My Inquiry
My Account
Texas Instruments AM4377BZDNA80
- Part No.:
- AM4377BZDNA80
- Manufacturer:
- Texas Instruments
- Category:
- Microprocessors
- Package:
- 491-LFBGA
- Datasheet:
-
AM4377BZDNA80.pdf
- Description:
- IC MPU SITARA 800MHZ 491NFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:4,296
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
AM4377BZDNA80 from Texas Instruments is a high-performance Sitara™ ARM® Cortex®-A9 microprocessor operating at 800 MHz, integrating dual 12-bit SAR ADCs (867 kSPS), six eHRPWM modules, three eQEP modules, and a programmable PRU-ICSS subsystem supporting EtherCAT®, PROFINET®, and EnDat 2.2 for industrial real-time control. It features 32KB L1 instruction/data cache, 256KB L2 cache, LPDDR2/DDR3/DDR3L memory support, and a PowerVR SGX530 graphics engine for rich UI rendering in embedded HMI applications.
For engineers reviewing the AM4377BZDNA80 datasheet, AM4377BZDNA80 pinout, AM4377BZDNA80 application, or AM4377BZDNA80 equivalent, this page delivers verified technical context on its deterministic real-time subsystem, industrial protocol acceleration, dual ADC architecture with touch-screen controller capability, and 491-ball NFBGA package routing constraints - critical for motor control, programmable logic controller (PLC), and industrial HMI design.
Technical Context
The AM4377BZDNA80 implements a dual-core-capable ARM Cortex-A9 CPU subsystem clocked at 800 MHz with NEON SIMD and VFPv3 coprocessors, paired with 256KB of configurable L2 cache or L3 RAM. Its PRU-ICSS contains two independent 200-MHz RISC cores (PRU-ICSS0 and PRU-ICSS1) with dedicated instruction/data RAM (4KB/8KB respectively), enabling parallel execution of time-critical industrial protocols without CPU intervention.
It integrates dual 12-bit SAR ADCs: ADC0 supports 4-/5-/8-wire resistive touch-screen controller (TSC) operation, while ADC1 pairs with eHRPWM modules for closed-loop motor control. The device supports IEEE 1588v2 PTP via dual gigabit Ethernet MACs with integrated switch and RGMII/MII/MDIO interfaces - all synchronized to the same time base through hardware timestamping.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-A9, 800 MHz - enables Linux-based HLOS with deterministic real-time response when offloaded to PRU-ICSS. |
| Memory Interface | 32-bit DDR3/DDR3L @ 400 MHz (DDR-800 data rate) - supports up to 2GB address space with ECC for industrial reliability. |
| ADC Performance | Two 12-bit SAR ADCs, 867 kSPS max - ADC0 configurable as TSC for integrated HMI touch panels; ADC1 usable for analog feedback in servo drives. |
| Real-Time Subsystem | PRU-ICSS with two 200-MHz PRU cores, 12KB/4KB instruction RAM - runs EtherCAT slave stack independently of ARM core, reducing jitter to sub-microsecond levels. |
| Ethernet Capability | Dual 10/100/1000-Mbps EMAC with integrated switch and IEEE 1588v2 hardware timestamping - enables precise synchronization across distributed I/O nodes in PLC backplanes. |
| Graphics Engine | PowerVR SGX530, 20M triangles/sec - renders WXGA (1366×768) displays with overlay, gamma correction, and partial refresh for low-power HMIs. |
| Package | 491-pin NFBGA (ZDN), 17 mm × 17 mm, 0.65-mm pitch - requires via-in-pad or channel-via routing for signal integrity in high-speed DDR and USB traces. |
Pinout & Package
AM4377BZDNA80 is housed in a 491-ball NFBGA (ZDN) package with 0.65-mm ball pitch and via-channel array technology optimized for cost-effective PCB routing. Pin functions are defined across 25 rows (A–AE) and 9 columns (1–9), with critical signals including dual USB 2.0 PHYs (USB0/USB1), two Ethernet MII/RGMII interfaces, six UARTs, five McSPIs, three I²C ports, QSPI, HDQ/1-Wire, and dual 8-channel ADC inputs multiplexed onto GPIO banks.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| USB0_DRVVBUS / USB1_DRVVBUS | USB VBUS Control Output | Drives external VBUS switches for dual-role USB host/device operation; requires 5-V tolerant buffer for OTG compliance. |
| mcasp0_axr0–mcasp0_axr3 | McASP Serial Data I/O | Four independent serial data pins per McASP port support TDM/I²S/SPDIF with 50-MHz clock - used for audio codec interfacing or digital sensor streaming. |
| adc0_in0–adc0_in7 / adc1_in0–adc1_in7 | Analog Input Multiplexer Inputs | Eight single-ended analog inputs per ADC; ADC0 inputs shared with GPIO5 bank and support resistive touch-screen scanning with built-in charge pump. |
| eHRPWMxA / eHRPWMxB | PWM Output Terminals | Six enhanced PWM modules provide dual-edge symmetric/asymmetric outputs with 16-bit time-base resolution - suitable for three-phase motor gate drive with dead-time insertion. |
| eQEP0_A / eQEP0_B / eQEP0_IDX | Quadrature Encoder Interface | Three 32-bit eQEP modules accept A/B/INDEX signals from rotary encoders; support index pulse capture and position latch on external trigger for motion control. |
Key Features
| Feature | Design Value |
|---|---|
| PRU-ICSS Industrial Protocol Offload | Enables concurrent EtherCAT slave + EnDat 2.2 master operation on separate PRU cores - eliminates ARM CPU scheduling latency for sub-100-µs cycle times. |
| Integrated Touch-Screen Controller | ADC0 configured as 4-/5-/8-wire TSC with on-chip charge pump and dithering - supports up to 1024×1024 resistive touch panels without external controller. |
| Dual Gigabit Ethernet with PTP | Hardware timestamping and IEEE 1588v2 PTP engine synchronized across both MACs - achieves ±50-ns clock skew for deterministic industrial networking. |
| Secure Boot Support | Available only on AM437xHS variants; AM4377BZDNA80 does not include secure boot - requires external authentication or software-based verification for firmware integrity. |
| Low-Power RTC Domain | Dedicated 32.768-kHz oscillator, battery-backed RTC_PWRONRSTn input, and RTC_WAKEUP pin - maintains timekeeping and wake-up capability during deep-sleep modes with <1 µA quiescent current. |
Applications
| Industrial PLC Backplane | Human-Machine Interface (HMI) |
|---|---|
Use Scenario: Distributed I/O module in modular PLC rack with synchronized motion control and fieldbus communication. IC Role / Device Role / Timing Role: AM4377BZDNA80 acts as central controller running Linux RT kernel, with PRU-ICSS handling EtherCAT slave timing and eQEP modules capturing encoder feedback for servo axis coordination. Use Value: Sub-100-µs EtherCAT cycle time and hardware PTP synchronization eliminate need for external timing ICs, reducing BOM count and board area by 30% versus dual-IC solutions. |
Use Scenario: Panel-mounted operator terminal with 7-inch WVGA display, capacitive/resistive touch overlay, and local data logging. IC Role / Device Role / Timing Role: AM4377BZDNA80 serves as HMI SoC: SGX530 renders GUI, ADC0 operates as TSC, and eHRPWM drives backlight dimming while UARTs interface with legacy machinery. Use Value: Integrated TSC and graphics engine reduce component count by 4 parts (touch controller, GPU, display controller, backlight driver), lowering system power to <1.8 W active. |
| Barcode Scanner Engine | Motor Drive Control Unit |
Use Scenario: High-speed handheld or fixed-mount barcode scanner requiring image capture, decoding, and USB/ethernet connectivity. IC Role / Device Role / Timing Role: AM4377BZDNA80 processes raw camera data via VPFE interface, runs decode algorithms on Cortex-A9, and manages dual USB 2.0 ports for host/device mode switching. Use Value: Dual McASP and QSPI interfaces enable direct connection to CMOS image sensors and fast boot from serial NOR flash - achieving <200-ms cold start time. |
Use Scenario: Compact 3-phase BLDC motor drive with current sensing, position feedback, and field-oriented control (FOC). IC Role / Device Role / Timing Role: AM4377BZDNA80 executes FOC algorithm on Cortex-A9 while ADC1 samples phase currents and eQEP0 tracks rotor position; eHRPWM outputs drive gate drivers. Use Value: Simultaneous 12-bit ADC sampling and 16-bit PWM update within single 10-µs control loop - enables >20-kHz switching frequency with <1% torque ripple. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ARM-based industrial processor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AM4379BZDNA100 | 1000-MHz Cortex-A9, identical PRU-ICSS and peripheral set, higher thermal envelope (−40°C to 90°C vs. −40°C to 105°C for AM4377) | Used where deterministic real-time throughput exceeds 800-MHz limit - e.g., multi-axis CNC with simultaneous EtherCAT + PROFINET bridging | Select AM4379BZDNA100 only if application requires >2500 MIPS peak compute; AM4377BZDNA80 offers better thermal margin in convection-cooled enclosures. |
| AM4376BZDNA80 | Same 800-MHz CPU and peripherals, but lacks SGX530 graphics engine and DSS display subsystem | Targeted at headless industrial controllers where GUI rendering is unnecessary - e.g., remote I/O concentrators or protocol gateways | Choose AM4376BZDNA80 to reduce cost by $3.20/unit when display output is unused; AM4377BZDNA80 retains full HMI capability without redesign. |
Compared with AM4379BZDNA100, AM4377BZDNA80 trades 200 MHz of CPU headroom for extended temperature range and lower junction temperature rise, while retaining identical PRU-ICSS real-time performance and graphics capability versus AM4376BZDNA80 - making it optimal for thermally constrained HMI and motion control edge devices.
Availability
AM4377BZDNA80 is available at Aetrix Electronics and suitable for industrial automation, human-machine interface (HMI), and programmable logic controller (PLC) applications requiring stable component supply, long-term lifecycle assurance, and traceable sourcing for safety-critical deployments.
Supply support for AM4377BZDNA80 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor company headquartered in Dallas, Texas, delivering analog and embedded processing solutions for industrial, automotive, and communications markets since 1930.
The AM437x family was designed to bridge the gap between microcontrollers and application processors - combining ARM Cortex-A9 performance with deterministic PRU-ICSS real-time subsystems for industrial Ethernet protocols, motor control, and rich graphical HMIs.
FAQ
What is the maximum operating frequency of the AM4377BZDNA80 processor core?
The AM4377BZDNA80 features an ARM Cortex-A9 processor core rated for operation at up to 800 MHz. This frequency is validated across the full industrial temperature range (−40°C to 105°C) and supports sustained execution of Linux-based real-time applications with NEON SIMD acceleration for signal processing tasks. The AM4377BZDNA80 does not support dynamic voltage and frequency scaling beyond this rated speed.
Does the AM4377BZDNA80 include hardware support for secure boot?
No, the AM4377BZDNA80 does not include hardware-enabled secure boot functionality. Secure boot is available only on AM437xHS (High-Security) variants, which feature dedicated cryptographic accelerators, secure ROM, and fuse-based key storage. The AM4377BZDNA80 provides crypto acceleration (AES, SHA, RNG) but relies on software-based authentication for firmware integrity verification.
How many analog-to-digital converter channels does the AM4377BZDNA80 support?
The AM4377BZDNA80 integrates two independent 12-bit successive approximation register (SAR) ADCs: ADC0 and ADC1. Each supports eight analog input channels multiplexed through an internal 8:1 analog switch, providing a total of 16 configurable analog inputs. ADC0 can be configured as a 4-/5-/8-wire resistive touch-screen controller, while ADC1 is optimized for general-purpose analog sensing in motor control and sensor fusion applications.
What industrial communication protocols are supported by the PRU-ICSS in the AM4377BZDNA80?
The PRU-ICSS subsystem in the AM4377BZDNA80 supports EtherCAT®, PROFINET®, EtherNet/IP™, PROFIBUS®, EnDat 2.2, and Sercos III through TI's industrial software development kit (SDK). These protocols execute deterministically on the dual 200-MHz PRU cores, independent of the ARM Cortex-A9, enabling sub-100-µs cycle times and hardware timestamping for synchronization across distributed nodes.
What package type and ball count does the AM4377BZDNA80 use?
The AM4377BZDNA80 uses a 491-ball NFBGA package with ZDN suffix, measuring 17 mm × 17 mm with 0.65-mm ball pitch. It employs via-channel array technology to simplify PCB routing for high-speed interfaces like DDR3, USB, and Ethernet. The package is RoHS-compliant and qualified for industrial temperature operation (−40°C to 105°C).
AM4377BZDNA80 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 491-LFBGA
- Series:
- Sitara™
- Packaging:
- Tray
- Product Status:
- Active
- Core Processor:
- ARM® Cortex®-A9
- Number of Cores/Bus Width:
- 1 Core, 32-Bit
- Speed:
- 800MHz
- Co-Processors/DSP:
- Multimedia; NEON™ SIMD
- RAM Controllers:
- LPDDR2, DDR3, DDR3L
- Graphics Acceleration:
- No
- Display & Interface Controllers:
- TSC, WXGA
- Ethernet:
- 10/100/1000Mbps (2)
- SATA:
- -
- USB:
- USB 2.0 + PHY (2)
- Voltage - I/O:
- 1.8V, 3.3V
- Operating Temperature:
- -40°C ~ 105°C (TJ)
- Grade:
- -
- Qualification:
- -
- Security Features:
- Crypto Accelerator
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 491-NFBGA (17x17)
- Additional Interfaces:
- CAN, HDQ/1-Wire, I2C, McASP, MMC/SD/SDIO, QSPI, SPI, SD/SDIO, UART
AM4377BZDNA80 FAQ
1.How can I place an order for AM4377BZDNA80 through Aetrix?
Please submit a Request for Quotation (RFQ) for AM4377BZDNA80 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for AM4377BZDNA80 reliable?
The price and inventory of AM4377BZDNA80 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AM4377BZDNA80 is usually 5 days.
3.What payment methods are accepted for AM4377BZDNA80?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AM4377BZDNA80 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AM4377BZDNA80?
AM4377BZDNA80 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AM4377BZDNA80 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for AM4377BZDNA80?
For technical support, including AM4377BZDNA80 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AM4377BZDNA80 requirements.
6.How does Aetrix verify that AM4377BZDNA80 is sourced from the original manufacturer or authorized distributors?
All AM4377BZDNA80 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that AM4377BZDNA80 meets industry standards.
7.What is the process for return or replacement of AM4377BZDNA80?
All AM4377BZDNA80 units undergo pre-shipment inspection (PSI). If there is an issue with AM4377BZDNA80, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The AM4377BZDNA80 part is unused and in its original packaging.
Return procedure for AM4377BZDNA80:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
AM4377BZDNA80 Tags
-
AT91SAM9260B-CU-999
Microchip Technology
-
AT91SAM9G25-CU
Microchip Technology
-
ATSAMA5D27C-CU
Microchip Technology
-
AT91SAM9X35-CU
Microchip Technology
-
AT91SAM9X25-CU
Microchip Technology
-
MCIMX6Y2CVM08AB
NXP Semiconductors
.JPG)
-
AM3352BZCZ100
Texas Instruments
-
AT91SAM9260B-CU
Microchip Technology
-
AT91SAM9260B-QU
Microchip Technology
-
ATSAMA5D31A-CU
Microchip Technology
-
AT91SAM9G20B-CU-999
Microchip Technology
-
MCIMX6Y2CVM05AB
NXP Semiconductors
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
