MC9S08RG32FJE - 8-Bit 8MHz 32KB MCU 32-LQFP | NXP
MPN： MC9S08RG32FJE ✗ 停產MC9S08RG32FJE 概覽
A microcontroller is a programmable integrated circuit that executes firmware, reads inputs, controls outputs, and interfaces with sensors, communications circuits, and actuators. The S08 family belongs to the embedded MCU hierarchy and combines a CPU core, nonvolatile program memory, data memory, timers, serial interfaces, and GPIO resources in one compact device.
The MC9S08RG32FJE combines 32 KB of flash with 2 KB of RAM and operates at up to 8 MHz. This combination is appropriate for compact embedded products that require nonvolatile firmware storage, deterministic peripheral control, and modest processing throughput. Its 32-LQFP package provides a higher pin count than a small-outline package while retaining a board footprint of 7 mm by 7 mm.
The S08 architecture is intended for cost-sensitive embedded control rather than high-performance computing. Applications must account for the limited RAM and flash budgets when selecting the application architecture, bootloader strategy, communication stack, and logging strategy. The verified data does not specify the exact peripheral set, supply voltage, operating-temperature range, or individual pin assignments.
Typical uses include compact motor controllers, appliance controls, small sensor nodes, simple keypad interfaces, and low-cost embedded instrumentation. A design can place the MCU beside a power regulator, input conditioning, display or communication interface, and output drivers, with the firmware coordinating those functions.
Before layout, use the manufacturer datasheet and package drawing to verify every pin, supply requirement, decoupling recommendation, and programming connection. Do not infer missing electrical details from a distributor category label, and confirm software-tool and bootloader compatibility before committing the part to a new design.
This page consolidates verified distributor specifications, sourcing information, and design caveats for engineers evaluating the MC9S08RG32FJE, while clearly separating confirmed values from parameters that require manufacturer documentation.
直接替換替代品，適用於 MC9S08RG32FJE — 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： MC9S08RG32FJE （相同外形與佔位） — 差異在於 Package, Product Type, RoHS Status, RAM, Maximum Clock Frequency.
MC9S08AC32CFJE
✅ 直接替換聯絡詢價
查看資料表 →MC9S08AC32CFGE
✅ 直接替換聯絡詢價
查看資料表 →MC9S08DN32MLF
✅ 直接替換聯絡詢價
查看資料表 →MC9S08EL32CTJ
✅ 直接替換聯絡詢價
查看資料表 →MC9S08SH16CTG
✅ 直接替換聯絡詢價
查看資料表 →MC9S08RG32FJE 最大額定值與電氣特性
| Product Type | 8-bit embedded microcontroller |
| Architecture | S08 |
| 最大時脈頻率 | 8 MHz |
| Program Memory | 32 KB flash |
| Program Memory Organization | 32K x 8 |
| RAM | 2 KB |
| 封裝 | 32-LQFP, 7 mm x 7 mm |
| 腳位數 | 32 pins |
| 安裝類型 | Surface mount |
| Manufacturer | NXP Semiconductors / Freescale Semiconductor |
| Device Category | Microcontroller IC |
MC9S08RG32FJE 32-lqfp, 7 mm x 7 mm 腳位配置指南
MC9S08RG32FJE（32-lqfp, 7 mm x 7 mm 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： MC9S08RG32FJE.
請參閱 資料表 以查看完整腳位配置。
典型應用
MC9S08RG32FJE 適用於 8 應用s: Compact Appliance Control, Small Motor and Relay Control, Industrial Sensor Node, Keypad and Display Interface, Cost-Sensitive Embedded Instrument, Battery-Powered Control Module, Communication-Enabled Peripheral, Legacy Embedded Platform Refresh.
Compact Appliance Control
The MC9S08RG32FJE is suited to compact appliance controllers where an 8-bit MCU must execute deterministic control logic without a large processor. Its 32 KB flash provides room for application firmware, while 2 KB RAM supports short working buffers, state machines, and limited communication handling. The 32-LQFP package can simplify routing compared with a very small leadless package. The design must still verify the exact GPIO, timer, ADC, communication, and supply pins in the manufacturer datasheet.
推薦
Small Motor and Relay Control
The 8 MHz S08 core and 32 KB flash capacity make MC9S08RG32FJE a candidate for small relay, solenoid, or motor-control products, provided the required PWM, timer, and I/O resources are present. Firmware can sequence actuator outputs, read sensors, and manage protection states within the 2 KB RAM budget. The 32-LQFP package offers more external connections than many compact packages, but the exact pin multiplexing and electrical drive limits are not present in the verified snippets and must be checked before schematic capture.
推薦
Industrial Sensor Node
MC9S08RG32FJE can form the control core of a small industrial sensor node that periodically samples inputs, applies filtering, records state, and reports through a serial interface. Its 8 MHz clock is adequate for many low-bandwidth measurement and control loops, while 32 KB flash holds application code and 2 KB RAM supports a bounded data path. Use a buffered communication interface and careful grounding when connecting sensors. Confirm ADC, timer, serial, watchdog, and low-power features in the manufacturer documentation rather than inferring them from the family name.
推薦
Keypad and Display Interface
The S08 architecture and 32 KB flash capacity make MC9S08RG32FJE appropriate for a compact keypad, menu, or display-control subsystem that must handle debouncing, state management, and user feedback. The 32-LQFP package provides a practical number of external connections for display segments, buttons, and serial transceivers, subject to the actual pin map. Firmware should avoid allocating unbounded buffers because RAM is only 2 KB. Verify segment drive, communication, and electrical interface requirements against the datasheet before selecting displays or connectors.
推薦
Cost-Sensitive Embedded Instrument
The MC9S08RG32FJE is a practical candidate for a compact embedded instrument with a short measurement cycle, local controls, and a serial data output. An 8 MHz S08 processor can coordinate sampling and control routines, while 32 KB flash accommodates a focused application rather than a large graphical application. The 2 KB RAM limit encourages streaming processing and compact data structures. Before layout, validate the analog inputs, reference requirements, ADC performance, supply range, and grounding strategy using the official family documentation.
推薦
Battery-Powered Control Module
The MC9S08RG32FJE can be evaluated for a small battery-powered control module when its architecture, I/O, and low-power behavior match the product requirements. The verified data confirms an 8-bit S08 core, 8 MHz maximum clock, 32 KB flash, 2 KB RAM, and 32-LQFP package, but it does not confirm sleep currents or analog performance. Therefore, calculate average power from the actual operating modes and use the manufacturer datasheet for battery-life estimates. Place the MCU near the power regulator and follow the documented decoupling and layout requirements.
推薦
Communication-Enabled Peripheral
MC9S08RG32FJE can serve as the local controller in a peripheral that accepts commands, maintains device state, and drives outputs through UART, SPI, or another supported interface. The 8 MHz processing rate and 32 KB flash are suitable for lightweight protocol handling, but the verified data does not identify the available serial peripherals or their electrical limits. Select a transceiver based on the actual interface, voltage levels, and bus requirements, and verify pin multiplexing in the manufacturer package drawing. This avoids confusing a similar MPN with a drop-in replacement.
推薦
Legacy Embedded Platform Refresh
MC9S08RG32FJE is relevant when maintaining an S08-based embedded platform where retaining the established architecture and software tool flow is more valuable than adopting a different MCU family. The 8 MHz core, 32 KB flash, 2 KB RAM, and 32-LQFP package give engineers a defined baseline for a controlled redesign or repair. A refresh should verify lifecycle status, sourcing, pin compatibility, programming, and any changes in electrical requirements. Because lifecycle status is not stated in the verified data, purchasing decisions should require current manufacturer or authorized-distributor confirmation.
推薦
推薦產品摘要
工程參考資料，適用於 MC9S08RG32FJE — 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 | MC9S08AC32CFJE | MC9S08AC32CFGE | MC9S08DN32MLF | MC9S08EL32CTJ | MC9S08SH16CTG |
|---|---|---|---|---|---|---|
| Package | 32-LQFP (7x7) | 32-LQFP (7x7) - not independently verified | 32-LQFP (7x7) - not independently verified | 32-LQFP (7x7) - not independently verified | 32-LQFP (7x7) - not independently verified | 32-LQFP (7x7) - not independently verified |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
主要差異化特點
- Confirmed 32 KB flash and 2 KB RAM allocation (對比MC9S08AC32CFJE)
- Confirmed 8 MHz operating class (對比MC9S08DN32MLF)
- 32-LQFP 7 mm by 7 mm package baseline (對比MC9S08EL32CTJ)
- Established distributor availability signal (對比MC9S08SH16CTG)
設計說明
Treat the 32-LQFP footprint as a controlled mechanical and electrical interface. Confirm pin numbering, exposed or non-exposed pad details, pin-1 orientation, land pattern dimensions, and solder mask clearance against the manufacturer package drawing before release. The verified web data confirms a 7 mm by 7 mm 32-LQFP package but does not provide a complete pin map, so do not route power, ground, programming, or peripheral signals from memory.
Design the power tree around the exact supply-voltage range and decoupling values in the MC9S08RG32 family datasheet. The supplied data does not include the operating voltage, absolute maximum ratings, or current limits, so a regulator selection based only on the 8 MHz clock specification would be unsafe. Verify startup behavior, internal supply sequencing, external clock requirements, and I/O voltage tolerance before connecting sensors, displays, or communication transceivers.
Do not assume that an MPN containing the same 32-related designation is a drop-in replacement. Firmware can depend on the S08 peripheral map, memory organization, vector table, clock settings, and programming interface even when the physical package appears identical. For any alternative, compare every pin, supply rail, reset connection, oscillator option, peripheral instance, and package tolerance. The verified search data does not establish pin compatibility for the listed alternatives.
Calculate the actual device dissipation from the measured supply voltage, active current, I/O load, clock activity, and ambient temperature rather than using the processor frequency alone. The verified data does not provide thermal resistance or maximum power dissipation, so no numerical junction-temperature result can be stated. Use the manufacturer thermal characterization data and PCB copper area, while keeping the MCU away from heat-generating power stages where possible.
Keep sensitive sensor and communication routes short, use continuous ground references, and place decoupling and protection components close to their associated pins. The supplied material does not confirm ADC characteristics, serial-interface ratings, or clock sensitivity. Validate trace length, source impedance, filtering, and grounding with the actual external circuit; use oscilloscope measurements during bring-up rather than assuming that an 8 MHz control clock can recover poor signal integrity.
合規資訊
The verified distributor and manufacturer-related results do not provide compliance declarations for the exact MC9S08RG32FJE orderable MPN. Obtain current manufacturer or authorized-distributor documentation before making a compliance claim.