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NXP Semiconductors LPC2294HBD144/01,5
- Part No.:
- LPC2294HBD144/01,5
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
LPC2294HBD144/01,5.pdf
- Description:
- IC MCU 16/32B 256KB FLSH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,237
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Product details
Overview
LPC2294HBD144/01 from NXP Semiconductors is a 16/32-bit ARM7TDMI-S microcontroller in LQFP144 package, featuring 256 kB flash, 16 kB SRAM, four CAN channels, 8-channel 10-bit ADC (2.44 µs conversion), and operation up to 60 MHz via on-chip PLL. It targets automotive control units, industrial CAN gateways, and fault-tolerant maintenance bus systems requiring extended temperature range (−40 °C to +125 °C).
For engineers reviewing the LPC2294HBD144/01 datasheet, LPC2294HBD144/01 pinout, LPC2294HBD144/01 application, or LPC2294HBD144/01 equivalent, key selection criteria include its 4-CAN interface with advanced acceptance filters, Fast GPIO capability (3.5× faster toggling), 5 V-tolerant I/O pins (up to 112), and support for external memory interface with four banks.
Technical Context
The LPC2294HBD144/01 implements an ARM7TDMI-S core with embedded ICE-RT and trace interfaces for real-time debugging. Its memory subsystem uses a 128-bit wide interface and accelerator architecture enabling full 60 MHz 32-bit code execution.
Peripheral integration includes two 32-bit timers (four capture/compare channels each), six PWM outputs, RTC, watchdog, dual UARTs with fractional baud rate generators, Fast I²C (400 kbit/s), two SPIs, and a buffered SSP controller supporting SPI/SSI/Microwire - all accessible via configurable pin multiplexing through the Pin Connect Block.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM7TDMI-S, 16/32-bit RISC, supports Thumb mode for 30 % code size reduction |
| Max Clock Speed | 60 MHz via programmable on-chip PLL (100 µs settling time) |
| Memory | 256 kB on-chip flash (ISP/IAP capable); 16 kB SRAM; external memory interface with 4 banks (up to 16 MB/bank, 8/16/32-bit data width) |
| ADC | 8-channel 10-bit SAR ADC; 2.44 µs conversion time; inputs AIN0–AIN7 mapped to dedicated pins |
| CAN Interfaces | Four independent CAN 2.0B controllers with advanced acceptance filtering and dedicated TX/RX pins per channel |
| I/O Capability | Up to 112 GPIO pins; 5 V tolerant; Fast GPIO enables 3.5× faster pin toggling vs legacy LPC22xx |
| Operating Temperature | −40 °C to +125 °C - qualified for under-hood automotive and high-reliability industrial environments |
Pinout & Package
Package: LQFP144 (SOT486-1), plastic low profile quad flat package, 20 × 20 × 1.4 mm body, 144 leads.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P0[0]/TXD0/PWM1 | UART0 transmit / PWM output | Dedicated serial output and PWM signal path; TTL-level, 5 V tolerant |
| P0[27]–P0[30], P2[30]–P2[31], P3[28]–P3[29] | ADC input channels AIN0–AIN7 | Eight dedicated analog inputs with direct pin-to-ADC routing; digital section disabled when used as ADC |
| P0[21]/PWM5/RD3/CAP1[3] | CAN3 receive / PWM / timer capture | Multi-function pin supporting CAN3 RX (LPC2294 only), PWM5 output, and Timer 1 channel 3 capture |
| P0[12]/DSR1/MAT1[0]/RD4 | CAN4 receive / UART1 status / timer match | Enables fourth CAN channel (RD4) alongside UART1 handshake and Timer 1 match output |
| P1[28]–P1[31], P1[26] | JTAG debug interface | TDI, TDO, TCK, TMS, TRST, RTCK - full IEEE 1149.1 boundary-scan support with trace clock synchronization |
Key Features
| Feature | Design Value |
|---|---|
| Fast GPIO | Port pin toggle speed up to 3.5× faster than standard LPC22xx; enables high-frequency bit-banging and real-time I/O response |
| Dedicated ADC result registers | Reduces interrupt latency and CPU overhead during ADC conversions; supports burst-mode sampling without software register management |
| Fractional baud rate generator | Enables precise UART0/1 baud rates across wide clock ranges - critical for interoperability with legacy serial peripherals |
| SSP controller | Hardware-buffered serial peripheral supporting SPI, 4-wire SSI, and Microwire protocols - offloads CPU during sensor or memory interface operations |
| Diversified Code Read Protection (CRP) | Three security levels (CRP1–CRP3) prevent unauthorized flash readout while allowing selective ISP/IAP updates |
Applications
| Automotive Body Control Module | Industrial CAN Gateway |
|---|---|
Use Scenario: Centralized vehicle subsystem coordination including door locks, lighting, and HVAC using distributed CAN nodes. IC Role / Device Role / Timing Role: Main controller executing real-time task scheduling, CAN message routing, and PWM-driven actuator control. Use Value: Four integrated CAN controllers eliminate external transceivers and reduce BOM count; 125 °C rating ensures reliability in engine bay proximity. | Use Scenario: Protocol translation between CANopen, DeviceNet, and Modbus RTU networks in factory automation. IC Role / Device Role / Timing Role: Dual-role bridge: receives messages on one CAN port, processes payload, and forwards on second/third/fourth CAN bus with timestamped arbitration. Use Value: Advanced acceptance filters enable selective message routing without host CPU intervention; external memory interface supports large protocol stack buffers. |
| Fault-Tolerant Maintenance Bus | Medical Diagnostic Equipment |
Use Scenario: Redundant communication backbone for predictive maintenance sensors in power generation or rail infrastructure. IC Role / Device Role / Timing Role: Fault-monitoring node collecting vibration, temperature, and current data via ADC and GPIO, transmitting over dual CAN paths. Use Value: Eight 10-bit ADC channels with sub-2.5 µs conversion support high-speed sensor sampling; watchdog and RTC ensure deterministic recovery and event logging. | Use Scenario: Portable ultrasound or patient monitor with multi-sensor acquisition and CAN-based telemetry to central station. IC Role / Device Role / Timing Role: Real-time data aggregator: synchronizes analog inputs (ECG, SpO₂), formats packets, and transmits via CAN or UART to host system. Use Value: 5 V-tolerant I/O simplifies interface to legacy medical sensors; CRP security protects proprietary firmware and calibration data. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ARM7-based microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LPC2368FBD100 | 100-pin LQFP; 512 kB flash; USB 2.0 device; no CAN; 10-bit ADC (8 ch) | Lacks CAN interfaces; adds USB but removes automotive bus support | Select when USB connectivity outweighs CAN requirement and footprint allows LQFP100 |
| LPC2468FET180 | 180-pin TFBGA; 512 kB flash; USB 2.0 OTG; Ethernet MAC; 4 CAN; 10-bit ADC (8 ch) | Higher pin count, Ethernet + USB support; same CAN count but different package and thermal profile | Choose for networked industrial devices needing Ethernet + CAN coexistence; requires PCB redesign |
Compared with LPC2294HBD144/01, LPC2368FBD100 trades CAN for USB and higher flash density in smaller package, while LPC2468FET180 extends connectivity with Ethernet and USB OTG at cost of larger footprint and no extended temperature grade.
Availability
LPC2294HBD144/01 is available at Aetrix Electronics and suitable for automotive control units, industrial CAN gateways, and fault-tolerant maintenance buses requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for LPC2294HBD144/01 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
NXP Semiconductors is a global semiconductor company specializing in secure connectivity solutions for automotive, industrial, and IoT applications.
The LPC2294HBD144/01 belongs to the LPC2000 ARM7-based microcontroller family, designed specifically for real-time embedded control in harsh environments where CAN networking, analog sensing, and extended temperature operation are essential.
FAQ
What is the maximum operating temperature specification for the LPC2294HBD144/01?
The LPC2294HBD144/01 is rated for operation from −40 °C to +125 °C. This extended temperature range is explicitly defined in Table 2 of the datasheet and qualifies the device for under-hood automotive applications and high-ambient industrial environments where thermal stability is critical. The LPC2294HBD144/01 achieves this via process and packaging optimizations distinct from the −40 °C to +85 °C variants like the LPC2292 series.
Does the LPC2294HBD144/01 support In-System Programming (ISP)?
Yes, the LPC2294HBD144/01 supports full In-System Programming via its on-chip bootloader. It enables single-sector or full-chip flash erase in 400 ms and 256-byte programming in 1 ms, using UART0 or USB (via external interface). This capability is confirmed in Section 2.2 and allows field firmware updates without removing the LPC2294HBD144/01 from the target board.
How many CAN interfaces does the LPC2294HBD144/01 provide, and are they fully independent?
The LPC2294HBD144/01 provides four fully independent CAN 2.0B controllers, each with dedicated TX/RX pins and advanced acceptance filtering logic. Unlike the LPC2292 (2 CAN), the LPC2294HBD144/01 routes RD1/TD1 through P0[25]/P0[24], RD2/TD2 through P0[23]/P0[24], RD3/TD3 through P0[22]/P0[21], and RD4/TD4 through P0[12]/P0[13] - confirming hardware separation per channel as stated in Sections 2.2 and 5.2.
What distinguishes the /01 suffix in LPC2294HBD144/01 from /00 or no-suffix variants?
The /01 suffix indicates inclusion of Fast GPIO and SSP controller enhancements. As specified in Table 2 and Section 2.1, LPC2294HBD144/01 supports 3.5× faster GPIO toggling and hardware-buffered SSP (SPI/SSI/Microwire), whereas LPC2294HBD144/00 lacks these features. Both share identical flash, RAM, CAN count, and temperature range.
Can the LPC2294HBD144/01's ADC operate simultaneously across all eight channels?
No - the LPC2294HBD144/01's 8-channel 10-bit ADC uses a single SAR converter with multiplexed inputs. While all eight analog inputs (AIN0–AIN7) are physically present and independently routable, conversions occur sequentially under software or timer trigger control. Simultaneous sampling is not supported; burst mode allows rapid sequential acquisition but not true parallel conversion.
LPC2294HBD144/01,5 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 144-LQFP
- Series:
- LPC2200
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- ARM7®
- Core Size:
- 16/32-Bit
- Speed:
- 60MHz
- Connectivity:
- CANbus, EBI/EMI, I2C, Microwire, SPI, SSI, SSP, UART/USART
- Peripherals:
- POR, PWM, WDT
- Number of I/O:
- 112
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 16K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.65V ~ 3.6V
- Data Converters:
- A/D 8x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
LPC2294HBD144/01,5 FAQ
1.How can I place an order for LPC2294HBD144/01,5 through Aetrix?
Please submit a Request for Quotation (RFQ) for LPC2294HBD144/01,5 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 LPC2294HBD144/01,5 reliable?
The price and inventory of LPC2294HBD144/01,5 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LPC2294HBD144/01,5 is usually 5 days.
3.What payment methods are accepted for LPC2294HBD144/01,5?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LPC2294HBD144/01,5 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LPC2294HBD144/01,5?
LPC2294HBD144/01,5 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LPC2294HBD144/01,5 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 LPC2294HBD144/01,5?
For technical support, including LPC2294HBD144/01,5 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LPC2294HBD144/01,5 requirements.
6.How does Aetrix verify that LPC2294HBD144/01,5 is sourced from the original manufacturer or authorized distributors?
All LPC2294HBD144/01,5 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 LPC2294HBD144/01,5 meets industry standards.
7.What is the process for return or replacement of LPC2294HBD144/01,5?
All LPC2294HBD144/01,5 units undergo pre-shipment inspection (PSI). If there is an issue with LPC2294HBD144/01,5, 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 LPC2294HBD144/01,5 part is unused and in its original packaging.
Return procedure for LPC2294HBD144/01,5:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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