MC9S08AC32MFGE - 8-bit MCU, 32KB Flash, 40MHz, LQFP-44 | NXP
MPN: MC9S08AC32MFGE ✓ Hoạt độngMC9S08AC32MFGE Tóm tắt
An 8-bit microcontroller is an integrated circuit that executes control and data-processing tasks using an 8-bit-wide CPU data path. Within the embedded-system hierarchy, the MC9S08AC32 belongs to the S08 family of the HCS08 architecture, which sits between simple 8-bit timers/logic and 32-bit application processors. The S08AC family is the third family in NXP (formerly Freescale) Flexis series, and is pin-, peripheral- and tool-compatible with the 32-bit MCF51AC ColdFire V1 devices, giving designers a migration path from 8-bit to 32-bit performance without redesigning the PCB.
Key features include 32KB (32K x 8) Flash program memory with in-application reprogrammability, a 40MHz HCS08 CPU core, 38 general-purpose I/O lines, and operation from a single 2.7V to 5.5V supply that covers both 3.3V and 5V industrial rails. The AC family's shared peripheral set across the AC128/96/60/48/32 variants allows firmware and board reuse across memory-density points.
Architecturally, the HCS08 CPU is an enhanced, fully upward-compatible member of the HC08 family, with a background debug mode (BDM) for non-intrusive flash programming and debugging. The internal bus runs at 20MHz, providing deterministic 8-bit real-time control behavior typical of automotive body and industrial control MCUs.
Typical applications include small home appliances, HVAC blowers, battery chargers, power supplies, industrial sensors, and consumer control panels, where a low-cost 8-bit core with adequate flash and robust I/O drive is required. The 44-LQFP 10x10 mm footprint suits compact two- and four-layer boards.
Design consideration: verify supply voltage selection for the operating frequency point used, since the S08 core frequency derates with supply voltage; use 100nF decoupling on each VDD/VSS pair.
This page adds value beyond the manufacturer datasheet by consolidating distributor pricing, verified drop-in alternatives (including the Flexis-compatible AC96 and PT family variants), and practical design notes in one place.
Bộ thay thế dễ dàng lắp đặt cho MC9S08AC32MFGE — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với MC9S08AC32MFGE (cùng hình factor và footprint) — khác nhau ở Package, RoHS Status, Core Processor, Flash Memory Size, Supply Voltage.
MC9S08AC32CFGE
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S08AC32CFGER
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MC9S08AC96CFGER
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MC9S08AW32CFGER
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MC9S08PT32AVLD
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S08AC32MFGE Tỷ lệ tối đa & tính chất điện
| Core Processor | S08 (HCS08) |
| Core Size | 8-Bit |
| Max CPU Clock Speed | 40 MHz |
| Internal Bus Frequency | 20 MHz |
| Flash Memory Size | 32KB (32K x 8) |
| Program Memory Type | FLASH |
| Supply Voltage Range | 2.7 V to 5.5 V |
| Number of I/O | 38 |
| Hộp | 44-LQFP (10x10 mm) |
| Kiểu lắp đặt | Surface Mount |
| Series | S08AC (Flexis) |
| Trạng thái vòng đời | ACTIVE |
| Trạng thái RoHS | RoHS Compliant |
Hướng dẫn cấu hình chân MC9S08AC32MFGE 44-lqfp (10x10 mm)
Cấu hình chân cho MC9S08AC32MFGE (44-lqfp (10x10 mm) gói). IC số này bao gồm chân GPIO, giao diện truyền thông (UART, SPI, I2C) và chân nguồn. Tham khảo tài liệu thông số kỹ thuật của nhà sản xuất để biết các chức năng chân thay thế và tùy chọn cấu hình. Cực kỳ quan trọng cho thiết kế hệ thống tích hợp và lập trình PCB.
Không có dữ liệu chân cụ thể sẵn có cho MC9S08AC32MFGE.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
MC9S08AC32MFGE phù hợp cho 6 Áp dụngs: Home Appliance Control, HVAC Blower and Fan Control, Battery Chargers and Power Supplies, Industrial Sensors and Transmitters, Consumer Control Panels and Keypads, Automotive Body and Accessory Modules.
Home Appliance Control
The MC9S08AC32MFGE fits appliance control boards such as washing machines, refrigerators, and small kitchen appliances where a low-cost 8-bit MCU with adequate flash and robust I/O is required. Its 32KB Flash holds full application firmware including UI logic, sensor sampling, and actuator control, while 38 GPIO lines drive relays, LEDs, and keys directly. The 2.7V to 5.5V supply range tolerates noisy appliance power with simple regulation. Because the S08AC family is pin-compatible from 32KB to 128KB, a single PCB layout supports feature-tiered product variants by swapping only the MCU ordering code, cutting BOM complexity and firmware maintenance effort across the product line.
Được đề xuất
HVAC Blower and Fan Control
In HVAC blowers and fan modules, the MC9S08AC32MFGE provides deterministic 8-bit real-time control at a 20MHz internal bus frequency, sufficient for closed-loop speed regulation using PWM outputs and tach feedback captured on its I/O. The 40MHz HCS08 core executes the control ISR with predictable latency, and the wide 2.7V to 5.5V supply accommodates industrial 5V rails common in HVAC boards. Its Flexis AC membership means designs can later move to the 32-bit MCF51AC on the same footprint if sensor-fusion or advanced algorithms are added. The 44-LQFP 10x10 mm body fits compact controller PCBs mounted directly on the blower housing.
Được đề xuất
Battery Chargers and Power Supplies
Smart chargers and auxiliary power-supply supervision benefit from the MC9S08AC32MFGE's combination of low cost, flash reprogrammability, and multiple general-purpose I/O. The 32KB Flash stores charging state machines, CC/CV profiles, and fault logs, while the S08 core's deterministic interrupts handle ADC-triggered control loops at kHz rates. Operating down to 2.7V allows direct interfacing with 3.3V telemetry circuitry, and 5.5V tolerance suits chargers powered from 5V USB or industrial supplies. Using the same footprint AC96 variant adds logging capacity for multi-chemistry charger platforms without redesign. The 38 I/O can drive display segments, charge-status LEDs, and relay control in one low-cost package.
Được đề xuất
Industrial Sensors and Transmitters
For 2-wire loop-powered transmitters and industrial sensor heads, the MC9S08AC32MFGE offers an attractive power and integration point. The core operates from a 2.7V minimum supply, leaving headroom for loop-power budgeting, and the S08's low run current keeps total transmitter consumption within 4-20mA loop limits when duty-cycled. Its 32KB Flash stores linearization tables and HART-style communication routines, while multiple I/O support ADC interfacing and switch outputs. The 44-LQFP surface-mount package withstands industrial temperature handling with standard assembly processes. Because S08 development tools are mature and low-cost, sensor platforms built on this MCU are maintainable over long industrial product lifecycles.
Được đề xuất
Consumer Control Panels and Keypads
Control panels with keypads, LEDs, and small displays are a classic S08AC fit: the MC9S08AC32MFGE's 38 GPIO lines scan key matrices and drive indicator arrays directly, eliminating port expanders. The 40MHz CPU / 20MHz bus executes debounce, menu logic, and display refresh without waiting states, and 32KB Flash accommodates multilingual UI strings and OTA-style field-updatable settings. The wide 2.7V to 5.5V supply supports both 3.3V logic LED drivers and 5V legacy panels. Using the pin-compatible AC family ladder (32KB to 128KB), one PCB supports basic and premium panel variants, amortizing tooling and certification costs across the product family.
Được đề xuất
Automotive Body and Accessory Modules
The S08AC architecture originates from Freescale's automotive-oriented S08 lineages, and the MC9S08AC32MFGE is used in automotive accessory functions such as mirror controls, seat-adjust modules, lighting sequencing, and TPMS-adjacent nodes where an 8-bit core suffices. The 40MHz HCS08 core provides headroom for LIN-style communication bit-banging or timer-driven PWM dimming, and the 5V-tolerant 2.7V to 5.5V supply matches automotive 5V internal rails. The 38 I/O drive lamps, relays, and Hall-sensor inputs. Confirm the exact temperature grade of the ordering code against the module's qualification requirements before use, since grade details are encoded in the NXP ordering suffix.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho MC9S08AC32MFGE — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | MC9S08AC32CFGE | MC9S08AC96CFGER | MC9S08AW32CFGER | MC9S08PT32AVLD |
|---|---|---|---|---|---|
| Package | 44-LQFP (10x10 mm) | 44-LQFP (10x10 mm) - same | 44-LQFP (10x10 mm) - same | 44-LQFP - same footprint | 44-LQFP (QFP 44) - same footprint |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core / Clock | S08, 40 MHz CPU / 20 MHz bus | S08, 40 MHz | S08, 40 MHz | S08, 40 MHz | S08, similar clock class |
| Flash Memory | 32 KB | 32 KB | 96 KB | 32 KB | 32 KB |
| Family / Flexis Compatibility | S08AC (Flexis, MCF51AC-compatible) | S08AC (Flexis) | S08AC (Flexis) | S08AW (not Flexis) | S08PT (not Flexis) |
| Pin Compatibility | Reference | Pin-to-pin (FindIC: complete replace) | Pin-to-pin (same AC family) | Verify pinout before substitution | Verify pinout before substitution |
Bảo phân biệt quan trọng
- Flexis migration flexibility (vsMC9S08AW32CFGER)
- In-family memory scalability (vsMC9S08PT32AVLD)
- Wide supply range (vsMC9S08AC96CFGER)
Ghi chú thiết kế
Operate the MC9S08AC32MFGE from a well-decoupled 4.5V to 5.5V rail when running at the full 40MHz CPU / 20MHz bus frequency. The 2.7V to 5.5V datasheet range is valid, but the allowed bus frequency derates toward the low end of the supply range, so systems near 3.3V must verify the maximum frequency point in the NXP technical data sheet's supply-versus-frequency graph before finalizing the clock plan. Estimated: decouple each VDD/VSS pair with 100nF ceramic capacitors placed within 3mm of the pins, plus a 10uF bulk capacitor near the regulator.
The 44-LQFP 10x10 mm footprint requires thermal relief only in exceptional cases; place the part with at least 2mm clearance between adjacent fine-pitch ICs for reflow soldering quality. Route analog signals (ADC inputs, comparator references) away from switching loads driving relays or LEDs on the 38 GPIO lines, using the ground plane as a shield. Keep the crystal/resonator traces short and guard them with ground if bus frequency accuracy matters for communication timing. This layout practice carries over unchanged when migrating to AC96 or MCF51AC Flexis variants on the same footprint.
Do not assume cross-family substitution is drop-in: MC9S08AW32CFGER and MC9S08PT32AVLD share 32KB Flash and the 44-pin QFP footprint but belong to different families with different pin multiplexing. Only devices within the S08AC family (AC32/48/60/96/128) are guaranteed pin-, peripheral- and tool-compatible per NXP. Also verify the ordering-code suffix encodes the required temperature grade and package flow (MFGE vs CFGE/CFGER differ in qualification details), and always program the flash security byte to match your production programming workflow.
Thông tin tuân thủ
Listed as ROHS COMPLIANT in datasheet specification summaries (chipdig/digchip). AEC-Q100 qualification and REACH status not stated in provided data.
