MC908GR32AMFJ - 8-Bit 8MHz 32KB Flash MCU | NXP Semiconductors
MPN： MC908GR32AMFJ ✗ 停產MC908GR32AMFJ 概覽
The device is identified as part of the HC08 microcontroller family and uses an 8-bit architecture with CISC characteristics. The listed 8 MHz clock and 32 KB Flash capacity provide the core resources needed for embedded firmware, peripheral control, and digital I/O handling. The 32-LQFP package exposes a conventional leaded surface-mount footprint rather than a fine-pitch BGA, easing assembly and inspection on moderate-density boards. The verified distributor data does not provide RAM size, peripheral details, electrical limits, or lifecycle wording beyond the source snippets, so those values are not inferred here.
Typical HC08 applications include automotive body electronics, sensor interfaces, actuator controllers, panel logic, and compact embedded control modules. The 3.3 V/5 V description in the verified technical listing suggests compatibility with common embedded supply domains, but the exact operating-voltage range and absolute maximum ratings still require confirmation from the manufacturer datasheet. The Flash memory can hold firmware and nonvolatile configuration data, while the MCU's 8-bit bus is appropriate for control-oriented rather than high-bandwidth processing tasks.
For new designs, verify the exact pin multiplexing, memory map, reset behavior, clock configuration, and peripheral availability against the HC08 device documentation before layout release. A 32-LQFP footprint also requires checking pin pitch, courtyard clearance, solder mask, and assembly capability; the distributor snippet confirms the 7 x 7 mm class but does not establish manufacturing tolerances. This page combines the verified distributor specifications with practical sourcing and design guidance, while clearly separating unavailable data from confirmed facts.
直接替換替代品，適用於 MC908GR32AMFJ — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： MC908GR32AMFJ （相同外形與佔位） — 差異在於 Package, Mounting Type, ADC, Core, Core Processor.
MC68HC908GP32CB
✅ 直接替換聯絡詢價
查看資料表 →MC908AZ32AVFUE
✅ 直接替換聯絡詢價
查看資料表 →MC9S08DZ32F2VLCR
✅ 直接替換📋 參考替代品（不在目錄中）
MC9S08DN32CLC
✅ 直接替換聯絡詢價
查看資料表 →MC9S08EL32F1CTJ
✅ 直接替換📋 參考替代品（不在目錄中）
MC908GR32AMFJ 最大額定值與電氣特性
| Product Type | 8-bit CISC microcontroller |
| Architecture | HC08 |
| CPU Bit Width | 8 bit |
| Clock Frequency | 8 MHz |
| Flash Memory | 32 KB (32K x 8) |
| Supply Description | 3.3 V / 5 V |
| 封裝 | 32-LQFP (7 x 7 mm) |
| 安裝類型 | Surface mount |
| Package Pin Count | 32 pins |
| 記憶體類型 | Flash |
| Instruction Set | CISC |
| Microcontroller Family | HC08 |
| Automotive Qualification | AEC-Q100 listed in verified technical data |
MC908GR32AMFJ 32 pins 腳位配置指南
MC908GR32AMFJ（32 pins 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： MC908GR32AMFJ.
請參閱 資料表 以查看完整腳位配置。
典型應用
MC908GR32AMFJ 適用於 6 應用s: Automotive Body Control Module, Sensor Interface and Digital I/O Control, Actuator and Relay Sequencing, Instrument Panel and Indicator Logic, Industrial Control and Equipment Monitor, Compact Embedded Control Module.
Automotive Body Control Module
MC908GR32AMFJ is a candidate for compact automotive body-control logic because the verified technical listing associates the device with AEC-Q100 and identifies a 3.3 V/5 V, 8-bit HC08 platform. Its 8 MHz clock and 32 KB Flash are suitable for supervisory tasks such as switch monitoring, actuator sequencing, and diagnostic state handling. The controller would normally read inputs, apply debounce and vehicle-state logic, and drive discrete interface circuits. Because the supplied data does not specify RAM, exact voltage limits, temperature range, or pin functions, the design must be checked against the original datasheet and qualification documentation before production use.
推薦
Sensor Interface and Digital I/O Control
The 8-bit HC08 architecture and 8 MHz operating rate make MC908GR32AMFJ suitable for low-to-moderate bandwidth sensor aggregation and digital I/O control. A practical circuit would place input conditioning and protection ahead of the MCU, then use embedded firmware to convert switch, resistive, or digital sensor states into actuator commands and diagnostic data. The confirmed 32 KB Flash provides room for program storage and nonvolatile constants, while the 32-LQFP package keeps the design compact without requiring a BGA assembly. Exact peripheral availability, I/O levels, ADC functions, and pin multiplexing are not in the supplied data and must not be assumed.
推薦
Actuator and Relay Sequencing
For relay, solenoid, and discrete actuator sequencing, MC908GR32AMFJ can provide deterministic firmware timing and centralized control. The 8 MHz HC08 core and 32 KB Flash are appropriate for state machines, debounce logic, interlocks, fault counters, and service diagnostics rather than high-bandwidth signal processing. External driver transistors, protection networks, and inductive-load suppression remain necessary because the MCU is a controller, not a power stage. The verified data does not identify output-drive current or pin-level limits, so every connected load must be sized from the manufacturer electrical specifications and validated with worst-case timing analysis.
推薦
Instrument Panel and Indicator Logic
MC908GR32AMFJ can serve as the supervisory controller for display buttons, status indicators, warning lamps, and panel interlocks. Its 8-bit processing and 32 KB Flash are well aligned with low-speed menu logic, lamp-state management, debounce, and diagnostic messages. A panel implementation would typically scan switches, update a display or LED driver through a separate bus, and enforce timing or safety interlocks in firmware. The compact 32-LQFP 7 x 7 mm package supports board-space reduction, but verified data does not specify communications peripherals or display interfaces. Confirm the required serial interface, timing, and pin assignments in the device documentation before selecting companion components.
推薦
Industrial Control and Equipment Monitor
MC908GR32AMFJ is a candidate for small industrial equipment monitors that must consolidate switch states, sequence outputs, and retain fault information. Its 8 MHz clock and 32 KB Flash allow embedded firmware to implement operating-state machines and service logs without a separate memory device. The controller can supervise relays, monitor external sensors, and report conditions through the communication peripherals that the exact HC08 variant provides. However, the supplied excerpts do not confirm industrial temperature ratings, isolation, EMC performance, or a specific communications block. Those qualifications must be established from the manufacturer datasheet and system-level testing before use in an industrial enclosure.
推薦
Compact Embedded Control Module
MC908GR32AMFJ fits compact embedded modules where the controller, Flash program storage, and moderate I/O capability need to coexist on a small board. Its 32-LQFP package provides a leaded surface-mount option that can simplify visual inspection and prototype assembly compared with a fine-pitch BGA. The 8-bit HC08 platform is appropriate for supervisory functions, local configuration, and low-speed protocol handling when the application's bandwidth and peripheral requirements are modest. The exact pin count, exposed pad arrangement, programming interface, and required bypass network are not supplied, so the land pattern and firmware bring-up plan must be based on the exact device documentation.
推薦
推薦產品摘要
工程參考資料，適用於 MC908GR32AMFJ — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | MC68HC908GP32CB | MC908AZ32AVFUE | MC9S08DZ32F2VLCR | MC9S08DN32CLC | MC9S08EL32F1CTJ |
|---|---|---|---|---|---|---|
| Package | 32-LQFP (7 x 7 mm) | 32-LQFP (7 x 7 mm) - package class stated | 32-LQFP (7 x 7 mm) - package class stated | 32-LQFP (7 x 7 mm) - package class stated | 32-LQFP (7 x 7 mm) - package class stated | 32-LQFP (7 x 7 mm) - package class stated |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
主要差異化特點
- HC08-specific software and memory context (對比MC9S08DZ32F2VLCR)
- Confirmed 8 MHz operating class (對比MC9S08DN32CLC)
- Automotive-oriented listing (對比MC9S08EL32F1CTJ)
設計說明
Do not release the 32-LQFP land pattern from the distributor package description alone. Confirm pin numbering, pin pitch, pad dimensions, any exposed thermal pad, solder-mask clearance, and courtyard requirements from the exact MC908GR32AMFJ package drawing. The verified listing confirms a 32-LQFP 7 x 7 mm class, but it does not provide the manufacturing footprint.
Treat the verified 3.3 V/5 V description as a system clue, not a complete power specification. Before connecting external modules, confirm the device's supply range, I/O voltage thresholds, absolute maximum ratings, reset behavior, and power-consumption limits from the manufacturer datasheet. Add the required local bypass and sequencing components only after confirming the actual pin and voltage requirements.
A 32-LQFP package and 32 KB Flash rating are not sufficient to establish replacement compatibility. The HC08 memory map, interrupt vector table, peripheral registers, pin multiplexing, clock setup, programming interface, and firmware toolchain must all match or be deliberately redesigned. Validate any candidate with a schematic review, compile test, timing analysis, and board-level bring-up before calling it a drop-in part.
Route sensitive signal paths away from relay drivers, inductive loads, motor traces, and other switching nodes. Keep the MCU ground and decoupling return path compact, provide controlled reset and programming access, and follow the exact package pin map when assigning multiplexed functions. Since the supplied data does not identify analog, communication, or timing pins, these assignments must be checked against the full datasheet rather than inferred.
合規資訊
AEC-Q100 is stated in the supplied technical listing. RoHS, REACH, lead-free, halogen-free, and conflict-minerals status are not supplied and must be confirmed from current manufacturer or distributor documentation.