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Infineon Technologies CY7C53120E4-40AXIT
- Part No.:
- CY7C53120E4-40AXIT
- Manufacturer:
- Infineon Technologies
- Category:
- Application Specific Microcontrollers
- Package:
- 44-LQFP
- Datasheet:
-
CY7C53120E4-40AXIT.pdf
- Description:
- IC PROCESSOR NEURON 44LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,168
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Product details
Overview
CY7C53120E4-40AXIT from Cypress Semiconductor is a Neuron network processor IC implementing a full LonWorks node on-chip, featuring three 8-bit pipelined processors, 4096 bytes of Flash memory, 12 KB ROM containing LonTalk protocol firmware, and operation up to 40 MHz at 5.0 V over –40°C to +85°C. It integrates MAC, application, and communications processors with a 5-pin configurable communication port for twisted-pair, powerline, or RF transceivers in building automation systems.
For engineers reviewing the CY7C53120E4-40AXIT datasheet, CY7C53120E4-40AXIT pinout, CY7C53120E4-40AXIT application, or CY7C53120E4-40AXIT equivalent, key selection considerations include its 40 MHz clock capability, 4096-byte on-chip Flash, 12 KB embedded LonTalk ROM, 11-pin programmable I/O port, and differential communication port support for industrial control networks.
Technical Context
The CY7C53120E4-40AXIT implements the complete LonTalk protocol stack in 12 KB of factory-programmed ROM and executes user applications from 4096 bytes of on-chip Flash memory. Its triple-processor architecture separates application logic, network traffic handling, and media access control tasks concurrently.
The 5-pin CP0–CP4 communication port supports three modes: single-ended, special-purpose, and differential - the latter enabling robust noise-immune signaling via programmable hysteresis (0–7 levels) and glitch filtering (0–3 settings), with absolute asymmetry ≤400 ns at highest filter setting.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Max Clock Frequency | 40 MHz - Enables real-time LonTalk frame processing at full 1.25 Mbps data rate without external timing constraints. |
| Flash Memory | 4096 bytes - Stores full user application code and configuration; supports in-system updates over LonWorks network. |
| ROM Size | 12 KB - Contains complete LonTalk protocol firmware (OSI Layers 1–7); no external firmware loading required. |
| SRAM | 2048 bytes - Buffers inbound/outbound network packets, system variables, and application runtime data. |
| I/O Port | 11 pins - Programmable in 34 modes; I/O0–I/O3 sink 20 mA; I/O4–I/O7 feature configurable pull-ups. |
| Operating Voltage | 5.0 V ±5% - Compatible with standard industrial logic rails; includes on-chip LVD circuit tripping at 4.1 V ±0.3 V. |
| Temperature Range | –40°C to +85°C - Qualified for deployment in HVAC controllers, lighting systems, and factory floor nodes. |
Pinout & Package
CY7C53120E4-40AXIT is packaged in a 44-pin TQFP (7 mm × 7 mm, 0.8 mm pitch) with exposed thermal pad. All VDD (pins 9,10,19,29,38,41) and VSS (pins 7,13,16,26,37) pins must be externally shorted for stable power delivery and thermal management.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CLK1 (Pin 15) | Input | Accepts external 40 MHz clock signal; oscillator input if CLK2 is used; requires stable clock before release from RESET. |
| CLK2 (Pin 14) | Output | Drives crystal oscillator; left open when external clock applied to CLK1; drives single load only. |
| RESET (Pin 40) | I/O (built-in pull-up) | Active-low reset; external capacitance limited to 100–1000 pF to ensure proper deassertion timing. |
| SERVICE (Pin 5) | I/O (configurable pull-up) | Active-low service pin toggling at 76 Hz; used for node commissioning, diagnostics, and firmware download initiation. |
| CP0–CP4 (Pins 20,21,18,24,25) | Bidirectional comms port | Configurable 5-pin interface supporting differential Manchester encoding; CP0/CP1 = receiver, CP2/CP3 = driver, CP4 = frame clock in special mode. |
| I/O0–I/O3 (Pins 4,3,2,43) | I/O (20 mA sink) | Dedicated high-drive outputs; Timer/Counter 1 output routed to I/O0, Timer/Counter 2 output to I/O1. |
| I/O4–I/O7 (Pins 42,36,35,32) | I/O (configurable pull-up) | Timer/Counter 1 input selectable from I/O4–I/O7; Timer/Counter 2 input sourced from I/O4. |
| I/O8–I/O10 (Pins 31,30,27) | I/O | General-purpose serial I/O under firmware control; usable for UART emulation or custom protocols. |
Key Features
| Feature | Design Value |
|---|---|
| Triple 8-bit pipelined processors | Enables concurrent execution of application logic, network packet handling, and MAC-layer operations without software scheduling overhead. |
| Programmable hysteresis (8 levels) | Adjusts receiver sensitivity from 19 mV to 270 mV (VDD-based), optimizing noise immunity for varying transceiver signal integrity. |
| Differential Manchester encoding support | Ensures DC-balanced, self-clocking data transmission across twisted-pair and powerline media without external line drivers. |
| On-chip LVD circuit | Prevents Flash corruption during brown-out events by halting write cycles when VDD drops below 4.1 V ±0.3 V. |
| Flash endurance optimization | Firmware aggregates writes to 8 consecutive addresses into one physical erase/write cycle, reducing wear by up to 8× for block updates. |
Applications
| Building Automation Controller | Industrial Lighting Node |
|---|---|
|
Use Scenario: Distributed HVAC zone controller communicating via twisted-pair LonWorks network to central BMS. IC Role / Device Role / Timing Role: Full LonWorks node executing application logic, managing sensor inputs, actuating dampers/valves, and maintaining network timing via internal 40 MHz clock. Use Value: Eliminates need for external protocol stack or microcontroller; 4096-byte Flash stores complex zoning algorithms and fault logs locally. |
Use Scenario: Smart LED streetlight node with photocell, motion detection, and remote dimming via powerline LonWorks. IC Role / Device Role / Timing Role: Network processor handling powerline transceiver interface, light-level sampling, and synchronized group dimming commands. Use Value: Differential CP port tolerates high EMI on powerlines; 12 KB ROM ensures deterministic LonTalk response latency <100 μs. |
| Energy Meter Gateway | Fire Alarm Panel Interface |
|
Use Scenario: Submeter aggregation unit collecting kWh data from Modbus meters and publishing to LonWorks backbone. IC Role / Device Role / Timing Role: Protocol gateway bridging Modbus RTU to LonTalk; uses I/O0–I/O3 for RS-485 control and CP port for network uplink. Use Value: 2048-byte SRAM buffers burst meter reads; 40 MHz clock enables fast CRC computation and frame assembly for 1.25 Mbps throughput. |
Use Scenario: Fire alarm control panel module interfacing smoke detectors and notification appliances over twisted-pair LonWorks. IC Role / Device Role / Timing Role: Safety-critical LonWorks node with watchdog supervision, LVD-protected Flash writes, and deterministic message prioritization. Use Value: On-chip LVD prevents corrupted alarm state storage during voltage sag; unique 48-bit ID enables unambiguous device identification in life-safety networks. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LonWorks network processor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY7C53120E2-10AXIT | 10 MHz max clock, 2048-byte Flash, 10 KB ROM, 32-pin SOIC package | Limited to lower-speed control nodes (e.g., simple thermostats); lacks 4096-byte code space for advanced diagnostics | Select when cost-sensitive designs require basic LonWorks functionality without high-speed timing or large application footprint. |
| CY7C53150-20AI | 20 MHz max clock, 512-byte Flash, no on-chip ROM (requires external firmware), 64-pin TQFP, external memory interface | Requires external EPROM/Flash for LonTalk firmware; suited for legacy replacements with off-chip memory expansion | Choose only when migrating from MC143150Bx or needing >58 KB external address space; adds board complexity and boot dependency. |
Compared with CY7C53120E2-10AXIT, the CY7C53120E4-40AXIT delivers 4× clock speed and double Flash capacity for real-time analytics; versus CY7C53150-20AI, it eliminates external firmware dependencies and reduces BOM count while offering higher integration and deterministic boot.
Availability
CY7C53120E4-40AXIT is available at Aetrix Electronics and suitable for building automation controllers, industrial lighting nodes, energy meter gateways, and fire alarm panel interfaces requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for CY7C53120E4-40AXIT 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
Cypress Semiconductor (now part of Infineon Technologies) is a fabless semiconductor company specializing in programmable system-on-chip solutions for industrial, automotive, and IoT applications.
The CY7C53120E4-40AXIT belongs to Cypress's Neuron Chip family, designed specifically for interoperable, self-healing distributed control networks compliant with ANSI/EIA 709.1 and ISO/IEC 14908 standards.
FAQ
What is the role of the SERVICE pin during network commissioning?
The SERVICE pin operates as an active-low, 76-Hz toggle signal used to initiate node discovery, firmware download, and network variable binding. When asserted during power-up, it places the device in "service mode," enabling external tools to assign its unique 48-bit ID and configure network variables without preprogramming.
Can the CY7C53120E4-40AXIT operate with a 3.3 V supply?
No. The CY7C53120E4-40AXIT is specified exclusively for 5.0 V ±5% operation. Its internal LVD circuit, Flash charge pump, and I/O drive strength are calibrated for 5 V; operation below 4.75 V may cause undefined behavior or nonvolatile memory corruption.
How does the Flash memory endurance enhancement work in practice?
The onboard firmware detects identical byte values before writing and skips physical programming. For multi-byte updates (e.g., 4 KB firmware download), version 13.1+ firmware groups eight sequential addresses into one erase/write cycle, reducing total cycles from 4096 to 512 - extending effective Flash lifetime beyond 100,000 field updates.
Is the 44-pin TQFP package RoHS-compliant and lead-free?
Yes. The CY7C53120E4-40AXIT carries the "XIT" suffix indicating lead-free, RoHS-compliant packaging per JEDEC J-STD-020 moisture sensitivity level 3, with peak reflow temperature of 260°C and compatible with standard Pb-free soldering profiles.
CY7C53120E4-40AXIT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- Neuron®
- Package/Case:
- 44-LQFP
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Applications:
- Network Processor
- Core Processor:
- Pipelined
- Program Memory Type:
- FLASH (4kB), ROM (12kB)
- Controller Series:
- CY7C531xx
- RAM Size:
- 2K x 8
- Interface:
- Serial
- Number of I/O:
- 11
- Voltage - Supply:
- 4.5V ~ 5.5V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 44-TQFP (10x10)
CY7C53120E4-40AXIT FAQ
1.How can I place an order for CY7C53120E4-40AXIT through Aetrix?
Please submit a Request for Quotation (RFQ) for CY7C53120E4-40AXIT 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 CY7C53120E4-40AXIT reliable?
The price and inventory of CY7C53120E4-40AXIT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY7C53120E4-40AXIT is usually 5 days.
3.What payment methods are accepted for CY7C53120E4-40AXIT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY7C53120E4-40AXIT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY7C53120E4-40AXIT?
CY7C53120E4-40AXIT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY7C53120E4-40AXIT 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 CY7C53120E4-40AXIT?
For technical support, including CY7C53120E4-40AXIT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY7C53120E4-40AXIT requirements.
6.How does Aetrix verify that CY7C53120E4-40AXIT is sourced from the original manufacturer or authorized distributors?
All CY7C53120E4-40AXIT 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 CY7C53120E4-40AXIT meets industry standards.
7.What is the process for return or replacement of CY7C53120E4-40AXIT?
All CY7C53120E4-40AXIT units undergo pre-shipment inspection (PSI). If there is an issue with CY7C53120E4-40AXIT, 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 CY7C53120E4-40AXIT part is unused and in its original packaging.
Return procedure for CY7C53120E4-40AXIT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
CY7C53120E4-40AXIT Tags
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