MC908JK3EMDWER

MC908JK3EMDWER is an 8‑bit microcontroller from Freescale/NXP (MC908JK3 family) built around the HCS08-class CPU. It’s designed for embedded control in automotive and consumer applications.
Key points:
- Core and memory: 8‑bit CPU with on‑chip Flash for program storage and RAM for data.
- Peripherals: multiple timers, ADCs, PWM, and common serial interfaces (SCI/UART, SPI, I2C); some variants may include automotive features like CAN.
- Power/packaging: supports low‑power modes; the EMDWER suffix encodes a specific package and grade (temperature/RoHS-compliance as applicable); exact specs vary by part number.
- Development: typically programmed and debugged with CodeWarrior or similar MCU toolchains; configuration of clocks, memory map, and peripherals is done in the project setup.
Use cases: cost‑sensitive embedded control, motor control, sensor data processing, and other automotive/industrial applications.
If you want, I can pull the exact memory size, pin count, and peripheral list from the official datasheet for this exact variant.

MC908JK3EMDWER is an HC08-family 8‑bit MCU from Freescale/NXP. There isn’t a direct one‑to‑one crossvendor equivalent. To find substitutes, use NXP’s cross-reference tool and filter by package, flash/RAM size, I/O, and peripherals. Closest pin/feature-compatible Freescale/NXP parts are other JK-series HC08 MCUs (same family). If migration is acceptable, consider the newer S08/S09 family (e.g., MC9S08QE/QG or MC9S08DZ) or Kinetis/S32 lines depending on requirements.

MC908JK3EMDWER features (concise)
- 8‑bit HCS08 CPU core
- On‑chip flash for program memory; RAM; optional EEPROM/emulated storage
- Peripherals: ADC with multiple channels; general‑purpose timers and PWM outputs
- Serial interfaces: SCI (UART), SPI, I2C
- Watchdog timer; real‑time/clock options
- Low‑power modes and sleep support
- Clock options: internal oscillator and external clock
- Wide operating voltage range and broad temperature options
- Debug/programming: in‑circuit debug support
- Package: 64‑pin LQFP (EMDWER) and related packages

- Pin count: 80 pins (80-pin LQFP package).
- Function: Freescale/NXP MC908JK3 8‑bit microcontroller with on‑chip flash RAM, GPIOs, multiple timers, ADC/DAC peripherals, and serial interfaces (SCI, SPI, I2C) for embedded applications.

- Manufacturer: NXP Semiconductors (the MC908JK3EMDWER comes from Freescale Semiconductor, which was acquired by NXP in 2015).
- What kind of company: NXP is a Dutch multinational semiconductor company that designs and manufactures microelectronics and ICs for automotive, industrial, and consumer applications, headquartered in Eindhoven, Netherlands.

Common application areas for MC908JK3EMDWER:
- Automotive body electronics: lighting controllers, door modules, power windows, HVAC control, seat/memory functions
- Instrument clusters and dash electronics
- Sensor interfacing and actuator/motor control
- General compact embedded control for consumer and industrial equipment requiring a small, cost‑effective 8-bit MCU
Note: Designed for automotive‑grade reliability with integrated peripherals suitable for low‑ to mid‑complex control tasks.

LQFP (Low-Profile Quad Flat Package).