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NXP Semiconductors PXAS30KFA,512
- Part No.:
- PXAS30KFA,512
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 68-LCC (J-Lead)
- Datasheet:
-
PXAS30KFA,512.pdf
- Description:
- IC MCU 16BIT ROMLESS 68PLCC
- Quantity:
- Payment:
- Shipping:
Inventory:1,289
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Product details
Overview
PXAS30KFA,512 from NXP Semiconductors is a 16-bit OTP-based microcontroller with 32 KB on-chip program memory, 1 KB RAM, 8-channel 8-bit A/D converter (10-bit mode supported), dual UARTs, I²C interface, and 30 MHz operation across –40°C to +85°C industrial temperature range in 68-pin PLCC package. It targets embedded control systems requiring analog sensing, serial communication, and external memory expansion up to 16 MB.
For engineers reviewing the PXAS30KFA,512 datasheet, PXAS30KFA,512 pinout, PXAS30KFA,512 application, or PXAS30KFA,512 equivalent, key selection considerations include its industrial-grade OTP configuration, 68-pin PLCC footprint, 8-bit/10-bit ADC timing flexibility, dual UART baud rate independence, and external bus interface with 24-bit addressing capability.
Technical Context
The PXAS30KFA,512 implements the XA CPU core with extended architecture features including 24-bit external address bus support (via P0–P6), programmable counter array (PCA) with five 16-bit modules, and watchdog timer with reset source register (RSTSRC) for cause identification. Its memory map separates 32 KB on-chip code space from up to 16 MB off-chip addressing.
Peripherals are tightly integrated: Port 5 serves dual role as A/D inputs (AD0–AD7) and I²C signals (SCL/SDA); Port 3 provides UART0 (RxD0/TxD0), external interrupts (INT0/INT1), and bus strobes (WRL/RD); Timer 2 supports capture/compare with T2EX direction control; and PCA modules enable precise PWM, input capture, and software timers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit XA CPU with 24-bit external address bus support and 80C51-compatible instruction set extension. |
| Memory | 32 KB on-chip OTP program memory; 1 KB on-chip RAM; up to 16 MB external program/data memory via multiplexed address/data bus. |
| A/D Converter | 8-channel 8-bit SAR ADC with 10-bit mode; conversion time 4.46 µs at 30 MHz; AVREF± and AVDD/AVSS required for operation. |
| Serial Interfaces | Dual UARTs (UART0/UART1) with independent baud rate generators; I²C master/slave interface on P5.6/P5.7 with status vector register (I2STAT). |
| Timers & PCA | Three standard 16-bit timers/counters (T0/T1/T2); five-channel 16-bit Programmable Counter Array (PCA) with capture, compare, PWM, and reload functions. |
| Operating Range | 2.7 V–5.5 V supply; –40°C to +85°C industrial temperature grade; 30 MHz max clock frequency with internal oscillator or external crystal (XTAL1/XTAL2). |
| I/O & Packaging | 50 general-purpose I/O pins across six ports (P0–P6), each configurable in four output modes; 68-pin PLCC (SOT188-2) package with lead-free finish. |
Pinout & Package
Package: 68-pin Plastic Leaded Chip Carrier (PLCC), SOT188-2, lead-free, industrial temperature grade (–40°C to +85°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD (pins 2, 21, 54) | Power Supply | Main digital power rail (2.7–5.5 V); multiple pins ensure low-impedance distribution and noise immunity. |
| VSS (pins 1, 20, 55) | Ground Reference | Digital ground return; distributed across package corners to minimize ground bounce during high-speed I/O switching. |
| RST (pin 50) | Reset Input | Active-low asynchronous reset; initiates hardware initialization and forces all peripherals and I/O to default states. |
| RSTOUT (pin 19) | Reset Status Output | Drives low during any reset event (external, watchdog, or RESET instruction); enables system-level fault logging. |
| XTAL1/XTAL2 (pins 68/67) | Oscillator Interface | Connects to external crystal or ceramic resonator; XTAL1 is inverter input, XTAL2 is output; defines system clock base. |
| P5.0–P5.7 (pins 17–20, 22–25) | Analog/Digital I/O | AD0–AD7 inputs with shared I²C (SCL/SDA) functionality; require high-impedance configuration before A/D use. |
| P3.0/P3.1 (pins 3/4) | UART0 Interface | RxD0 (input) and TxD0 (output) for primary serial communication; compatible with RS-232 level shifters. |
| P1.4/P1.5 (pins 36/37) | UART1 Interface | RxD1 (input) and TxD1 (output) for secondary serial channel; independent baud rate generator enables simultaneous multi-protocol operation. |
| P0.0–P0.7 (pins 45, 46, 51–53, 56–58) | Multiplexed Bus I/O | Low-order address/data bus (A4–A11/D0–D7) when external memory is enabled; quasi-bidirectional mode simplifies glue logic. |
| P2.0–P2.7 (pins 58, 59, 61–66) | High-Order Address Bus | A12–A19 outputs in 16-bit external bus mode; configurable in 4-bit groups for flexible 8-bit/16-bit data bus width selection. |
| P4.6/P4.7 (pins 9/10) | Address Extension | A20/A21 outputs; combined with P6.0/P6.1 (A22/A23), enables full 24-bit addressing for 16 MB memory space. |
| CLKOUT (pin 49) | Clock Distribution | Buffered CPU clock output; used to synchronize external WAIT-state generators or logic analyzers without loading internal oscillator. |
Key Features
| Feature | Design Value |
|---|---|
| Industrial Temperature OTP MCU | Guaranteed operation from –40°C to +85°C with one-time-programmable code storage-ideal for automotive body control, industrial PLCs, and metering where field reprogramming is unnecessary. |
| Configurable A/D Timing | ADCFG register allows dynamic adjustment of sampling/conversion cycles per oscillator frequency-enables consistent 8-bit or 10-bit accuracy across varying clock speeds (e.g., 12 MHz vs. 30 MHz). |
| Dual Independent UARTs | Separate baud rate generators for UART0 and UART1 allow concurrent communication with different protocols (e.g., Modbus RTU + ASCII debug) without software overhead or timing conflict. |
| Five-Channel PCA | Each PCA module supports edge-triggered capture, software-timed PWM, or auto-reload compare-replaces discrete timers in motor control, LED dimming, and pulse-width measurement applications. |
| Reset Source Identification | RSTSRC register bits (R_EXT, R_WD, R_CMD) report last reset cause in firmware-eliminates need for external diagnostic circuitry in safety-critical or remote-monitoring systems. |
| External Bus Flexibility | BCR and BTRH/BTRL registers configure bus width (8/16-bit), wait states, and ALE timing-supports diverse memory types (SRAM, EPROM, flash) without hardware redesign. |
Applications
| Industrial Sensor Node | Smart Energy Meter |
|---|---|
Use Scenario: Standalone environmental monitoring unit collecting temperature, humidity, and pressure via analog sensors in factory-floor enclosures. IC Role / Device Role / Timing Role: Central controller executing sensor polling, linearization, local display update, and RS-485 data transmission using UART0. Use Value: Integrated 8-channel A/D eliminates external ADC IC; industrial temp grade ensures reliability at 70°C ambient; OTP prevents firmware tampering in unattended deployment. | Use Scenario: Residential electricity meter with kWh accumulation, tamper detection, and HAN (Home Area Network) communication via I²C-connected RF transceiver. IC Role / Device Role / Timing Role: Main metrology processor managing real-time energy calculation, secure EEPROM writes, and dual-serial interface (UART1 for optical port, I²C for RF module). Use Value: Dual UARTs enable simultaneous optical readout and wireless reporting; 1 KB RAM accommodates rolling 30-day consumption buffers; OTP guarantees calibrated firmware integrity. |
| Programmable Logic Controller (PLC) I/O Module | Automotive Body Control Unit |
Use Scenario: DIN-rail mounted I/O expansion module converting 24 V DC inputs to Modbus TCP via gateway, with local relay control. IC Role / Device Role / Timing Role: Real-time I/O handler using Port 3 interrupts (INT0/INT1) for fast edge detection, PCA for PWM-controlled SSR drivers, and UART0 for Modbus RTU framing. Use Value: 50 I/O pins with programmable drive strength simplify mixed-signal interfacing; external 16 MB address space supports future firmware updates via external flash; industrial temp rating matches panel environment. | Use Scenario: Door module controlling window lift, mirror fold, and interior lighting with LIN bus diagnostics and ESD-hardened I/O. IC Role / Device Role / Timing Role: Low-voltage (2.7 V) tolerant MCU managing CAN/LIN protocol stacks, PWM dimming for LEDs, and analog feedback from potentiometers. Use Value: Wide 2.7–5.5 V operation survives battery brownouts; built-in watchdog and reset source register meet ISO 26262 ASIL-B diagnostic requirements; OTP prevents unauthorized firmware modification. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MB90F387G | 16-bit Fujitsu FR family MCU; 128 KB flash, 8 KB RAM, 10-bit A/D, single UART, no I²C; operates up to 50 MHz but requires 3.0–3.6 V only. | Lacks dual UART and I²C; higher memory but no OTP security; not qualified for –40°C operation without derating. | Select when larger code space and higher clock speed are prioritized over industrial temp grade and serial interface count. |
| HD64F3687F | 16-bit Renesas H8/300H MCU; 128 KB ROM, 8 KB RAM, 10-bit A/D, two UARTs, I²C; rated –40°C to +85°C but uses 80-pin QFP package. | Same industrial temp range and dual-serial capability, but larger footprint and no PCA; uses different interrupt model and memory mapping. | Choose for legacy H8 toolchain compatibility and higher RAM, accepting PCB layout change due to 80-pin QFP. |
Compared with MB90F387G and HD64F3687F, the PXAS30KFA,512 offers unique value in OTP-based firmware security, 68-pin PLCC industrial packaging, and integrated PCA for precise timing-making it optimal for cost-sensitive, field-deployed control nodes where code integrity and compact layout are critical.
Availability
PXAS30KFA,512 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart energy meters, PLC I/O modules, and automotive body control units requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for PXAS30KFA,512 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 headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and IoT markets.
The XA-S3 product line was designed for high-reliability embedded control applications demanding analog integration, external memory expansion, and industrial temperature resilience-targeting metering, factory automation, and vehicle subsystems.
FAQ
What is the maximum operating frequency and voltage range for the PXAS30KFA,512?
The PXAS30KFA,512 operates at up to 30 MHz across a supply voltage range of 2.7 V to 5.5 V. This wide voltage tolerance allows direct connection to 3.3 V or 5 V systems and maintains functionality during brownout conditions common in automotive and industrial power supplies. The 30 MHz clock is supported across the full –40°C to +85°C temperature range without derating.
Does the PXAS30KFA,512 support both 8-bit and 10-bit A/D conversion modes?
Yes, the PXAS30KFA,512 supports both 8-bit and 10-bit A/D conversion. In 8-bit mode, conversion completes in 4.46 µs at 30 MHz; in 10-bit mode, resolution increases at the cost of longer conversion time and requires separate configuration of the ADCFG register. The ADRES bit in ADCON selects the mode, and 10-bit results are split across ADRSHn (high byte) and ADRSL (two LSBs).
How does the PXAS30KFA,512 handle external memory interfacing?
The PXAS30KFA,512 supports up to 16 MB external memory via a 24-bit address bus (A0–A23) and multiplexed 8-bit data bus (D0–D7). Port 0 provides low-order address/data, Port 2 supplies high-order address bits, and Ports 4–6 extend to A20–A23. ALE/PROG and PSEN control external memory access timing, while EA/WAIT/VPP selects internal vs. external code execution and inserts wait states as needed.
What peripheral interfaces are integrated into the PXAS30KFA,512?
The PXAS30KFA,512 integrates dual UARTs (UART0 and UART1) with independent baud rate generators, an I²C interface on P5.6/P5.7, a 5-channel 16-bit Programmable Counter Array (PCA), three 16-bit timers/counters, a watchdog timer with reset source register, and an 8-channel 8-bit A/D converter with 10-bit mode. All peripherals are memory-mapped via Special Function Registers (SFRs) for deterministic firmware control.
Is the PXAS30KFA,512 pin-compatible with other XA-S3 variants?
Yes, the PXAS30KFA,512 shares identical pinout and electrical characteristics with other 68-pin PLCC XA-S3 variants (e.g., PXAS33KFA, PXAS37KFA), differing only in maximum clock frequency rating (30 MHz vs. 33/37 MHz) and OTP programming content. This allows drop-in replacement within the same package family when design margins permit higher clock speeds or alternate firmware versions.
PXAS30KFA,512 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 68-LCC (J-Lead)
- Series:
- XA
- Packaging:
- Tube
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- XA
- Core Size:
- 16-Bit
- Speed:
- 30MHz
- Connectivity:
- EBI/EMI, I2C, UART/USART
- Peripherals:
- PWM, WDT
- Number of I/O:
- 32
- Program Memory Size:
- -
- Program Memory Type:
- ROMless
- EEPROM Size:
- -
- RAM Size:
- 1K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 8x8b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
PXAS30KFA,512 FAQ
1.How can I place an order for PXAS30KFA,512 through Aetrix?
Please submit a Request for Quotation (RFQ) for PXAS30KFA,512 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 PXAS30KFA,512 reliable?
The price and inventory of PXAS30KFA,512 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PXAS30KFA,512 is usually 5 days.
3.What payment methods are accepted for PXAS30KFA,512?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PXAS30KFA,512 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PXAS30KFA,512?
PXAS30KFA,512 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PXAS30KFA,512 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 PXAS30KFA,512?
For technical support, including PXAS30KFA,512 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PXAS30KFA,512 requirements.
6.How does Aetrix verify that PXAS30KFA,512 is sourced from the original manufacturer or authorized distributors?
All PXAS30KFA,512 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 PXAS30KFA,512 meets industry standards.
7.What is the process for return or replacement of PXAS30KFA,512?
All PXAS30KFA,512 units undergo pre-shipment inspection (PSI). If there is an issue with PXAS30KFA,512, 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 PXAS30KFA,512 part is unused and in its original packaging.
Return procedure for PXAS30KFA,512:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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