My Inquiry
My Account
NXP Semiconductors P80C552EBA/08,512
- Part No.:
- P80C552EBA/08,512
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 68-LCC (J-Lead)
- Datasheet:
-
P80C552EBA/08,512.pdf
- Description:
- IC MCU 8BIT ROMLESS 68PLCC
- Quantity:
- Payment:
- Shipping:
Inventory:2,422
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
P80C552EBA/08,512 from Philips Semiconductors is a ROMless 8-bit microcontroller based on the 80C51 core, featuring a 10-bit ADC with eight analog inputs, dual 8-bit PWM outputs, an additional 16-bit capture/compare timer (T2), I²C and UART serial interfaces, and two power-saving modes (idle and power-down). It operates at up to 16 MHz and targets embedded control in industrial sensors and motor interface systems.
For engineers reviewing the P80C552EBA/08,512 datasheet, P80C552EBA/08,512 pinout, P80C552EBA/08,512 application, or P80C552EBA/08,512 equivalent, this device offers confirmed 10-bit ADC resolution, dual PWM timing control, I²C master/slave capability, 256 × 8 RAM, and PLCC-68 package compatibility - all critical for legacy 8051-based system upgrades requiring analog acquisition and synchronized output generation.
Technical Context
The P80C552EBA/08,512 implements the standard 80C51 instruction set with full binary and BCD arithmetic support and bit-level manipulation. Its enhanced peripheral set includes a dedicated 16-bit timer T2 with four capture latches and three compare registers, enabling precise event timing and waveform generation independent of the two standard 16-bit timers (T0/T1).
It integrates dual serial interfaces: a full-duplex UART compatible with 80C51 and an I²C-bus port supporting both master and slave byte-oriented transfers. The on-chip watchdog timer (T3) is enabled via the EW pin, and analog subsystems include AVDD/AVSS rails, programmable AVREF± references, and channel-to-channel matching within ±1 LSB.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | 80C51-compatible 8-bit architecture with 100+ instructions; enables drop-in replacement in existing 8051 firmware ecosystems. |
| ADC Resolution | 10-bit successive approximation; delivers 1024 discrete levels across AVREF– to AVREF+, supporting precision sensor signal digitization. |
| PWM Outputs | Two independent 8-bit pulse-width modulated outputs (PWM0/PWM1); suitable for basic motor speed or LED brightness control without external DACs. |
| Timer Resources | Three 16-bit timers: T0/T1 (standard), T2 (enhanced with capture/compare); allows simultaneous event capture, interval measurement, and waveform synthesis. |
| Memory | ROMless (0 kB internal program memory), 256 × 8 bytes on-chip RAM; requires external EPROM/Flash for code storage and supports 64 kB expansion. |
| Operating Frequency | 3.5–16 MHz crystal range; achieves 0.75 µs instruction execution for 58% of instructions at 16 MHz, enabling real-time response in control loops. |
| I/O Ports | Five 8-bit ports (P0–P4) + one 8-bit input-only port (P5); P5 serves exclusively as ADC input multiplexer, eliminating software port reconfiguration overhead. |
Pinout & Package
Package: Plastic Leaded Chip Carrier (PLCC-68), SOT188-2, operating temperature range 0 °C to +70 °C.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P0.0–P0.7 | Port 0 bidirectional I/O / AD0–AD7 / A0–A7 | Open-drain bus interface; functions as low-order address/data bus during external memory access - requires external pull-ups for general-purpose use. |
| P1.0–P1.3 | CT0I–CT3I | Capture timer inputs for T2; enable edge-triggered timestamping of external events with sub-microsecond resolution. |
| P1.4 / P1.5 | T2 / RT2 | T2 event input and reset; supports high-speed counter mode and hardware-synchronized reload for periodic waveform generation. |
| P1.6 / P1.7 | SCL / SDA | I²C-bus clock and data lines; compliant with I²C specification thresholds (VIL ≤ 1.5 V, VIH ≥ 3.0 V) for direct connection to standard peripherals. |
| P4.0–P4.5 | CMSR0–CMSR5 | Compare-set/reset outputs from T2; generate synchronized digital pulses on match, useful for multi-phase timing control. |
| P4.6 / P4.7 | CMT0 / CMT1 | Compare-toggle outputs from T2; produce square waves or toggled signals without CPU intervention - reduces firmware load. |
| P5.0–P5.7 | ADC0–ADC7 | Dedicated analog input channels; share no digital I/O function - eliminates crosstalk risk and simplifies PCB layout for mixed-signal designs. |
| STADC | Start ADC Operation | Hardware trigger for ADC conversion; allows precise synchronization with external events (e.g., motor commutation zero-crossing). |
| PWM0 / PWM1 | Pulse Width Modulation Outputs | Direct-drive capable outputs; deliver 8-bit duty-cycle resolution with configurable period via T2 - no external PWM IC needed. |
| EW | Enable Watchdog Timer | Active-high watchdog enable; must be held high to activate T3 - prevents accidental disable due to floating node or noise. |
Key Features
| Feature | Design Value |
|---|---|
| 10-bit ADC with 8-channel mux | Supports simultaneous sampling of multiple analog sensors (e.g., temperature, current, voltage) with ±2 LSB integral non-linearity and ±1 LSB channel matching. |
| Dual 8-bit PWM outputs | Enables independent control of two actuators (e.g., fan speed + valve position) using hardware-timed waveforms - frees CPU for supervisory tasks. |
| Enhanced T2 timer with capture/compare | Four capture latches record timestamps of external events; three compare registers drive six synchronized outputs (CMSR0–5, CMT0/CMT1) for complex timing sequences. |
| I²C and UART dual serial interface | I²C supports master/slave byte transfer for sensor networks; UART provides standard asynchronous communication - eliminates need for protocol translation ICs. |
| Power management modes | Idle mode preserves RAM and peripherals while halting CPU; power-down mode reduces current to 50 µA - extends battery life in portable instrumentation. |
Applications
| Industrial Motor Control | Embedded Sensor Node |
|---|---|
|
Use Scenario: Controlling brushless DC motor commutation timing and current feedback loop in HVAC blowers. IC Role / Device Role / Timing Role: MCU executing closed-loop PID algorithm, sampling current/voltage via ADC, generating PWM gate drive signals, and synchronizing phase switching via T2 capture/compare outputs. Use Value: Hardware-accelerated T2 timer ensures <1 µs jitter in commutation timing; dual PWM outputs directly drive half-bridge drivers without external logic. |
Use Scenario: Battery-powered environmental monitor collecting temperature, humidity, and CO₂ via analog sensors. IC Role / Device Role / Timing Role: Data acquisition controller managing sensor polling, ADC conversion triggering (STADC), low-power sleep scheduling, and I²C communication with sensor ICs. Use Value: Power-down mode draws only 50 µA; dedicated P5 analog port prevents digital noise coupling; I²C interface reduces wiring to multi-sensor nodes. |
| Legacy Industrial PLC I/O Module | Automotive Body Control Unit |
|
Use Scenario: Retrofitting DIN-rail mounted I/O modules with analog input expansion and local logic execution. IC Role / Device Role / Timing Role: Standalone controller reading 0–10 V/4–20 mA field signals via ADC, performing scaling/alarm logic, and driving relay outputs via port pins. Use Value: ROMless design allows field-programmable firmware updates; 256-byte RAM suffices for ladder logic state tables; external memory interface supports custom configuration storage. |
Use Scenario: Seat position memory and window lift control in entry-level vehicles. IC Role / Device Role / Timing Role: Dedicated subsystem MCU handling potentiometer position sensing (ADC), PWM-controlled motor drive, and LIN bus communication via UART. Use Value: On-chip watchdog (T3) ensures fail-safe motor stop on firmware hang; dual PWM outputs manage bidirectional motor direction and speed independently. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AT89C51RC2-UM | 8051-compatible with 32 kB Flash, 1 kB RAM, no integrated ADC or PWM; requires external components for analog functions. | Lacks native 10-bit ADC and dual PWM - unsuitable for designs requiring direct analog acquisition or hardware-timed outputs. | Select only if firmware storage density and RAM size outweigh need for integrated analog peripherals. |
| ST7FLITE09Y0M1 | 8-bit ST7 core (not 8051), 8 kB Flash, 1 kB RAM, 10-bit ADC (8 ch), single PWM channel, no I²C. | Different instruction set and peripheral register map; no I²C interface limits sensor connectivity; single PWM restricts multi-actuator control. | Choose only for new designs where ST7 ecosystem toolchain and lower cost justify migration from 8051 firmware base. |
Compared with AT89C51RC2-UM and ST7FLITE09Y0M1, the P80C552EBA/08,512 uniquely combines 8051 software compatibility, integrated 10-bit ADC, dual hardware PWM, and I²C - making it the sole option among these three for cost-sensitive, analog-rich 8051-based upgrades requiring minimal BOM changes.
Availability
P80C552EBA/08,512 is available at Aetrix Electronics and suitable for industrial motor control, embedded sensor nodes, legacy PLC I/O modules, and automotive body electronics requiring stable component supply and long-term obsolescence management.
Supply support for P80C552EBA/08,512 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
Philips Semiconductors (now NXP Semiconductors) is a pioneer in integrated circuit innovation, delivering high-reliability semiconductor solutions for industrial, automotive, and consumer markets since the 1950s.
The P80C552EBA/08,512 belongs to the 8XC552 family - designed specifically to extend the 8051 architecture with integrated analog and timing peripherals for cost-effective, single-chip embedded control in resource-constrained systems.
FAQ
What is the maximum operating frequency supported by the P80C552EBA/08,512?
The P80C552EBA/08,512 supports a maximum oscillator frequency of 16 MHz across its specified 0 °C to +70 °C operating range. At this frequency, 58% of instructions execute in 0.75 µs, and multiply/divide operations complete in 3 µs. Exceeding 16 MHz violates the device's AC electrical specifications and may cause timing failures in external memory accesses or serial communication.
Does the P80C552EBA/08,512 include on-chip program memory?
No, the P80C552EBA/08,512 is the ROMless variant of the 8XC552 family. It contains no internal program memory and requires external EPROM or Flash memory for code storage, accessed via the P0/P2 address/data bus. This distinguishes it from the P83C552EBA (8 kB mask ROM) and P87C552 (8 kB EPROM) variants.
How does the P80C552EBA/08,512 handle analog reference voltages for the ADC?
The P80C552EBA/08,512 uses dedicated pins AVREF+ and AVREF– to define the ADC's full-scale range. These pins accept external reference sources or can be tied to AVDD/AVSS. The internal resistance between AVREF+ and AVREF– is specified at 10–50 kΩ, and the ADC achieves ±2 LSB integral non-linearity and ±1 LSB channel-to-channel matching under these conditions.
Can the P80C552EBA/08,512 operate in low-power modes, and how are they controlled?
Yes, the P80C552EBA/08,512 supports two low-power modes: idle mode (CPU halted, RAM/timers/peripherals active) and power-down mode (oscillator stopped, only RAM preserved). Both are controlled via bits in the PCON special function register. Idle mode exits on any enabled interrupt or reset; power-down mode exits only via hardware reset.
What serial communication interfaces are integrated into the P80C552EBA/08,512?
The P80C552EBA/08,512 integrates two independent serial interfaces: a full-duplex UART compatible with the standard 80C51 and an I²C-bus port supporting both master and slave byte-oriented transfers. The I²C interface meets standard voltage thresholds (VIL ≤ 1.5 V, VIH ≥ 3.0 V) and operates up to 100 kHz, though exact rates depend on oscillator frequency and S1CON register settings.
P80C552EBA/08,512 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 68-LCC (J-Lead)
- Series:
- 80C
- Packaging:
- Tube
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- 8051
- Core Size:
- 8-Bit
- Speed:
- 16MHz
- Connectivity:
- EBI/EMI, I2C, UART/USART
- Peripherals:
- POR, PWM, WDT
- Number of I/O:
- 40
- Program Memory Size:
- -
- Program Memory Type:
- ROMless
- EEPROM Size:
- -
- RAM Size:
- 256 x 8
- Voltage - Supply (Vcc/Vdd):
- 4.5V ~ 5.5V
- Data Converters:
- A/D 8x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
P80C552EBA/08,512 FAQ
1.How can I place an order for P80C552EBA/08,512 through Aetrix?
Please submit a Request for Quotation (RFQ) for P80C552EBA/08,512 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 P80C552EBA/08,512 reliable?
The price and inventory of P80C552EBA/08,512 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P80C552EBA/08,512 is usually 5 days.
3.What payment methods are accepted for P80C552EBA/08,512?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P80C552EBA/08,512 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P80C552EBA/08,512?
P80C552EBA/08,512 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P80C552EBA/08,512 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 P80C552EBA/08,512?
For technical support, including P80C552EBA/08,512 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P80C552EBA/08,512 requirements.
6.How does Aetrix verify that P80C552EBA/08,512 is sourced from the original manufacturer or authorized distributors?
All P80C552EBA/08,512 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 P80C552EBA/08,512 meets industry standards.
7.What is the process for return or replacement of P80C552EBA/08,512?
All P80C552EBA/08,512 units undergo pre-shipment inspection (PSI). If there is an issue with P80C552EBA/08,512, 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 P80C552EBA/08,512 part is unused and in its original packaging.
Return procedure for P80C552EBA/08,512:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P80C552EBA/08,512 Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
