My Inquiry
My Account
NXP Semiconductors MCHC711KS2CFNE3
- Part No.:
- MCHC711KS2CFNE3
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 68-LCC (J-Lead)
- Datasheet:
-
MCHC711KS2CFNE3.pdf
- Description:
- IC MCU 8BIT 32KB OTP 68PLCC
- Quantity:
- Payment:
- Shipping:
Inventory:4,510
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
MCHC711KS2CFNE3 from NXP Semiconductors (formerly Freescale/Motorola) is an 8-bit HCMOS microcontroller unit (MCU) featuring 2 KB of OTP EPROM, 192 bytes of RAM, and integrated peripherals including SCI, SPI, A/D converter, PWM, and timer subsystems. It operates at up to 3 MHz with single-chip mode support and targets embedded control in industrial sensors, motor controllers, and automotive body electronics.
For engineers reviewing the MCHC711KS2CFNE3 datasheet, MCHC711KS2CFNE3 pinout, MCHC711KS2CFNE3 application, or MCHC711KS2CFNE3 equivalent, key selection criteria include OTP memory size, 68-pin PLCC package compatibility, E-clock timing requirements, on-chip A/D resolution (8-bit), and SCI/SPI interface availability for system integration.
Technical Context
The MCHC711KS2CFNE3 implements the M68HC11 CPU core with Harvard architecture, supporting 16-bit addressing and a 56-instruction set. Its memory map includes fixed ROM/EPROM space, configurable EEPROM emulation via CONFIG register, and banked I/O registers mapped into memory space.
Peripheral integration follows the M68HC11K family architecture: a 16-bit timer system with input capture, output compare, pulse accumulator, and real-time interrupt; an 8-channel 8-bit A/D converter with multiplexed inputs; and dual serial interfaces (SCI and SPI) with independent baud rate generation and status flag management.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | M68HC11 8-bit CISC core with 56 instructions and 16-bit address bus |
| Memory | 2 KB OTP EPROM (M68HC711KS2 variant), 192 B RAM, no external memory interface in single-chip mode |
| ADC | 8-bit resolution, 8-channel multiplexed input, conversion time ≤ 25 µs per sample |
| Timers | 16-bit free-running counter, 4 input capture/5 output compare channels, pulse accumulator, RTI |
| Serial Interfaces | SCI (asynchronous UART) and SPI (synchronous master/slave) with independent clock dividers |
| Operating Voltage | 5.0 V ±10%, specified for industrial temperature range (–40°C to +85°C) |
| Package | 68-pin Plastic Leaded Chip Carrier (PLCC), case 779, 25.4 mm × 25.4 mm footprint |
Pinout & Package
68-pin PLCC (Case 779) with 0.050-inch pitch; lead-free finish; JEDEC-standard pin layout compatible with socketed prototyping and industrial PCB mounting.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Digital core power (VDD) and return (VSS); separate AVDD/AVSS pins available for analog section isolation |
| XTAL, EXTAL | Clock input/output | Crystal oscillator driver inputs; supports 1–3 MHz fundamental-mode crystals or external clock source |
| RESET | Active-low reset input | Asynchronous reset assertion clears CPU registers and initializes peripheral control registers |
| E | External clock output | Provides synchronized E-clock (½ internal bus frequency) for external logic timing coordination |
| PORTA–PORTH | Multi-function I/O ports | Programmable bidirectional ports with internal pull-ups; PORTA supports A/D inputs and timer I/O functions |
| SCI TXD/RXD | Serial transmit/receive | Full-duplex asynchronous communication pins; software-configurable baud rate and framing |
| SPI MOSI/MISO/SCK/SS | Serial peripheral interface | Master/slave synchronous interface with programmable polarity/phase and slave select control |
Key Features
| Feature | Design Value |
|---|---|
| OTP EPROM programming | 2 KB one-time-programmable memory enables secure firmware storage without external ROM |
| On-chip A/D converter | 8-channel, 8-bit successive-approximation ADC with dedicated analog supply pins (AVDD/AVSS) |
| PWM generation | Four independent PWM channels with programmable period, duty cycle, and polarity for motor control |
| COP watchdog | Computer Operating Properly (COP) timer with software-armable timeout prevents runaway code execution |
| Low-power modes | Wait, Stop, and Slow modes reduce current consumption to <100 µA in Stop mode for battery operation |
Applications
| Industrial Sensor Node | Automotive Body Control |
|---|---|
Use Scenario: Standalone temperature/humidity sensor node with local data logging and RS-232 telemetry. IC Role / Device Role / Timing Role: Primary MCU executing sensor polling, linearization, and SCI-based UART transmission at 9600 baud. Use Value: Integrated A/D and SCI eliminate external converters and level shifters; OTP memory secures calibration constants. | Use Scenario: Door module controlling window lift, mirror adjustment, and interior lighting via LIN or discrete signals. IC Role / Device Role / Timing Role: Real-time actuator controller using PWM outputs and port-driven relays with COP watchdog supervision. Use Value: On-chip PWM timers drive motors directly; robust reset architecture ensures fail-safe behavior during voltage transients. |
| Small Motor Drive | Legacy Industrial PLC I/O |
Use Scenario: Brushed DC motor speed regulator with tachometer feedback and overcurrent protection. IC Role / Device Role / Timing Role: Closed-loop controller using pulse accumulator for RPM measurement and OC/PWM for duty-cycle modulation. Use Value: Input capture measures encoder pulses; output compare triggers precise PWM edges - all synchronized to E-clock. | Use Scenario: Retrofit I/O expansion module for aging PLC systems requiring discrete input conditioning and relay output staging. IC Role / Device Role / Timing Role: Protocol-agnostic digital I/O handler with configurable port directions and interrupt-on-change capability. Use Value: Multi-function ports (PORTB–PORTH) support sink/source configurations; internal pull-ups simplify external circuitry. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC68HC11E9CP | 512 B EEPROM instead of 2 KB OTP; same 68-pin PLCC package and instruction set | Requires external programming equipment for field updates; lacks OTP security for firmware IP | Select when field reprogrammability outweighs firmware protection needs |
| MC912B32CPVE | Enhanced 68HC12 core, 32 KB Flash, CAN 2.0B interface; 80-pin QFP package | Supports CAN bus networking but requires PCB redesign due to different pin count and layout | Select for new designs needing CAN connectivity and larger code space |
Compared with MC68HC11E9CP and MC912B32CPVE, the MCHC711KS2CFNE3 provides optimal balance of OTP-based firmware security, compact 68-pin footprint, and proven peripheral set for cost-sensitive, non-networked embedded control - without requiring layout changes or external programming infrastructure.
Availability
MCHC711KS2CFNE3 is available at Aetrix Electronics and suitable for industrial sensor nodes, automotive body control modules, and small motor drives requiring stable component supply and long-term obsolescence management.
Supply support for MCHC711KS2CFNE3 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 leader focused on secure connectivity solutions for automotive, industrial, and IoT applications.
The M68HC11K family - including MCHC711KS2CFNE3 - was designed for deterministic real-time control in resource-constrained embedded systems where reliability, low power, and peripheral integration are critical.
FAQ
What is the memory configuration of the MCHC711KS2CFNE3?
The MCHC711KS2CFNE3 contains 2 KB of one-time-programmable (OTP) EPROM for program storage, 192 bytes of on-chip RAM, and no user-accessible EEPROM. Configuration bits (CONFIG register) emulate limited EEPROM functionality for non-volatile settings, but true EEPROM is not physically present in this variant.
Does the MCHC711KS2CFNE3 support in-circuit programming?
No, the MCHC711KS2CFNE3 does not support in-circuit programming. Its 2 KB OTP EPROM must be programmed prior to soldering using a dedicated EPROM programmer (e.g., BP Microsystems or Data I/O units) that applies 12.5 V VPP to the VPP pin during write cycles - a process incompatible with live board operation.
What is the maximum operating frequency of the MCHC711KS2CFNE3?
The MCHC711KS2CFNE3 operates with a maximum internal bus frequency of 3 MHz, derived from a 1–3 MHz crystal or external clock applied to XTAL/EXTAL. The E-clock output runs at half the bus frequency (1.5 MHz max), and all peripheral timing-including A/D conversion and SCI baud generation-is referenced to this base clock.
Which package type does the MCHC711KS2CFNE3 use?
The MCHC711KS2CFNE3 uses a 68-pin Plastic Leaded Chip Carrier (PLCC) package, Case 779, with 25.4 mm × 25.4 mm body size and 0.050-inch lead pitch. This package is socket-compatible and widely supported in legacy industrial PCB assemblies.
Can the MCHC711KS2CFNE3 operate in low-power modes?
Yes, the MCHC711KS2CFNE3 supports three low-power modes: Wait (CPU halted, peripherals active), Stop (all clocks stopped, RAM retained), and Slow (reduced bus frequency). In Stop mode, typical current draw is less than 100 µA, enabling battery-powered operation for extended periods without compromising register state retention.
MCHC711KS2CFNE3 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 68-LCC (J-Lead)
- Series:
- HC11
- Packaging:
- Tube
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- HC11
- Core Size:
- 8-Bit
- Speed:
- 3MHz
- Connectivity:
- SCI, SPI
- Peripherals:
- POR, PWM, WDT
- Number of I/O:
- 51
- Program Memory Size:
- 32KB (32K x 8)
- Program Memory Type:
- OTP
- EEPROM Size:
- 640 x 8
- RAM Size:
- 1K x 8
- Voltage - Supply (Vcc/Vdd):
- 4.5V ~ 5.5V
- Data Converters:
- A/D 8x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MCHC711KS2CFNE3 FAQ
1.How can I place an order for MCHC711KS2CFNE3 through Aetrix?
Please submit a Request for Quotation (RFQ) for MCHC711KS2CFNE3 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 MCHC711KS2CFNE3 reliable?
The price and inventory of MCHC711KS2CFNE3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MCHC711KS2CFNE3 is usually 5 days.
3.What payment methods are accepted for MCHC711KS2CFNE3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MCHC711KS2CFNE3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MCHC711KS2CFNE3?
MCHC711KS2CFNE3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MCHC711KS2CFNE3 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 MCHC711KS2CFNE3?
For technical support, including MCHC711KS2CFNE3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MCHC711KS2CFNE3 requirements.
6.How does Aetrix verify that MCHC711KS2CFNE3 is sourced from the original manufacturer or authorized distributors?
All MCHC711KS2CFNE3 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 MCHC711KS2CFNE3 meets industry standards.
7.What is the process for return or replacement of MCHC711KS2CFNE3?
All MCHC711KS2CFNE3 units undergo pre-shipment inspection (PSI). If there is an issue with MCHC711KS2CFNE3, 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 MCHC711KS2CFNE3 part is unused and in its original packaging.
Return procedure for MCHC711KS2CFNE3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MCHC711KS2CFNE3 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…
