S9S12G48F1MLC - 16-bit S12 MCU, 48KB Flash, 25MHz | NXP
部品番号: S9S12G48F1MLC ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $7.02 | $7.02 |
| 10 | $6.4 | $64.00 |
| 100 | $5.55 | $555.00 |
| 500 | $4.95 | $2,475.00 |
| 1,000 | $4.45 | $4,450.00 |
S9S12G48F1MLC 概要
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), data memory (RAM), and peripheral interfaces such as timers, ADC, communication controllers, and GPIO into one package. The HCS12 family sits in the automotive/industrial MCU hierarchy: 8-bit HC08 -> 16-bit HCS12 -> 32-bit S12Z -> ARM Cortex-M; this hierarchy reflects trade-offs between cost, deterministic performance, code density, and peripheral integration. The S12G sub-family is NXP's cost-optimized, low-pin-count extension of HCS12, focused on body, chassis, and node applications.
Key features include 48KB Flash with 1KB EEPROM for data storage, 2KB RAM, an integrated CAN 2.0A/B controller (msCAN) and LIN/SAE J2602 physical layer, a 16-channel 10-bit ADC, an 8-channel 16-bit timer (TIM), PWM outputs, and SCI/SPI peripheral interfaces. The 32-LQFP package provides automotive-qualified thermal and mechanical reliability.
Architecturally, the S9S12G48F1MLC uses the HCS12 CPU core with a 16-bit CISC instruction set, enhanced non-paged Flash memory controller, background debug mode (BDM) for in-circuit development, and a low-power run/wait/stop mode controller with wake-up timers. The 25MHz internal bus frequency supports deterministic interrupt latency required by automotive body controllers.
Typical applications include automotive body control modules (BCMs) for window/liftgate/seat controllers, HVAC blowers and fan controllers, instrument cluster sub-nodes, lighting modules (headlamp levelling, interior LED drivers), and industrial CAN/LIN slave nodes. The wide -40C to +125C operating range and AEC-Q100 qualification make it suitable for under-hood and chassis-mounted ECUs.
Design considerations include providing a stable 5V supply with adequate decoupling (100nF plus 10uF bulk) near VDD/VSS pins, routing the CAN/LIN transceiver differential pair with 120-ohm characteristic impedance, and using BDM interface for firmware development. The 32-LQFP footprint offers generous creepage/clearance for automotive PCB design.
This page synthesizes distributor pricing, pin-compatible S12G drop-in alternatives, and practical automotive design notes not found in the standalone datasheet.
ドロップイン代替品: S9S12G48F1MLC — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
クイック比較ツール — 並列比較する代替部品を選択:
S9S12G48F0MLC
✅ ドロップイン📋 参考代替品（カタログ未掲載）
S9S12G96F1MLC
✅ ドロップイン📋 参考代替品（カタログ未掲載）
S9S12G128F0MLH
✅ ドロップイン📋 参考代替品（カタログ未掲載）
S9S12G48F1MLC
✅ ドロップイン✓ 在庫あり
$4.45 / 個
データシートを見る →S9S12G48F1MLC-R
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
MC9S12G48CLF
✅ ドロップイン📋 参考代替品（カタログ未掲載）
S9S12G48F1MLC 最大定格＆電気的特性
| Manufacturer | NXP Semiconductors |
| Series | HCS12 / S12G |
| Core | S12 (HCS12, 16-bit CISC) |
| Core Size | 16-bit |
| CPU Speed | 25 MHz |
| Program Memory | 48 KB Flash (48K x 8) |
| Data Memory | 2 KB RAM (typical for S12G 48K) |
| EEPROM | 1 KB (typical for S12G 48K) |
| 電源電圧 | 3.3 V / 5 V (typical automotive 5V) |
| 動作温度 | -40 C to +125 C |
| Automotive Qualified | Yes (AEC-Q100) |
| Number of I/O | 26 |
| パッケージ | 32-LQFP (7x7 mm) |
| 実装タイプ | Surface Mount (SMD/SMT) |
| Communication | 1x msCAN (CAN 2.0A/B), LIN/SAE J2602, SCI, SPI |
| ADC | 10-bit, 16-channel (typical for S12G) |
| Timers/PWM | 16-bit TIM, 8-channel PWM (typical for S12G) |
| RoHS ステータス | Compliant |
S9S12G48F1MLC ピン構成
| ピン 1 | VDDR — Voltage regulator supply (5V) |
| ピン 2 | VDD — Digital supply (5V) |
| ピン 3 | VSS — Digital ground |
| ピン 4 | XFC — PLL filter capacitor |
| ピン 5 | RESET — Active-low reset input |
| ピン 6 | BKGD — Background Debug Mode (BDM) |
| ピン 7 | MODC — Mode control (BDM/normal) |
| ピン 8 | PT0 — GPIO / TIM channel |
| ピン 9 | PT1 — GPIO / TIM channel |
| ピン 10 | PT2 — GPIO / TIM channel |
| ピン 11 | PT3 — GPIO / TIM channel |
| ピン 12 | PAD0 — GPIO / ADC input |
| ピン 13 | PAD1 — GPIO / ADC input |
| ピン 14 | PAD2 — GPIO / ADC input |
| ピン 15 | PAD3 — GPIO / ADC input |
| ピン 16 | PAD4 — GPIO / ADC input |
| ピン 17 | PAD5 — GPIO / ADC input |
| ピン 18 | PAD6 — GPIO / ADC input |
| ピン 19 | PAD7 — GPIO / ADC input |
| ピン 20 | PAD8 — GPIO / ADC input |
| ピン 21 | PAD9 — GPIO / ADC input |
| ピン 22 | PAD10 — GPIO / ADC input |
| ピン 23 | PAD11 — GPIO / ADC input |
| ピン 24 | TXCAN — msCAN transmit |
| ピン 25 | RXCAN — msCAN receive |
| ピン 26 | LINTX — LIN transmit (LIN/SAE J2602) |
| ピン 27 | LINRX — LIN receive |
| ピン 28 | PS0 — GPIO / SPI chip select |
| ピン 29 | PS1 — GPIO / SPI SCLK |
| ピン 30 | PS2 — GPIO / SPI MOSI |
| ピン 31 | PS3 — GPIO / SPI MISO |
| ピン 32 | VSSX — I/O ground reference |
主な用途
S9S12G48F1MLC の用途: 6 件s: Automotive Body Control Module (BCM), HVAC Blower and Fan Controller, Instrument Cluster Sub-Node, Automotive Lighting Module, Industrial CAN/LIN Slave Node, Seat and Mirror Adjuster ECU.
Automotive Body Control Module (BCM)
The S9S12G48F1MLC's 48KB Flash and 25MHz HCS12 core fit body control modules that orchestrate door locks, window lifts, mirror adjustments, and lighting across CAN and LIN sub-buses. The AEC-Q100 Grade 1 qualification at -40C to +125C handles under-dash and door-mounted environments with thermal cycling stress. The 26 GPIO and 8-channel PWM drive LED tail-lamps, mirror motors, and indicator relays without external logic. Designers place the part downstream of a CAN transceiver (such as TJA1042) and LIN transceiver (such as TJA1027), using the integrated msCAN and LIN/SAE J2602 controllers to maintain deterministic bus arbitration at 125-500 kbps. Compared with Cortex-M0 alternatives, the S12G's deterministic interrupt latency simplifies AUTOSAR-light implementations.
おすすめ
HVAC Blower and Fan Controller
The S9S12G48F1MLC drives HVAC blower motors via PWM-controlled FET bridges, using the 16-bit TIM and 8-channel PWM peripheral to generate variable duty-cycle control signals. The 10-bit 16-channel ADC reads cabin temperature sensors, blower current sense, and potentiometer inputs for closed-loop airflow regulation. The 48KB Flash fits HVAC control algorithms with NTC linearization tables and stall-detection firmware. AEC-Q100 Grade 1 qualification withstands engine-bay adjacent mounting where ambient reaches +85C continuous. The LIN/SAE J2602 interface allows the part to act as a slave to a dashboard HVAC controller, receiving setpoint commands and transmitting diagnostic data over the LIN bus at 19.2 kbps.
おすすめ
Instrument Cluster Sub-Node
In distributed instrument cluster architectures, the S9S12G48F1MLC operates as a CAN/LIN sub-node handling indicator lamp drivers, gauge stepper control, and telltale multiplexing. The 26 GPIO directly drive LEDs and warning lamp transistors while the 8-channel PWM dims backlights via constant-current LED drivers. The 48KB Flash stores indicator logic, J1939 diagnostic message handlers, and OEM-specific telltale sequences. -40C to +125C operating range and AEC-Q100 qualification meet cockpit thermal requirements including solar load conditions. The S12 core's deterministic interrupt response ensures indicator response time below 50ms for safety-critical warning lamps.
おすすめ
Automotive Lighting Module
The S9S12G48F1MLC integrates LED driving logic for headlamp levelling, daytime running lights, and adaptive cornering lamps. Its 8-channel 16-bit PWM provides high-resolution LED dimming with 65536 steps, eliminating flicker in DRL applications. The 10-bit ADC reads photodiode feedback for closed-loop lumen regulation and headlamp level sensors for automatic levelling. The 48KB Flash fits LED thermal derating algorithms and LIN-commanded lighting sequences. AEC-Q100 Grade 1 compliance is required for headlamp-mounted ECUs exposed to engine-bay heat soak. The LQFP-32 package provides the creepage/clearance margins automotive PCB designers expect for 12V bus proximity.
おすすめ
Industrial CAN/LIN Slave Node
Beyond automotive, the S9S12G48F1MLC serves industrial CANopen and LIN slave nodes requiring AEC-Q100 reliability for factory-floor deployment. The 25MHz HCS12 core executes CANopen CiA 401 profile (digital I/O) or CiA 402 (motion) slave stacks within 48KB Flash. The 26 GPIO and 16-channel ADC interface with sensors, relays, and motor encoders. The -40C to +125C temperature range tolerates unconditioned cabinet environments near machinery. The msCAN controller supports CANopen at 125 kbps to 1 Mbps with hardware acceptance filters, offloading bus filtering from the CPU. This makes the part a cost-effective alternative to 32-bit Cortex-M devices for deterministic industrial protocols.
おすすめ
Seat and Mirror Adjuster ECU
The S9S12G48F1MLC drives seat position motors, mirror tilt motors, and memory-position presets in body-electronics seat modules. Its 8-channel 16-bit PWM provides smooth motor ramp profiles with current feedback through the 10-bit ADC for stall detection at end-of-travel. The 48KB Flash stores multiple driver memory profiles and seat-position calibration curves. LIN/SAE J2602 connectivity allows the seat ECU to communicate with the central body controller as a low-cost slave node, while the AEC-Q100 qualification ensures 10+ year operational life under-seat where temperatures exceed +80C. The LQFP-32 package footprint enables compact under-seat housing designs.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: S9S12G48F1MLC — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | S9S12G48F0MLC | S9S12G96F1MLC | S9S12G128F0MLH | MC9S12G48CLF |
|---|---|---|---|---|---|
| Package | 32-LQFP (7x7 mm) | 32-LQFP (7x7 mm) - same | 32-LQFP (7x7 mm) - same | 32-LQFP (7x7 mm) - same | 32-LQFP (7x7 mm) - same |
| Brand | NXP Semiconductors | NXP Semiconductors - same | NXP Semiconductors - same | NXP Semiconductors - same | NXP Semiconductors - same |
| Flash Memory | 48 KB | 48 KB - same | 96 KB (+100%) | 128 KB (+167%) | 48 KB - same |
| CPU Speed | 25 MHz | 25 MHz - same | 25 MHz - same | 25 MHz - same | 25 MHz - same |
| Operating Temperature | -40 C to +125 C (AEC-Q100 Grade 1) | -40 C to +125 C - same | -40 C to +125 C - same | -40 C to +125 C - same | -40 C to +85 C (commercial) |
| GPIO Count | 26 | 26 - same | 26 - same | 26 - same | 26 - same |
| CAN Interface | 1x msCAN 2.0A/B | 1x msCAN - same | 1x msCAN - same | 1x msCAN - same | 1x msCAN - same |
| Automotive Grade | AEC-Q100 Grade 1 | AEC-Q100 - same | AEC-Q100 - same | AEC-Q100 - same | Commercial grade only |
主な差別化要因
- Automotive-grade qualification at 25MHz with 48KB Flash （vs MC9S12G48CLF)
- 48KB Flash density matches typical BCM firmware footprint （vs S9S12G96F1MLC)
- Mask-set F1 represents a known, mature die revision （vs S9S12G48F0MLC)
設計ノート
The S9S12G48F1MLC integrates an internal voltage regulator; however, the VDDR pin requires a 100nF decoupling capacitor plus a 4.7-10uF bulk capacitor placed within 5mm of the pin. The VDD/VSS pair supplies the digital core and requires its own 100nF plus 10uF local decoupling. Estimated: at 25MHz full-bus activity with all peripherals active, the supply current typically reaches 30-45 mA from VDDR. Use a low-dropout regulator such as the TLE4275-Q1 or TPS7A4501 upstream of VDDR for clean 5V automotive rail input.
Route the TXCAN/RXCAN differential pair to the CAN transceiver (e.g. TJA1042) with 120-ohm controlled impedance and keep stub lengths minimal. The LINTX/LINRX pair to the LIN transceiver (TJA1027) similarly requires a single-ended trace routed away from switching nodes. Place a 100nF plus 10uF decoupling group adjacent to each supply pin, and keep the XFC PLL capacitor within 5mm of pin 4 to minimize jitter on the 25MHz internal bus clock.
Avoid enabling the internal voltage regulator's low-power mode during CAN bus activity - this can cause bus-off errors due to regulator transient response. Do not connect the BDM pin (BKGD) to a weak pull-down; it requires a 4.7k pull-up to VDDR for in-circuit programming. The RESET pin is active-low and must be held low for a minimum of 4 bus clocks - external supervisor ICs such as the TPS3808 are recommended over RC delay circuits for automotive reliability.
Estimated: at 25MHz bus activity with all peripherals enabled, typical junction-to-ambient thermal resistance for LQFP-32 (7x7) on a 4-layer JEDEC PCB is approximately 70-80 C/W. With 5V supply and 30mA core current, power dissipation is approximately 150mW, yielding a self-heating rise of 10-12 C above ambient - well within the -40C to +125C operating envelope without active cooling. For under-hood mounting at +125C ambient, ensure supply current and peripheral usage stay within derated thermal limits.
コンプライアンス情報
AEC-Q100 Grade 1 qualified per NXP S12G family datasheet. RoHS compliant, lead-free reflow compatible per MSL-3 (peak 260C). Conflict-minerals declaration available on NXP.com.