MC908AP32CFAE

MC908AP32CFAE is an 8‑bit microcontroller from Freescale/NXP in the MC908AP/HCS08 family. It combines a compact in‑chip MCU core with a moderate amount of flash memory and on‑chip peripherals, aimed at small to mid‑range embedded control tasks.
Key points
- Core and memory: 8‑bit HCS08 compatible core with on‑chip program flash (about 32 KB) and RAM (a few KB).
- Peripherals: serial interfaces (SCI/UART), I2C, SPI, ADC with multiple channels, analog comparator, timers/PWM, watchdog, and clock/power management features.
- Programming/debugging: supports in‑system programming and debugging (BDM‑style tooling).
- Power and packaging: designed for embedded systems with various low‑power modes; suffix CFAE indicates specific packaging/temperature revision—see the datasheet for exact details.
- Applications: suitable for automotive/industrial control, sensing and actuation, embedded controllers requiring a small, cost‑effective MCU with mixed‑signal peripherals.
For exact specifications (RAM size, clock speeds, package type, operating temp), consult the MC908AP32CFAE datasheet and the NXP Freescale product catalog.

Key features of MC908AP32CFAE (HCS08 MCU):
- 8-bit HCS08 CPU core
- On-chip memory: up to 32 KB flash; RAM typically 1–2 KB
- Analog: multi-channel ADC (8/10-bit, configurable)
- Peripherals: SCI/UART, SPI, I2C
- Timers: multiple 16-bit timers with PWM outputs
- Clocking: internal oscillator plus optional external clock
- Power: operates from 2.7 to 5.5 V; low‑power run/wait/stop modes
- Debug/programming: in-system programming with background debug module (BDM)
- Clock/interrupt versatility: flexible clocking and interrupt system
- Misc: watchdog timer, reset/status features
- Temperature/package variants: commercial and extended ranges available (depends on specific part)
Note: exact RAM, ADC details, and package/temperature options vary by specific device revision.

Plastic LQFP package, 44-pin.

- Pin count: 32 pins.
- Function: Freescale MC908AP32CFAE is an 8-bit HCS08 microcontroller with on-chip program flash and RAM, GPIO I/O, analog-to-digital converter, timers, and serial peripherals (SCI/SPI), for embedded control applications.

- Manufacturer: Freescale Semiconductor (now part of NXP Semiconductors).
- What kind of company: A semiconductor company specializing in embedded processors and microcontrollers (embedded solutions for automotive, industrial, and consumer electronics). Freescale originated as a Motorola spin-off in 2004 and was acquired by NXP in 2015.

MC908AP32CFAE is suitable for cost- and power-conscious 8‑bit control tasks. Common application areas include:
- Automotive body electronics and gateway modules (climate control, door modules, instrument panels)
- Industrial automation and sensor interfaces (data acquisition, I/O control, small motor control)
- Consumer electronics and home appliances (control boards, remote controls)
- HVAC/building automation and environmental control
- Portable/low-power devices needing compact MCU solutions

Direct equivalent: NXP MC9S08AP32 (32 KB flash, HCS08 core).
Other equivalents: MC9S08AP32 variants in different packages (same device/features).
Note: always verify against NXP cross-reference for exact pinout, package, and temperature ratings.