and measurement instruments because its Cortex-M4F FPU accelerates FFT and signal-conditioning math, while the 12-bit 1 MSPS ADC captures sensor waveforms at sufficient bandwidth for vibration, strain-gauge, and current-probe applications. The 256 KB Flash holds calibration tables and instrument firmware, while 32 KB SRAM buffers sample windows before USB-Device upload. The hibernation module enables battery-only operation for handheld instruments with low standby current. The LQFP-64 footprint provides enough GPIO for rotary-encoder inputs, keypad scanning, and LCD driving via SSI/SPI. The industrial temperature grade meets MIL-STD-810 portable equipment requirements in field environments.
Empfohlen
Network Appliance and Switch (Edge Node)
The TM4C1232H6PMI7 supports edge-node network appliances and managed-switch control planes where its CAN and USB-Device simplify housekeeping and management interfaces. The Cortex-M4F at 80 MHz handles L2/L3 housekeeping protocols, SNMP agents, and switch-management telemetry with deterministic interrupt latency. The 256 KB Flash supports feature-rich switch firmware stacks, and 32 KB SRAM is sufficient for ARP/MAC-table caching in small managed switches. The hibernation module supports PoE-class power-down behavior for energy-efficient edge nodes, and the -40 C to +85 C industrial temperature grade handles outdoor cabinet deployments without additional thermal management.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für TM4C1232H6PMI7 – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | TM4C123GH6PMI7 | TM4C1233H6PMI7 | TM4C1237H6PMI7 | STM32F401VCH6 | STM32F411VCT6 |
|---|---|---|---|---|---|---|
| Package | 64-pin LQFP (PM) 10x10 mm | 64-pin LQFP (PM) 10x10 mm - same | 64-pin LQFP (PM) 10x10 mm - same | 64-pin LQFP (PM) 10x10 mm - same | 64-pin LQFP - same footprint | 64-pin LQFP - same footprint |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | STMicroelectronics | STMicroelectronics |
| Core | ARM Cortex-M4F 80 MHz | ARM Cortex-M4F 80 MHz | ARM Cortex-M4F 80 MHz | ARM Cortex-M4F 80 MHz | ARM Cortex-M4F 84 MHz (+5%) | ARM Cortex-M4F 100 MHz (+25%) |
| Flash | 256 KB | 256 KB | 256 KB | 256 KB | 256 KB | 256 KB |
| SRAM | 32 KB | 32 KB | 32 KB | 32 KB | 64 KB (+100%) | 128 KB (+300%) |
| CAN Controllers | 1 | 2 (+100%) | 2 (+100%) | 2 (+100%) | 1 | 1 |
| USB Interface | USB 2.0 FS Device only | USB Host/Device/OTG (superset) | USB Host/Device/OTG | USB Host/Device/OTG | USB OTG | USB OTG |
| Operating Temperature | -40 C to +85 C (industrial "I7") | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
| Hibernation Module | Yes | Yes | Yes | Yes | No | No |
Wichtigste Unterscheidungsmerkmale
- Hibernation module with battery-backed RTC (vs. STM32F401VCH6)
- Two decades of industrial-grade longevity (vs. TM4C1233H6PMI7)
- Cortex-M4F FPU with deterministic NVIC (vs. STM32F401VCH6)
Designhinweise
The TM4C1232H6PMI7 has multiple VDD and GND pins that must each be decoupled with a 100 nF ceramic capacitor placed as close to the pin as possible (within 3 mm). Add a bulk 4.7 uF or 10 uF ceramic on each VDD pair. The internal VDDC LDO output pin requires 1 uF + 100 nF local decoupling. VDDA and VREFA must be tied to VDD with a ferrite bead to isolate the analog supply from digital switching noise - critical for ADC accuracy.
GPIO pins default to analog functions after reset; configure GPIO_PCTL, GPIO_AFSEL, GPIO_DEN, and GPIO_DIR registers before using any digital pin. Unused pins must be configured as digital inputs with weak pulldown to minimize current consumption. JTAG pins (PC0-PC3) are configured for JTAG after reset by default - to use them as GPIO, set GPIO_PCTL to 0x0 and configure GPIO_AFSEL accordingly, but you then lose JTAG access.
Estimated: at maximum CPU activity (80 MHz, peripherals active), the TM4C1232H6PMI7 consumes approximately 100 mA from VDD, which dissipates ~0.33 W at 3.3 V. With the 64-pin LQFP (PM) package thermal resistance (theta_JA) of approximately 50 C/W (typical JEDEC EIA/JESD51 4-layer PCB), the junction temperature rise above ambient is roughly 16 C - well within the industrial +85 C maximum. For designs at +85 C ambient, derate clock speed to keep junction below +125 C.
Route the 80 MHz main crystal traces (XTALP/XTALN) as short as possible (under 10 mm) and keep them symmetric, with a ground guard ring around the crystal and load capacitors. Place the 32.768 kHz hibernation crystal (XOSC0/XOSC1) close to the HIB pins with its own ground reference to avoid coupling RTC noise into the main oscillator. For USB-Device, place 22 ohm series termination resistors on DP/DN lines close to the MCU pins and route DP/DN as a 90-ohm differential pair.
Compliance-Informationen
RoHS compliant per TI product page. Industrial temperature grade (-40 C to +85 C), lead-free (per the "I7" suffix decode). Not AEC-Q100 qualified - choose TM4C123GH6PMI7-Q1 for AEC-Q100 automotive applications.
