MCHC11F1CFNE5 is an 8-bit ROM-less microcontroller (MCU) in the NXP (formerly Freescale) HC11 series. It adopts a 68-pin PLCC surface-mount package. This device is equipped with the HC11 core and has a maximum operating frequency of 5 MHz. It is suitable for embedded control applications that require flexible configuration of external program memory.
This MCU integrates 1KB RAM and 512 bytes of EEPROM. The on-chip peripherals include 8-channel 8-bit ADC, SCI and SPI serial communication interfaces, as well as Power-On Reset (POR) and Watchdog Timer (WDT). The number of I/O ports is 30.
This device is powered by a single 4.75V to 5.25V supply and operates within a temperature range of -40°C to +85°C (industrial grade). The MSL level is Level-3 (168 hours) and complies with RoHS3 standards.
Features ：
• CPU core: HC11 8-bit core, with a maximum frequency of 5 MHz
• Storage resources: 1KB RAM + 512 bytes EEPROM (no built-in program memory)
• Operating voltage: 4.75V ~ 5.25V
• Communication interfaces: SCI (serial communication interface), SPI
• Analog peripherals: 8-channel 8-bit ADC
• I/O ports: 30
• Reliability peripherals: Power-on reset (POR), Watchdog timer (WDT)
• Wide operating temperature: Industrial grade -40°C ~ +85°C
• Package type: PLCC-68 (J-shaped leads), size approximately 24.2mm × 24.2mm
• MSL level: Level-3 (168 hours)
• Environmental compliance: Compliant with RoHS3 standard
Application：
• Industrial Control and Automation: PLC, Process Control System
• Automotive Electronics: Engine Control, Body Control Module
• Smart Home System: Home Automation Hub, Device Control
• Embedded Control System
