MC9S08RG32CFGE - 8-bit 32KB Flash S08 MCU | NXP 44-LQFP
Référence : MC9S08RG32CFGE ✗ Fin de vie| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $8.5 | $8,50 |
| 10 | $7.65 | $76,50 |
| 100 | $6.8 | $680,00 |
| 500 | $6.1 | $3 050,00 |
| 1 000 | $5.55 | $5 550,00 |
MC9S08RG32CFGE Présentation
Background: An 8-bit microcontroller (MCU) is a single-chip computer that integrates an 8-bit CPU core, program memory (Flash), data memory (RAM), and a range of peripherals (timers, ADC, communication ports). Within the broader taxonomy it sits below 16-bit/32-bit MCUs and ARM Cortex-M parts, but remains attractive in cost-sensitive and pin-count-constrained designs. The S08 line is Freescale/NXP's HC08 successor, emphasizing a CISC instruction set, linear memory map, and ultra-low-power modes that compete head-to-head with Microchip PIC and Atmel AVR families.
Key features highlighted in the verified data include an 8 MHz internal bus interface, 32 KB of Flash program memory, 2 KB of RAM, an industrial temperature grade, gull-wing LQFP-44 surface-mount leads, and a tray packaging format. The part is qualified to industrial operating ranges and uses a 3.3 V (with 2.5 V core) supply arrangement typical of S08 devices.
Architecturally the MC9S08RG32CFGE integrates the S08 CISC core with an on-chip Flash controller, run-mode and wait-mode clocking, plus standard S08 peripherals such as timers, an ADC, and serial communication blocks. Compared with higher-end ColdFire or ARM parts it sacrifices raw performance for a smaller die, lower cost, and easier toolchain adoption via CodeWarrior and the newer Eclipse-based S08 IDE.
Typical applications include industrial control nodes, appliance control boards, low-end sensor hubs, consumer electronics sub-MCUs, and LED lighting controllers. The 32 KB Flash comfortably supports state machines, ModBus or CANopen slave stacks, and small UI loops. The 44-LQFP footprint gives enough I/O for keypad scanning, motor-driver PWM, and multiple serial channels.
When designing with this part, plan the Flash partitioning and vector remap early - the S08 has fixed interrupt vectors that occupy the top of the Flash. Leave a small bootloader area if you intend field updates, and budget stack/heap RAM against the 2 KB ceiling.
Alternatives de remplacement direct pour MC9S08RG32CFGE — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec MC9S08RG32CFGE (même facteur de forme et même empreinte) — différant par Mounting Type, ADC, Communication Interfaces, Core, Package.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
MC9S08RG32CFGER
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
MC9S08RG32CFGE
✅ Remplacement direct✓ En stock
$5.55 / unité
Voir la fiche technique →MC9S08AW32CFUE
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$7.18 / unité
Voir la fiche technique →STM8S207S6T3
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
STM8S207S6T3B
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MC9S08RG32CFGE Valeurs maximales et caractéristiques électriques
| Manufacturer | NXP Semiconductors (formerly Freescale) |
| Part Family | S08RG |
| CPU Core | HC08/S08 8-bit CISC |
| Program Memory (Flash) | 32 KB |
| RAM | 2 KB |
| Maximum Bus Frequency | 8 MHz |
| Operating Temperature Grade | Industrial |
| Boîtier | 44-LQFP (10 mm x 10 mm) |
| Type de montage | Surface Mount (gull-wing) |
| Package Code | LQFP |
| Package Shape | Square |
| Number of Terminals | 44 |
| Statut du cycle de vie | Obsolete / End of life (per cross-reference data) |
Configuration des broches de MC9S08RG32CFGE
| Broche 1 | [DATA_NEEDED: pin1] — Per datasheet, function not in web snippet |
| Broche 2 | [DATA_NEEDED: pin2] — Per datasheet |
| Broche 3 | [DATA_NEEDED: pin3] — Per datasheet |
| Broche 4 | [DATA_NEEDED: pin4] — Per datasheet |
| Broche 5 | [DATA_NEEDED: pin5] — Per datasheet |
| Broche 6 | [DATA_NEEDED: pin6] — Per datasheet |
| Broche 7 | [DATA_NEEDED: pin7] — Per datasheet |
| Broche 8 | [DATA_NEEDED: pin8] — Per datasheet |
| Broche 9 | [DATA_NEEDED: pin9] — Per datasheet |
| Broche 10 | [DATA_NEEDED: pin10] — Per datasheet |
| Broche 11 | [DATA_NEEDED: pin11] — Per datasheet |
| Broche 12 | [DATA_NEEDED: pin12] — Per datasheet |
| Broche 13 | [DATA_NEEDED: pin13] — Per datasheet |
| Broche 14 | [DATA_NEEDED: pin14] — Per datasheet |
| Broche 15 | [DATA_NEEDED: pin15] — Per datasheet |
| Broche 16 | [DATA_NEEDED: pin16] — Per datasheet |
| Broche 17 | [DATA_NEEDED: pin17] — Per datasheet |
| Broche 18 | [DATA_NEEDED: pin18] — Per datasheet |
| Broche 19 | [DATA_NEEDED: pin19] — Per datasheet |
| Broche 20 | [DATA_NEEDED: pin20] — Per datasheet |
| Broche 21 | [DATA_NEEDED: pin21] — Per datasheet |
| Broche 22 | [DATA_NEEDED: pin22] — Per datasheet |
| Broche 23 | [DATA_NEEDED: pin23] — Per datasheet |
| Broche 24 | [DATA_NEEDED: pin24] — Per datasheet |
| Broche 25 | [DATA_NEEDED: pin25] — Per datasheet |
| Broche 26 | [DATA_NEEDED: pin26] — Per datasheet |
| Broche 27 | [DATA_NEEDED: pin27] — Per datasheet |
| Broche 28 | [DATA_NEEDED: pin28] — Per datasheet |
| Broche 29 | [DATA_NEEDED: pin29] — Per datasheet |
| Broche 30 | [DATA_NEEDED: pin30] — Per datasheet |
| Broche 31 | [DATA_NEEDED: pin31] — Per datasheet |
| Broche 32 | [DATA_NEEDED: pin32] — Per datasheet |
| Broche 33 | [DATA_NEEDED: pin33] — Per datasheet |
| Broche 34 | [DATA_NEEDED: pin34] — Per datasheet |
| Broche 35 | [DATA_NEEDED: pin35] — Per datasheet |
| Broche 36 | [DATA_NEEDED: pin36] — Per datasheet |
| Broche 37 | [DATA_NEEDED: pin37] — Per datasheet |
| Broche 38 | [DATA_NEEDED: pin38] — Per datasheet |
| Broche 39 | [DATA_NEEDED: pin39] — Per datasheet |
| Broche 40 | [DATA_NEEDED: pin40] — Per datasheet |
| Broche 41 | [DATA_NEEDED: pin41] — Per datasheet |
| Broche 42 | [DATA_NEEDED: pin42] — Per datasheet |
| Broche 43 | [DATA_NEEDED: pin43] — Per datasheet |
| Broche 44 | [DATA_NEEDED: pin44] — Per datasheet |
Applications typiques
MC9S08RG32CFGE convient pour 6 applications: Industrial Control Nodes, Appliance Control Boards, Low-End Sensor Hubs, Consumer Electronics Sub-MCUs, LED Lighting Controllers, Automotive Body Electronics (AEC-Q100 Not Qualified).
Industrial Control Nodes
The MC9S08RG32CFGE's 32 KB Flash and 2 KB RAM comfortably host ModBus RTU slave or simple proprietary field-bus stacks for industrial sensor and actuator nodes. Its 44-LQFP footprint exposes enough I/O for digital input sampling, PWM-driven motor commands, and an RS-485 or RS-232 link. Industrial temperature grade plus the mature S08 CISC core make the part a long-life candidate for factory-floor PLCs and remote I/O.
Recommandé
Appliance Control Boards
White-goods designs (washing machines, dishwashers, microwave user interfaces) frequently pair an S08 MCU with a keypad matrix, a TRIAC or relay driver, and a 7-segment or LCD panel. The MC9S08RG32CFGE's 36+ GPIO lines handle keypad scanning, LED/relay drive, and a UART link to a Wi-Fi/BLE module without external I/O expanders. The 8 MHz core plus Freescale's low-power wait modes keep standby current acceptable for ENERGY STAR targets.
Recommandé
Low-End Sensor Hubs
When a sensor hub needs to aggregate analog channels and forward data over UART/SPI, the MC9S08RG32CFGE offers a cost-effective solution. Its 8-channel ADC (typical for the S08RG family) handles thermistor, photodiode, or 4-20 mA front-ends, while the S08 core runs calibration and average loops in firmware. Industrial grade plus industrial EMI tolerance suit factory or building-automation deployments.
Recommandé
Consumer Electronics Sub-MCUs
Designers use a low-cost 8-bit S08 as a 'housekeeping' MCU next to a higher-end application processor in toys, audio docks, and wearables. The MC9S08RG32CFGE handles battery charging, button debouncing, LED breathing effects, and power-key sequencing while the main CPU stays asleep. The LQFP-44 form factor drops easily onto a 2-layer consumer PCB and supports hand or reflow soldering.
Recommandé
LED Lighting Controllers
Commercial and architectural LED drivers need an MCU that can run DMX-512 or DALI receive logic, dim curves, and thermal foldback. The MC9S08RG32CFGE's 2 KB RAM and 8 MHz core suffice for a single DMX universe at 250 kbps with channel-by-channel PWM. The 44-LQFP package exposes timer/PWM channels needed for 4- to 8-channel high-current LED strings paired with external MOSFET drivers.
Recommandé
Automotive Body Electronics (AEC-Q100 Not Qualified)
Although the MC9S08RG32CFGE is rated for industrial (not automotive) temperature and is not AEC-Q100 qualified, designers have used S08RG parts in non-safety body modules like seat controllers, mirror adjusters, and HVAC panel interfaces. For new designs that require AEC-Q100, prefer the S08AC or S12Z families; the MC9S08RG32CFGE remains a viable cost-down option for non-safety nodes with appropriate derating.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour MC9S08RG32CFGE — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | MC9S08RG32CFGER | MC9S08AW32CFUE | STM8S207S6T3 | STM8S207S6T3B |
|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | STMicroelectronics | STMicroelectronics |
| Package | 44-LQFP (10x10) | 44-LQFP (10x10) - same | LQFP-64 (different pin count) | LQFP-44 - same | LQFP-44 - same |
| CPU Core | HC08/S08 8-bit CISC | HC08/S08 8-bit CISC | HC08/S08 8-bit CISC (AW family) | STM8 8-bit | STM8 8-bit |
| Program Memory (Flash) | 32 KB | 32 KB | 32 KB | 32 KB (similar class) | 32 KB (similar class) |
| Firmware Toolchain | CodeWarrior / S08 IDE | CodeWarrior / S08 IDE | CodeWarrior / S08 IDE | ST Visual Develop / cosmic | ST Visual Develop / cosmic |
Principaux différenciateurs
- Mature S08 CISC toolchain with BDM debug (vs STM8S207S6T3)
- Lower pin count fits cost-sensitive designs (vs MC9S08AW32CFUE)
- Two-KB RAM matches the S08RG target window (vs STM8S207S6T3)
Notes de conception
Because the MC9S08RG32CFGE is obsolete (last verified 2026-10-18), do NOT start a new design-in without securing last-time-buy quantity or pre-qualifying a drop-in alternative. Cross-brand equivalents (STM8S207S6T3) share the LQFP-44 footprint but require a complete firmware recompile because the STM8 core is not binary-compatible with S08.
S08 interrupt vectors live at the top of Flash. If you plan a bootloader for field updates, reserve the top vector block in the linker script (PR_LIN and PR_HIG) and remap vectors into a bootloader section, otherwise in-application programming will overwrite the reset vector.
Configure the S08RG in wait mode between sensor reads to keep average current below industrial-embedded targets. Estimated: running 8 MHz active ~5 mA, wait mode ~50 uA typical - verify exact numbers against the Freescale/NXP MC9S08RG32 datasheet power-consumption table before committing to battery-life calculations.
Place the LQFP-44 decoupling capacitor (0.1 uF ceramic) within 50 mil of each VDD/VSS pair, and add a bulk 10 uF tantalum near the regulator input. The BKGD pin must be accessible on the PCB for in-circuit debugging via P&E Micro or P&E MULTILINK.
Informations de conformité
Compliance values were not present in the supplied web snippets. RoHS/lead-free status should be verified against the official NXP/Freescale MC9S08RG32 datasheet before production use.
