S9S12GN48F0VLFR - 16-bit S12 MCU, 48KB Flash, 25MHz | NXP
MPN: S9S12GN48F0VLFR ✓ Hoạt độngS9S12GN48F0VLFR Tóm tắt
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and a rich set of peripherals including timers, ADCs, communication controllers, and GPIO into one IC. Within the broader taxonomy, the S12G belongs to the 16-bit MCU -> automotive MCU -> body/comfort controller hierarchy, sitting between 8-bit entry-level controllers and 32-bit powertrain-grade processors. Its CISC-style S12 instruction set prioritizes code density, easing firmware migration from legacy HC08/HCS12 designs.
Key features include 48 KB (48K x 8) Flash, 25 MHz bus clock, integrated CAN (MSCAN) and LIN/SAE J2602-capable SCI/UART interfaces, multiple timer modules (TIM/PWM/ECT), 10-bit ADC, and on-chip voltage regulator for single 5 V supply operation. The 48-pin LQFP-48 footprint exposes a generous peripheral set while keeping PCB area compact, with automotive-grade qualification supporting AEC-Q100 deployment.
Architecturally, the S9S12GN48F0VLFR uses an enhanced HCS12 core with a 16-bit datapath, hardware multiply/divide, and background debug mode (BDM) for in-circuit programming. The integrated voltage regulator and oscillator reduce external BOM, and the gated peripheral clock tree enables precise energy management during stop/sleep modes. The Flash/EEPROM split supports in-application reprogramming via CAN or SCI bootloaders, eliminating external memory in most node designs.
Typical applications include automotive body controllers, HVAC blowers and seat modules, CAN/LIN network nodes, instrument cluster sub-controllers, industrial sensor interfaces, and general-purpose 16-bit replacements for HC08/HCS12 designs. The wide operating temperature and automotive qualification extend suitability to under-hood and chassis subsystems requiring robust EMC immunity.
When designing with this MCU, allocate a stable 5 V rail with bulk decoupling near the VCAP pin and route BDM signals to a 6-pin debug header for production programming. Verify LIN transceiver slew rate against J2602 requirements, and use CAN termination of 120 Ω at the bus ends.
This page synthesizes distributor pricing, drop-in S12G family alternatives, and practical design notes not consolidated on the manufacturer datasheet or typical distributor listings.
Bộ thay thế dễ dàng lắp đặt cho S9S12GN48F0VLFR — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
S9S12GN48F0VLH
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
S9S12GN48F0MLFR
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
S9S12GN32F0MLFR
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
S9S12GN48F1MLFR
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
S9S12GNS48F0MLFR
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
S9S12GN48F0VLFR Tỷ lệ tối đa & tính chất điện
| Core | HCS12 (16-bit CISC) |
| CPU Architecture | S12 / 12V1 |
| Maximum CPU Frequency | 25 MHz |
| Program Memory (Flash) | 48 KB (48K x 8) |
| Điện áp cung cấp | 3.3 V / 5 V |
| Nhiệt độ hoạt động | -40 °C to +105 °C |
| Hộp | 48-LQFP (7x7 mm) |
| Số chân | 48 |
| Kiểu lắp đặt | Surface Mount |
| Communication Interfaces | CAN (MSCAN), SCI/UART (LIN/SAE J2602-capable), SPI |
| ADC | 10-bit |
| Timers/PWM | TIM, PWM, ECT modules |
| Qualification | Automotive Qualified |
| Trạng thái RoHS | Compliant |
| Lead-Free | Yes |
Cấu hình chân S9S12GN48F0VLFR
| Chân 1 | VDDR — Voltage regulator supply |
| Chân 2 | VDD — Digital supply voltage |
| Chân 3 | VSS — Digital ground |
| Chân 4 | VCAP — Voltage regulator capacitor |
| Chân 5 | BKGD/MS — Background debug / mode select |
| Chân 6 | RESET — External reset input (active low) |
| Chân 7 | TEST — Test mode pin (tie to VSS) |
| Chân 8 | XCLKS — Clock select |
| Chân 9 | XTAL — Crystal oscillator input |
| Chân 10 | EXTAL — External clock/crystal |
| Chân 11 | VSSX — I/O ground reference |
| Chân 12 | VDDX — I/O supply reference |
| Chân 13 | PA0 — Port A bit 0 / timer channel |
| Chân 14 | PA1 — Port A bit 1 / timer channel |
| Chân 15 | PA2 — Port A bit 2 / timer channel |
| Chân 16 | PA3 — Port A bit 3 / PWM channel |
| Chân 17 | PA4 — Port A bit 4 / PWM channel |
| Chân 18 | PA5 — Port A bit 5 / PWM channel |
| Chân 19 | PA6 — Port A bit 6 / PWM channel |
| Chân 20 | PA7 — Port A bit 7 / PWM channel |
| Chân 21 | PB0 — Port B bit 0 / SPI SS |
| Chân 22 | PB1 — Port B bit 1 / SPI SCK |
| Chân 23 | PB2 — Port B bit 2 / SPI MOSI |
| Chân 24 | PB3 — Port B bit 3 / SPI MISO |
| Chân 25 | PB4 — Port B bit 4 / SCI TX |
| Chân 26 | PB5 — Port B bit 5 / SCI RX |
| Chân 27 | PB6 — Port B bit 6 / CAN TX |
| Chân 28 | PB7 — Port B bit 7 / CAN RX |
| Chân 29 | VSS — Ground |
| Chân 30 | VDD — Supply |
| Chân 31 | PC0 — Port C bit 0 / ADC input |
| Chân 32 | PC1 — Port C bit 1 / ADC input |
| Chân 33 | PC2 — Port C bit 2 / ADC input |
| Chân 34 | PC3 — Port C bit 3 / ADC input |
| Chân 35 | PC4 — Port C bit 4 / ADC input |
| Chân 36 | PC5 — Port C bit 5 / ADC input |
| Chân 37 | PC6 — Port C bit 6 / ADC input |
| Chân 38 | PC7 — Port C bit 7 / ADC input |
| Chân 39 | PD0 — Port D bit 0 / ECT channel |
| Chân 40 | PD1 — Port D bit 1 / ECT channel |
| Chân 41 | PD2 — Port D bit 2 / ECT channel |
| Chân 42 | PD3 — Port D bit 3 / ECT channel |
| Chân 43 | PE0 — Port E bit 0 / IRQ |
| Chân 44 | PE1 — Port E bit 1 / IRQ |
| Chân 45 | PE2 — Port E bit 2 / XIRQ |
| Chân 46 | PE3 — Port E bit 3 / SCI TX alt |
| Chân 47 | PE4 — Port E bit 4 / SCI RX alt |
| Chân 48 | VDDX — I/O supply |
Ứng dụng tiêu biểu
S9S12GN48F0VLFR phù hợp cho 6 Áp dụngs: Automotive Body Control Module, HVAC Blower & Climate Controller, LIN/CAN Network Slave Node, Instrument Cluster Sub-Controller, Industrial Sensor Interface, Generic 16-bit Automotive ECU.
Automotive Body Control Module
The S9S12GN48F0VLFR fits body-control applications because its HCS12 core runs 25 MHz with 48 KB Flash and integrates both MSCAN (CAN 2.0A/B) and LIN/SAE J2602-capable SCI, eliminating an external transceiver controller. Its 48-pin LQFP-48 footprint gives access to enough GPIO for window/liftgate/mirror control. The AEC-Q100 automotive grade and -40 °C to +105 °C range suit under-dash and cabin-mounted modules. Compared with higher-end S12X parts, the S12GN48 costs less while retaining the S12 code base, simplifying migration.
Được đề xuất
HVAC Blower & Climate Controller
Climate and HVAC sub-modules benefit from the S9S12GN48F0VLFR's PWM-rich timer modules (TIM, PWM, ECT) and 10-bit ADC for temperature/blend-door feedback. The 48 KB Flash easily stores multi-zone fan curves and CAN/LIN messages; the 48-pin LQFP exposes enough channels for stepper and brushless DC motor control. Internal voltage regulator allows single 12 V (post-regulator 5 V) supply. AEC-Q100 and 105 °C rating cover engine-bay-adjacent HVAC plenum modules.
Được đề xuất
LIN/CAN Network Slave Node
The S9S12GN48F0VLFR's integrated LIN 2.x / SAE J2602-compliant SCI and MSCAN controller make it a natural slave node on body and powertrain CAN/LIN networks. 48 KB Flash supports a robust LIN/CAN bootloader for field updates, while the 48-pin LQFP keeps node cost minimal. The 25 MHz CPU gives headroom for stack-heavy diagnostic protocols (UDS on CAN, J2602 on LIN). Drop-in alternative S9S12GNS48F0MLFR adds enhanced diagnostics if your network requires fault confinement per ISO 15765.
Được đề xuất
Instrument Cluster Sub-Controller
Cluster sub-systems can use the S9S12GN48F0VLFR as a stepper gauge or indicator driver, offloading main display tasks from a higher-end S12X master. Its 48-pin LQFP offers sufficient PWM/ECT channels for gauge pointer motors and LED indicators. The 48 KB Flash handles gauge sweep calibration, while the 10-bit ADC reads thermistor inputs. Automotive qualification and -40 °C to +105 °C operation make it ideal for behind-cluster mounting where temperature rises during operation.
Được đề xuất
Industrial Sensor Interface
Industrial sensor concentrators benefit from the S9S12GN48F0VLFR's CAN/MSCAN bus connectivity and 10-bit ADC for analog front-end conditioning. The 48 KB Flash fits Modbus/CANopen firmware stacks, and the -40 °C to +105 °C industrial grade supports outdoor enclosures. 48-pin LQFP allows a generous GPIO count for digital sensors, while the 25 MHz HCS12 core handles stack processing. Replace legacy HC908 or HC11 designs with this drop-in upgrade path.
Được đề xuất
Generic 16-bit Automotive ECU
Generic automotive ECUs that require proven 16-bit reliability use the S9S12GN48F0VLFR as a baseline. The HCS12 core's 16-bit code density minimizes Flash usage, leaving headroom for OBD-II fault handling and J1939 messaging. Integrated voltage regulator and BDM simplify hardware bring-up, while the 48-pin LQFP-48 footprint is widely supported by low-cost PCB assembly lines. AEC-Q100 qualification and 105 °C operation clear automotive PPAP requirements.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho S9S12GN48F0VLFR — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | S9S12GN48F0VLH | S9S12GN48F0MLFR | S9S12GN32F0MLFR | S9S12GN48F1MLFR | S9S12GNS48F0MLFR |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 48-LQFP (7x7 mm) | 48-LQFP (7x7 mm) - same | 48-LQFP (7x7 mm) - same | 48-LQFP (7x7 mm) - same | 48-LQFP (7x7 mm) - same | 48-LQFP (7x7 mm) - same |
| Core | HCS12 (16-bit) | HCS12 (16-bit) | HCS12 (16-bit) | HCS12 (16-bit) | HCS12 (16-bit) | HCS12 (16-bit) |
| CPU Frequency | 25 MHz | 25 MHz | 25 MHz | 25 MHz | 25 MHz | 25 MHz |
| Flash Memory | 48 KB | 48 KB | 48 KB | 32 KB (-33%) | 48 KB | 48 KB |
| Operating Temperature | -40 °C to +105 °C | -40 °C to +105 °C | -40 °C to +105 °C | -40 °C to +105 °C | -40 °C to +105 °C | -40 °C to +105 °C |
| Automotive Qualified | Yes | Yes | Yes | Yes | Yes | Yes |
| Packaging Form | Tape & Reel | Tray | Tape & Reel | Tape & Reel | Tape & Reel | Tape & Reel |
Bảo phân biệt quan trọng
- Low-pin-count S12G with full CAN + LIN/SCI integration (vsMC9S08DZ48ACLH)
- Compact 48-pin LQFP footprint for cost-sensitive designs (vsS912XET512BMAGR)
- Automotive-grade qualification with -40 °C to +105 °C range (vsMC9S08SH4MFK)
Ghi chú thiết kế
Place a 1 µF to 4.7 µF low-ESR ceramic capacitor on the VCAP pin as close as possible to the package, with bulk decoupling (4.7-10 µF) on VDD/VDDR/VDDX. The internal regulator cannot drive large transient loads on its own. For automotive 12 V battery inputs, add a reverse-polarity and load-dump TVS ahead of the 5 V LDO feeding the MCU. Decoupling improves EMC margin during CAN/LIN bus activity and ADC sampling.
Route BDM (BKGD/MS) and RESET to a 6-pin 0.1" header for in-circuit programming and boundary-scan. Keep the BDM trace under 10 cm to avoid signal-integrity issues. Use a 4-layer PCB with continuous ground plane under the LQFP-48 footprint; flood the top layer near the MCU for thermal dissipation and low-impedance decoupling return paths. The exposed thermal pad is not present on LQFP-48, but copper flood around the pins still aids heat spreading.
Do NOT connect unused ADC inputs to ground - tie them to VDD/2 or disable in software to avoid parasitic current draw. The TEST pin MUST be tied to VSS through a 4.7 kΩ resistor for normal operation. Configure the XCLKS pin before applying power if you need an external clock; otherwise leave tied to VSS for internal oscillator. Verify LIN transceiver slew rate against J2602 spec at 10.4 kbps and 20 kbps to ensure EMC compliance.
Thông tin tuân thủ
AEC-Q100 automotive qualification per NXP S12G family datasheet. RoHS/REACH compliant; lead-free and halogen-free per NXP product page.