MC908GZ48CFAE - 8-Bit HC08 48KB Flash MCU | NXP 48-LQFP
부품 번호: MC908GZ48CFAE ✗ 단종| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
MC908GZ48CFAE 개요
An 8-bit microcontroller (MCU) is a single-chip computer integrating a CPU, program memory (Flash/ROM), data memory (RAM), timers, communication peripherals, and I/O on one silicon die. The HC08 family is a direct ancestor of the modern S08 and S12 families, used widely in automotive body electronics, appliance controls, and industrial sensor interfacing where small code size and proven tool chains matter more than raw throughput. Within the broader taxonomy, MC908GZ48CFAE belongs to: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor IC.
The MC908GZ48CFAE communicates with host tools and external devices through a serial monitor ROM, an SCI (serial communications interface), and a 10-bit ADC for analog signal acquisition. The 48 KB Flash supports in-application reprogramming for field firmware updates, while on-chip RAM provides working memory for stack and variables. Its 48-LQFP footprint gives designers ample I/O access for mixed-signal PCBs.
Architecturally, the part uses the M68HC08 CPU with a 16-bit internal index/Stack pointer and an 8-bit accumulator, giving efficient C and assembly coding for byte-oriented control loops. The device operates across an extended temperature range suitable for industrial and automotive under-hood subsystems and tolerates a wide supply range compatible with 5 V digital logic.
Typical applications include HVAC blower controllers, appliance user-interface panels, small motor drivers, sensor conditioning nodes, and CAN/LIN slave ECUs in cost-optimized vehicle body networks. Engineers select it when they need a stable, long-lifecycle 8-bit controller with a familiar toolchain (CodeWarrior HC08, P&E Micro debugger) rather than a Cortex-M0 equivalent.
When prototyping, route the oscillator/PLL pins with short traces to a 4 MHz crystal or ceramic resonator, and decouple VDD/VSS pairs with 100 nF plus bulk capacitors placed within 5 mm of each pair. The HC08 core has no internal voltage regulator on this variant, so an external regulated 5 V rail is required.
This page synthesizes distributor stock, lifecycle notes, and packaging-level substitutes not found on a single manufacturer page.
드롭인 대체품: MC908GZ48CFAE — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: MC908GZ48CFAE (동일 폼 팩터 및 풋프린트) — 차이점: Package, ADC, Core, Program Memory Size, Timers.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
MC9S08GZ60F1MLF
✅ 드롭인 ⚠️ 사양 미검증📋 참조 대체품 (카탈로그에 없음)
MC9S08GZ32F1MLF
✅ 드롭인 ⚠️ 사양 미검증📋 참조 대체품 (카탈로그에 없음)
MC68HC908GZ60CFAE
✅ 드롭인 ⚠️ 사양 미검증📋 참조 대체품 (카탈로그에 없음)
MC908GZ48CFAE 최대 정격 & 전기적 특성
| Core | M68HC08 |
| 데이터 버스 폭 | 8 bit |
| Program Memory Size | 48 KB (48K x 8) Flash |
| 최대 클록 주파수 | 8 MHz |
| ADC Resolution | 10 bit |
| 패키지 | 48-LQFP (7x7 mm) |
| 실장 유형 | Surface Mount |
| 핀 수 | 48 |
MC908GZ48CFAE 48-lqfp (7x7 mm) 핀 구성 가이드
MC908GZ48CFAE(48-lqfp (7x7 mm) 패키지)의 핀 구성입니다. 이 디지털 IC에는 GPIO, 통신 인터페이스(UART, SPI, I2C), 전원 핀이 포함되어 있습니다. 대체 핀 기능과 구성 옵션은 제조사 데이터시트를 참조하십시오. 임베디드 시스템 설계와 PCB 레이아웃에 필수적입니다.
다음에 대한 상세 핀아웃 데이터 없음: MC908GZ48CFAE.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
MC908GZ48CFAE 적합 용도: 6 애플리케이션s: HVAC Blower Motor Controller, White-Goods User Interface Panel, Automotive Body ECU Slave Node, Industrial Sensor Conditioning Node, Appliance Timer and Cycle Controller, Small Pump and Valve Controller.
HVAC Blower Motor Controller
The MC908GZ48CFAE drives brushless DC and AC induction blower motors in residential HVAC systems, where deterministic 8-bit control and 48 KB of Flash match legacy firmware budgets. Its SCI peripheral interfaces to wall thermostats and to main control boards via UART; the 10-bit ADC reads thermistor and current-sense inputs for closed-loop RPM regulation. With 8 MHz CPU and the HC08 instruction set, the part executes PID loops with microsecond latency, suitable for slow thermal dynamics rather than high-frequency inverter switching. For new designs, prefer the S08GZ upgrade, but original-equipment replacement builds continue to fit this MCU.
추천
White-Goods User Interface Panel
The MC908GZ48CFAE is well suited to washing-machine and dishwasher human-machine interface (HMI) panels that combine a 7-segment LCD, push-buttons, and a rotary encoder. The 48 KB Flash accommodates state-machine firmware plus small character libraries; SCI/UART links the panel to the main appliance controller. The HC08 deterministic behavior simplifies IEC 60730 safety-class firmware auditing for routine-test compliance. Power consumption stays low because the core halts in WAIT mode between keypad scans.
추천
Automotive Body ECU Slave Node
The MC908GZ48CFAE served as a cost-optimized slave node in older CAN/LIN body-electronic networks - controlling simple loads such as seat heaters, mirror motors, or interior lighting. Its SCI peripheral plus an external CAN/LIN transceiver (e.g., TJA1057) provide vehicle-bus connectivity, while the HC08 core's small code footprint supports the typical 4-8 KB of body-control firmware. The 48-LQFP package exposes enough I/O for relay drivers and switch matrices. Note: AEC-Q100 qualification status was not confirmed in verified data; verify before reusing in new automotive builds.
추천
Industrial Sensor Conditioning Node
Industrial transducer nodes - pressure transmitters, level sensors, low-rate vibration pickoffs - use the MC908GZ48CFAE as a low-power ADC-front-end and serial-bridge controller. The 10-bit ADC digitizes 4-20 mA loop or 0-10 V transducer outputs, and the SCI uplinks scaled readings to a PLC or gateway. With 48 KB of Flash the part can host linearization tables and modest HART/Modbus framing. Its legacy HC08 core is rugged for electrically noisy plant floors.
추천
Appliance Timer and Cycle Controller
Refrigerator defrost timers, microwave oven timers, and similar cycle controllers rely on a small 8-bit MCU such as the MC908GZ48CFAE to manage multi-stage timing loops, relay actuation, and user input decoding. The 48 KB Flash fits complex menu and diagnostic firmware; the HC08 timer module supports precise hardware-based scheduling without CPU overhead. Using a legacy 8-bit MCU keeps BOM cost low in a price-sensitive consumer appliance.
추천
Small Pump and Valve Controller
Peristaltic dosing pumps, solenoid valve matrices, and similar low-bandwidth actuators use the MC908GZ48CFAE as a deterministic supervisory controller, sequencing pumps, and reading flow feedback. The 10-bit ADC closes the loop on analog current/voltage feedback, while the SCI logs run statistics to a host. This 8-bit core is well matched to slow process dynamics where latency is in the millisecond range, not microseconds.
추천
추천 제품 요약
엔지니어링 참조 데이터: MC908GZ48CFAE — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | MC9S08GZ60F1MLF | MC9S08GZ32F1MLF | MC68HC908GZ60CFAE |
|---|---|---|---|---|
| Package | 48-LQFP (7x7 mm) | 48-LQFP (7x7 mm) - same | 48-LQFP (7x7 mm) - same | 48-LQFP (7x7 mm) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | HC08 (M68HC08) 8-bit | S08 (M68S08) 8-bit | S08 (M68S08) 8-bit | HC08 (M68HC08) 8-bit - identical family |
| Maximum CPU Frequency | 8 MHz | 40 MHz (5x faster) | 40 MHz (5x faster) | 8 MHz - same |
| Flash Memory | 48 KB | 60 KB (+25%) | 32 KB (-33%) | 60 KB (+25%) |
| ADC Resolution | 10 bit | 10 bit - same | 10 bit - same | 10 bit - same |
| Lifecycle Status | Obsolete (NXP) | Active / in production | Active / in production | Obsolete (same family) |
| Pin-to-Pin Compatible | Reference | Yes, drop-in 48-LQFP | Yes, drop-in 48-LQFP | Yes, drop-in 48-LQFP |
주요 차별점
- Legacy 8-bit HC08 core toolchain maturity (vs MC9S08GZ60F1MLF)
- Lower unit cost in surplus market (vs MC9S08GZ60F1MLF)
- Slightly larger Flash than the S08GZ32 variant (vs MC9S08GZ32F1MLF)
설계 노트
The MC908GZ48CFAE has no internal voltage regulator on this 5V-rated variant, so the VDD pins must be fed from an external regulated 5 V rail (typical tolerance +/-5%). Decouple each VDD/VSS pair with a 100 nF ceramic placed within 5 mm of the relevant pins, and add a 10 uF bulk capacitor adjacent to the package. Estimated: assuming 20 mA active-core current at 8 MHz and 5 V, supply dissipation is approximately 100 mW; on the 48-LQFP with ~75 C/W theta_JA in still air, the junction rise is roughly 7.5 C above ambient.
Route the OSC1/OSC2 pins with traces shorter than 10 mm and keep them away from switching signal lines to avoid injected jitter on the CPU clock domain. Place the ground-return stitch between the MCU and the crystal/load capacitors to minimize ground-loop area. Add a guard ring around analog input pins (PTB0-PTB7) if their ADC channels are used, and avoid routing digital signals through the analog VREF/VRL pair when 10-bit resolution is required.
Do not assume the HC08's monitor ROM is always available - it depends on security-byte programming and the IRQ pin configuration, which can lock debug access. Always check the FPROT register setting before attempting in-circuit programming, and verify the part's serial number/derivative ID to confirm the mask revision matches your firmware. Estimated: typical code execution timing at 8 MHz CPU clock gives a 125 ns instruction cycle; loops running longer than ~50 ms indicate ISR latency issues to investigate.
규정 준수 정보
Compliance information was not present in the Verified Web Data or Internal Database Data provided. All compliance fields marked unknown rather than guessed. The 48-LQFP package on this legacy 5V HC08 part predates current RoHS-Pb-free mandates, but exact compliance status depends on the manufacturer's specific assembly lot.