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Infineon Technologies CY9BF329TABGL-GK7E1
- Part No.:
- CY9BF329TABGL-GK7E1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 192-LFBGA
- Datasheet:
-
CY9BF329TABGL-GK7E1.pdf
- Description:
- IC MCU 32B 1.5625MB FLSH 192FBGA
- Quantity:
- Payment:
- Shipping:
Inventory:1,363
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Product details
Overview
CY9BF329TABGL-GK7E1 from Infineon Technologies (formerly Cypress) is a 32-bit Arm® Cortex®-M3 microcontroller with 1.5 MB dual-bank Flash, 192 KB SRAM, USB 2.0 Full-Speed Device/Host interface, 24-channel 12-bit ADC, and 2-channel 10-bit DAC - deployed in industrial motor control, HVAC systems, and smart metering where low-power operation and peripheral integration are critical.
For engineers reviewing the CY9BF329TABGL-GK7E1 datasheet, CY9BF329TABGL-GK7E1 pinout, CY9BF329TABGL-GK7E1 application, or CY9BF329TABGL-GK7E1 equivalent, key selection factors include its 60 MHz CPU frequency, dual-bank Flash for safe firmware updates, integrated USB PHY with built-in PLL, 176-pin LQFP package with 154 GPIOs, and six low-power modes including Deep Standby RTC with RAM retention.
Technical Context
The CY9BF329TABGL-GK7E1 implements an Arm Cortex-M3 r2p1 core operating up to 60 MHz with NVIC supporting 48 peripheral interrupts and 16 priority levels. It integrates dual-bank Flash enabling simultaneous read/execute and write operations - essential for over-the-air (OTA) firmware updates without system interruption.
Its peripheral set includes a multi-function serial interface supporting UART, CSIO, LIN 2.1, and I²C across 16 channels; a DMA controller with 8 independent channels; and dedicated motor-control blocks including PWM timers, dead-time insertion, and QPRC for encoder position tracking - all coordinated via shared memory-mapped registers and interrupt vectors.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M3 r2p1, 60 MHz max - enables deterministic real-time execution with Thumb-2 instruction set and hardware divide. |
| Flash Memory | 1.5 MB dual-bank (1008 KB + 512 KB ROM0/ROM1 + 16 KB lower bank) - supports background programming and secure code protection. |
| SRAM | 192 KB total (96 KB SRAM0 on I/D bus + 96 KB SRAM1 on system bus) - allows parallel CPU and DMA access without contention. |
| ADC | 24-channel 12-bit SAR ADC, 1.0 μs conversion @ 2.7–5.5 V - delivers high-speed sampling for closed-loop motor current sensing. |
| USB Interface | USB 2.0 Full-Speed Device/Host with integrated PHY and PLL - eliminates external clock generator and reduces BOM cost. |
| Low-Power Modes | Six modes including Deep Standby RTC with configurable RAM retention - extends battery life in metering and sensor gateway applications. |
| Package | 176-pin LQFP (24 × 24 mm, 0.5 mm pitch) - provides 154 GPIOs with 5V-tolerant capability on selected pins for mixed-voltage interfacing. |
Pinout & Package
Package: 176-pin LQFP (24 × 24 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3 (MSL3).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual power domains: VCC (2.7–5.5 V) for core/peripherals; USBVCC (3.0–3.6 V) required only when USB is active. |
| XTAL / EXTAL | Main clock oscillator input/output | Accepts 4–48 MHz crystal or external clock source - feeds main PLL for CPU and peripheral clock generation. |
| OSC32K / OSC32KOUT | 32.768 kHz sub-clock input/output | Drives RTC and wake-up timer in STOP/Deep Standby modes - enables calendar timekeeping during ultra-low-power states. |
| USB_DP / USB_DM | USB 2.0 differential data lines | Integrated full-speed transceiver with internal termination - requires no external resistors or PHY IC. |
| PA0–PA15, PB0–PB15, etc. | Multi-function GPIO | 154 total high-speed I/Os with port relocation, pull-up control, and direct pin-level read - simplifies PCB layout and firmware pin mapping. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank Flash architecture | Enables seamless firmware updates: execute from Bank A while programming Bank B - zero downtime in field-deployed devices. |
| Integrated USB PHY + PLL | Eliminates need for external 48 MHz crystal or USB clock generator - reduces component count and EMI risk in compact designs. |
| QPRC (Quadrature Position/Revolution Counter) | Hardware-accelerated 16-bit position + 16-bit revolution counting with configurable A/B/Z input edges - offloads encoder processing from CPU in motor drives. |
| Hardware CRC accelerator | Offloads CCITT CRC16 and IEEE-802.3 CRC32 computation - accelerates firmware integrity checks and communication frame validation. |
| Two independent watchdogs | Hardware watchdog (CR oscillator clocked) remains active in all low-power modes except RTC/STOP - ensures fail-safe recovery even during deep sleep. |
Applications
| Industrial Motor Control | HVAC System Controller |
|---|---|
Use Scenario: Closed-loop control of BLDC/PMSM motors using FOC algorithms with real-time current sensing and PWM generation. IC Role / Device Role / Timing Role: Main system controller executing motor control firmware, managing ADC sampling, PWM output timing, and encoder feedback via QPRC. Use Value: Integrated 24-channel ADC, multi-channel PWM timers with dead-time insertion, and 60 MHz deterministic execution reduce external component count and improve control loop latency. | Use Scenario: Centralized control unit managing compressors, fans, valves, and environmental sensors in commercial HVAC units. IC Role / Device Role / Timing Role: System-on-chip host managing temperature/humidity sensing, relay/valve actuation, and CAN/LIN communication to subsystems. Use Value: 16-channel multi-function serial interface supports simultaneous LIN (for actuators) and UART (for sensors), while 154 GPIOs simplify discrete I/O expansion. |
| Smart Electricity Meter | Building Automation Gateway |
Use Scenario: Revenue-grade metering with metrology ASIC interface, tamper detection, and secure firmware updates over PLC or RF. IC Role / Device Role / Timing Role: Secure application processor handling communication stack, OTA update management, and RTC-backed event logging. Use Value: Dual-bank Flash enables verified firmware swap; Deep Standby RTC with RAM retention preserves meter state during power loss; LVD2 reset prevents corrupted flash writes. | Use Scenario: Edge gateway aggregating BACnet MS/TP, KNX, and Modbus RTU devices into IP-based building management systems. IC Role / Device Role / Timing Role: Protocol translation hub with multiple UARTs, I²C for local sensor fusion, and USB Host for configuration dongles or diagnostics. Use Value: USB Host + Device dual-mode allows field technician plug-in via USB-C cable while simultaneously hosting USB-to-serial adapters for legacy fieldbus interfaces. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 32-bit Arm Cortex-M3 microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32F207ZGT6 | 1 MB Flash, 128 KB SRAM, no dual-bank Flash; USB OTG HS/FS with external PHY required; no integrated LIN or HDMI-CEC. | Lacks native LIN and HDMI-CEC peripherals - requires external transceivers for automotive body control or AV equipment control. | Select if Ethernet MAC + PHY integration is required and dual-bank Flash is not mandatory. |
| RA4M1 (R7FA4M1AB3CFM) | 256 KB Flash, 32 KB SRAM, 48 MHz max; no USB Host; no QPRC; supports TrustZone but no hardware CRC accelerator. | Lower peripheral integration - lacks USB Host, QPRC, and dual-bank Flash - limits suitability for motor control or OTA-capable gateways. | Select for cost-sensitive, security-focused applications where USB Host and encoder interfaces are unnecessary. |
Compared with STM32F207ZGT6 and RA4M1, CY9BF329TABGL-GK7E1 uniquely combines dual-bank Flash, USB Host/Device with integrated PHY, LIN 2.1, QPRC, and hardware CRC - making it optimal for field-upgradable industrial controllers requiring mixed-protocol connectivity and motor feedback.
Availability
CY9BF329TABGL-GK7E1 is available at Aetrix Electronics and suitable for industrial motor control, HVAC system controllers, smart electricity meters, and building automation gateways requiring stable component supply across extended product lifecycles.
Supply support for CY9BF329TABGL-GK7E1 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
Infineon Technologies is a German semiconductor leader specializing in power management, automotive MCUs, and security solutions - formed through the acquisition of Cypress Semiconductor in 2020.
This device belongs to the FM3 family of high-integration 32-bit microcontrollers designed for cost-sensitive, low-power industrial control applications - emphasizing peripheral richness, Flash reliability, and mixed-signal capability in single-chip solutions.
FAQ
What is the maximum operating frequency and supported voltage range?
The CY9BF329TABGL-GK7E1 operates at up to 60 MHz with a supply voltage range of 2.7 V to 5.5 V on VCC. USB functionality requires USBVCC between 3.0 V and 3.6 V when active; otherwise, USBVCC may be tied to VCC. The device supports wide-voltage operation to accommodate diverse industrial power rails and battery-backed systems.
Does this MCU support firmware updates without interrupting operation?
Yes - its dual-bank Flash architecture (1008 KB + 512 KB ROM0/ROM1) allows one bank to run active firmware while the other is reprogrammed. Combined with the NVIC and software reset vector remapping, this enables atomic, zero-downtime firmware updates - critical for unattended industrial equipment and remote metering systems.
Is USB Host mode functional without external components?
Yes - the MCU integrates a full-speed USB 2.0 transceiver with internal termination resistors and a dedicated USB PLL. No external crystal, PHY, or resistors are needed for USB Device or Host operation, reducing bill-of-materials and board space - confirmed in the "USB Interface" section of the official datasheet (002-05665 Rev. *F).
How many GPIOs are available and what I/O voltage tolerance do they support?
The CY9BF329TABGL-GK7E1 provides up to 154 general-purpose I/O pins in its 176-pin LQFP package. Selected pins are 5V-tolerant when configured as inputs - verified in the "I/O Circuit Type" table (Section 5) and "List of Pin Functions" (Section 4) of the datasheet - enabling direct interfacing with 5V logic and legacy industrial sensors without level shifters.
CY9BF329TABGL-GK7E1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 192-LFBGA
- Series:
- FM3 MB9B320TA
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M3
- Core Size:
- 32-Bit Single-Core
- Speed:
- 60MHz
- Connectivity:
- CSIO, EBI/EMI, I2C, LINbus, UART/USART, USB
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 154
- Program Memory Size:
- 1.5625MB (1.5625M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 192K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 24x12b; D/A 2x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY9BF329TABGL-GK7E1 FAQ
1.How can I place an order for CY9BF329TABGL-GK7E1 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9BF329TABGL-GK7E1 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 CY9BF329TABGL-GK7E1 reliable?
The price and inventory of CY9BF329TABGL-GK7E1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY9BF329TABGL-GK7E1 is usually 5 days.
3.What payment methods are accepted for CY9BF329TABGL-GK7E1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9BF329TABGL-GK7E1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9BF329TABGL-GK7E1?
CY9BF329TABGL-GK7E1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9BF329TABGL-GK7E1 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 CY9BF329TABGL-GK7E1?
For technical support, including CY9BF329TABGL-GK7E1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9BF329TABGL-GK7E1 requirements.
6.How does Aetrix verify that CY9BF329TABGL-GK7E1 is sourced from the original manufacturer or authorized distributors?
All CY9BF329TABGL-GK7E1 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 CY9BF329TABGL-GK7E1 meets industry standards.
7.What is the process for return or replacement of CY9BF329TABGL-GK7E1?
All CY9BF329TABGL-GK7E1 units undergo pre-shipment inspection (PSI). If there is an issue with CY9BF329TABGL-GK7E1, 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 CY9BF329TABGL-GK7E1 part is unused and in its original packaging.
Return procedure for CY9BF329TABGL-GK7E1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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