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NXP Semiconductors P89LPC916FDH,129
- Part No.:
- P89LPC916FDH,129
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
P89LPC916FDH,129.pdf
- Description:
- IC MCU 8BIT 2KB FLASH 16TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,268
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Product details
Overview
P89LPC916FDH,129 from NXP Semiconductors is a low-pin-count 8-bit microcontroller based on an accelerated two-clock 80C51 core, delivering six times the instruction throughput of standard 80C51 at 18 MHz. It integrates 2 kB flash code memory (byte-erasable), 256-byte RAM, 4-channel 8-bit ADC, DAC output, SPI interface, and 5 keypad interrupt inputs. It targets cost-sensitive embedded control in industrial sensors and small-appliance motor interfaces.
For engineers reviewing the P89LPC916FDH,129 datasheet, P89LPC916FDH,129 pinout, P89LPC916FDH,129 application, or P89LPC916FDH,129 equivalent, this page delivers verified functional architecture, TSSOP16 package mapping, real-time clock capability, I/O configuration options, and validated alternative parts for design continuity.
Technical Context
The P89LPC916FDH,129 implements a high-efficiency 80C51 derivative CPU executing all instructions in two to four clocks, enabling 111–222 ns cycle times at 18 MHz. Its system-level integration includes a 23-bit real-time clock, dual 16-bit timers (Timer 0 only - no Timer 1), and a dedicated SPI port with MOSI/MISO/SPICLK/SS signals routed to Port 2 pins.
It supports In-Application Programming (IAP-Lite) with byte-erase flash, internal RC oscillator calibrated to ±1 % (tunable), and five programmable keypad interrupt inputs (KBI1–KBI5) tied exclusively to Port 0 pins. Power management includes idle mode and two power-down modes with typical 1 µA total current in deep power-down (voltage comparators disabled).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | Accelerated two-clock 80C51 CPU; executes instructions in 2–4 clocks, enabling 6× performance vs. standard 80C51 at same frequency. |
| Flash Memory | 2 kB byte-erasable flash organized in 256-byte sectors and 16-byte pages; supports non-volatile data storage via single-byte erase. |
| ADC/DAC | 4-input multiplexed 8-bit A/D converter with selectable reference; single DAC analog output on P0.4. |
| Communication Interfaces | SPI master/slave port (MOSI/MISO/SPICLK/SS); enhanced UART with fractional baud rate generator; I²C-compatible SCL/SDA on P1.2/P1.3. |
| Operating Voltage | 2.4 V to 3.6 V VDD; I/O pins are 5 V tolerant (up to 5.5 V), enabling direct interfacing with 5 V logic without level shifters. |
| Package & Pins | TSSOP16 (SOT403-1), 4.4 mm body width; 14 usable I/O pins when internal oscillator and reset are enabled. |
| Power Modes | Idle mode and two power-down modes; wake-up from power-down triggered by LOW interrupt input; typical deep power-down current = 1 µA. |
Pinout & Package
Package: TSSOP16 (SOT403-1), plastic thin shrink small outline package, 16 leads, 4.4 mm body width.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | P0.1/CIN2B/KBI1/AD10 | Port 0 bit 1; comparator 2 positive input B; keypad interrupt 1; ADC channel 0 input. |
| 2 | P0.2/CIN2A/KBI2/AD11 | Port 0 bit 2; comparator 2 positive input A; keypad interrupt 2; ADC channel 1 input. |
| 3 | P2.4/SS | Port 2 bit 4; SPI slave select input (active-low); configurable as general-purpose I/O. |
| 4 | P0.3/CIN1B/KBI3/AD12 | Port 0 bit 3; comparator 1 positive input B; keypad interrupt 3; ADC channel 2 input. |
| 5 | P1.5/RST | Port 1 bit 5 (input only); active-low external reset input; enables ISP mode during power-on sequence. |
| 6 | P0.4/CIN1A/KBI4/AD13/DAC1 | Port 0 bit 4; comparator 1 positive input A; keypad interrupt 4; ADC channel 3 input; DAC analog output. |
| 7 | VSS | Ground reference (0 V); primary return path for digital and analog circuitry. |
| 8 | P0.5/CMPREF/KBI5/CLKIN | Port 0 bit 5; comparator reference (negative) input; keypad interrupt 5; external clock input. |
| 9 | P2.3/MISO | Port 2 bit 3; SPI master-in-slave-out; bidirectional data line (input when master, output when slave). |
| 10 | VDD | Power supply (2.4–3.6 V); supplies core, peripherals, and I/O; supports operation in idle and power-down modes. |
| 11 | P2.2/MOSI | Port 2 bit 2; SPI master-out-slave-in; bidirectional data line (output when master, input when slave). |
| 12 | P2.5/SPICLK | Port 2 bit 5; SPI clock; output when master, input when slave; synchronizes SPI data transfers. |
| 13 | P1.3/INT0/SDA | Port 1 bit 3 (open-drain); external interrupt 0 input; I²C serial data line (bidirectional, open-drain). |
| 14 | P1.0/TXD | Port 1 bit 0; UART transmitter output; drives serial data out with programmable baud rate. |
| 15 | P1.2/T0/SCL | Port 1 bit 2 (open-drain); timer 0 external count input/overflow output; I²C serial clock (bidirectional, open-drain). |
| 16 | P1.1/RXD | Port 1 bit 1; UART receiver input; accepts serial data with framing error detection and break detect. |
Key Features
| Feature | Design Value |
|---|---|
| Internal RC Oscillator | Factory-calibrated to ±1 % accuracy; software-tunable; eliminates need for external crystal or capacitor components. |
| Programmable I/O Configuration | Each port pin supports quasi-bidirectional, open-drain, push-pull, or input-only modes - enabling optimized drive strength and noise immunity per signal path. |
| Keypad Interrupt Logic | Five dedicated KBI inputs (KBI1–KBI5) on Port 0 enable hardware-accelerated matrix scanning without CPU polling overhead. |
| Controlled Slew Rate Outputs | Port outputs feature ~10 ns minimum ramp time, reducing EMI emissions and improving signal integrity in noisy environments. |
| LED Drive Capability | All port pins support 20 mA sink/source (chip-limited total), allowing direct LED driving without external drivers in indicator applications. |
Applications
| Industrial Sensor Node | Small-Appliance Motor Control |
|---|---|
Use Scenario: Compact environmental sensor node measuring temperature, humidity, and voltage with local threshold alerting. IC Role / Device Role / Timing Role: Central controller executing ADC sampling, real-time clock timestamping, SPI communication with local display, and UART reporting to host MCU. Use Value: Integrated 23-bit RTC and 4-channel ADC eliminate discrete timing and analog front-end components; 5 V-tolerant I/O simplifies connection to legacy 5 V sensors. | Use Scenario: Fan speed regulation and fault monitoring in compact kitchen appliances using PWM-driven DC motors. IC Role / Device Role / Timing Role: Dedicated motor supervisor managing PWM generation (via Timer 0 overflow toggle), overcurrent sensing (ADC), and thermal shutdown (comparator-triggered interrupt). Use Value: On-chip DAC provides analog reference for comparator-based overtemp detection; SPI enables firmware updates from main appliance controller. |
| Smart Meter Interface Module | Low-Cost Home Automation Controller |
Use Scenario: Battery-powered utility meter add-on module collecting pulse counts and battery voltage for wireless transmission. IC Role / Device Role / Timing Role: Ultra-low-power data aggregator using power-down mode between 1-second ADC reads and RTC-triggered wake-up events. Use Value: 1 µA deep power-down current extends battery life; internal RC oscillator ensures timing stability without crystal load capacitance constraints. | Use Scenario: Wall-mounted switch controller with capacitive touch sensing, LED status feedback, and Zigbee coordinator interface. IC Role / Device Role / Timing Role: Local UI processor handling touch pattern matching on Port 0, driving status LEDs, and buffering UART commands to RF module. Use Value: "Input pattern match" interrupt on Port 0 reduces CPU wake-ups; 20 mA LED drive enables bright indicators without external transistors. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| P89LPC915FDH | 14-pin TSSOP; lacks SPI interface; includes Comparator 2 output (CMP2) and INT1; 6 KBI inputs. | Preferred where space is constrained and SPI is unnecessary; suitable for simpler keypad + ADC systems without peripheral expansion. | Select when board layout requires smaller footprint and SPI is not required; verify absence of SPICLK/MOSI/MISO routing. |
| P89LPC917FDH | 16-pin TSSOP; adds Timer 1, CLKOUT, INT1, Comparator 2 output, and 7 KBI inputs; no SPI. | Better suited for timing-critical applications requiring dual timers or external clock distribution; supports larger keypads. | Choose when needing Timer 1 overflow/PWM or CLKOUT signal; avoid if SPI is mandatory for sensor or display interface. |
Compared with P89LPC915FDH and P89LPC917FDH, the P89LPC916FDH,129 uniquely balances SPI connectivity, 5-keypad interrupt support, and TSSOP16 packaging - making it optimal for systems requiring serial peripheral expansion without dual-timer or extended interrupt requirements.
Availability
P89LPC916FDH,129 is available at Aetrix Electronics and suitable for industrial sensor nodes, small-appliance motor interfaces, and smart meter interface modules requiring stable component supply and long-term production continuity.
Supply support for P89LPC916FDH,129 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 applications.
The P89LPC916FDH,129 belongs to NXP's LPC900 family of 8-bit microcontrollers, designed specifically for cost-sensitive, low-power embedded control where integration of analog peripherals, communication interfaces, and flexible I/O reduces bill-of-materials and PCB area.
FAQ
What is the maximum operating frequency of the P89LPC916FDH,129?
The P89LPC916FDH,129 operates up to 18 MHz with an external crystal or ceramic resonator. When using the internal RC oscillator, the maximum frequency is 12 MHz. The accelerated two-clock architecture ensures instruction cycle times of 111–222 ns across this range, delivering six times the throughput of a standard 80C51 at identical clock speeds. This specification is confirmed in Section 2.2 of the official NXP datasheet Rev. 05.
Does the P89LPC916FDH,129 support in-system programming (ISP)?
Yes, the P89LPC916FDH,129 supports Serial Flash In-Circuit Programming (ICP) via its UART interface, enabling simple production coding with commercial EPROM programmers. It also supports In-Application Programming (IAP-Lite), allowing firmware updates or non-volatile data writes while the device is running. Flash security bits prevent unauthorized reading of protected application code, as documented in Section 2.2 of the NXP datasheet.
How many analog inputs does the P89LPC916FDH,129 have, and what is their resolution?
The P89LPC916FDH,129 features a 4-input multiplexed 8-bit analog-to-digital converter (ADC), with channels AD10–AD13 mapped to P0.1–P0.4 respectively. Each conversion delivers 8-bit digital results, and the reference voltage is selectable via internal or external sources. This ADC capability is explicitly defined in Section 2.1 and Table 4 of the NXP P89LPC915/916/917 datasheet.
Is the P89LPC916FDH,129 pin-compatible with other devices in the LPC91x family?
No, the P89LPC916FDH,129 is not pin-compatible with P89LPC915FDH or P89LPC917FDH despite sharing the TSSOP16 package with the latter. Pin functions differ significantly: P89LPC916FDH,129 assigns SPI signals (MOSI/MISO/SPICLK/SS) to Port 2, while P89LPC917FDH uses those pins for Timer 1, CLKOUT, and additional KBI. Direct substitution would require PCB redesign.
What power-saving modes are available on the P89LPC916FDH,129?
The P89LPC916FDH,129 offers Idle mode and two distinct power-down modes. In deep power-down mode with voltage comparators disabled, typical current consumption is 1 µA. Wake-up is supported via LOW-level interrupts on any configured input pin. These modes are controlled via dedicated SFR bits and are fully detailed in Section 2.2 of the NXP datasheet, including prescaler and oscillator disable options.
P89LPC916FDH,129 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 16-TSSOP (0.173", 4.40mm Width)
- Series:
- LPC900
- Packaging:
- Tube
- Product Status:
- Obsolete
- Programmable:
- Verified
- Core Processor:
- 8051
- Core Size:
- 8-Bit
- Speed:
- 18MHz
- Connectivity:
- I2C, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, LED, POR, PWM, WDT
- Number of I/O:
- 14
- Program Memory Size:
- 2KB (2K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 256 x 8
- Voltage - Supply (Vcc/Vdd):
- 2.4V ~ 3.6V
- Data Converters:
- A/D 4x8b; D/A 1x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
P89LPC916FDH,129 FAQ
1.How can I place an order for P89LPC916FDH,129 through Aetrix?
Please submit a Request for Quotation (RFQ) for P89LPC916FDH,129 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 P89LPC916FDH,129 reliable?
The price and inventory of P89LPC916FDH,129 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P89LPC916FDH,129 is usually 5 days.
3.What payment methods are accepted for P89LPC916FDH,129?
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P89LPC916FDH,129 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P89LPC916FDH,129 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 P89LPC916FDH,129?
For technical support, including P89LPC916FDH,129 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P89LPC916FDH,129 requirements.
6.How does Aetrix verify that P89LPC916FDH,129 is sourced from the original manufacturer or authorized distributors?
All P89LPC916FDH,129 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 P89LPC916FDH,129 meets industry standards.
7.What is the process for return or replacement of P89LPC916FDH,129?
All P89LPC916FDH,129 units undergo pre-shipment inspection (PSI). If there is an issue with P89LPC916FDH,129, 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 P89LPC916FDH,129 part is unused and in its original packaging.
Return procedure for P89LPC916FDH,129:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P89LPC916FDH,129 Tags
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