S9S12XS64J1MAL - HCS12X 16-bit MCU, 64KB Flash | NXP
MPN: S9S12XS64J1MAL ✓ Hoạt độngS9S12XS64J1MAL Tóm tắt
An MCU (microcontroller unit) is a single-chip computer that integrates a CPU core, memory (Flash/ROM, RAM, sometimes EEPROM), and peripherals (timers, ADC, communication blocks like CAN/SPI/UART). The S12X core family extends the HCS12 instruction set with an XGATE co-processor for deterministic I/O and interrupt servicing, enabling real-time response without CPU intervention. Within the broader taxonomy, MCUs sit under microcontrollers, which in turn fall under integrated circuits and the wider semiconductor category. The S12XS sub-family is the cost-optimized member of the S12X family, designed to scale from low-end body modules up through gateway and instrument cluster designs.
Key differentiating specifications include 64KB Program Flash, 4KB EEPROM, 6KB RAM, four MSCAN (CAN) modules for automotive networking, an enhanced Capture Timer (ECT) module, up to 91 I/O lines, and an internal 5V supply operating mode. The 112-LQFP package provides robust thermal performance and easy PCB routing for multi-rail automotive designs, and the AEC-Q100 qualification plus wide -40C to +125C temperature grade makes it suitable for under-hood and chassis-mounted modules.
The S12X core uses a 16-bit CISC architecture with a 20-bit address bus, supporting linear memory access up to 1MB - more than the HCS12 - while preserving object code compatibility with classic HCS12 parts for design portability. The XGATE peripheral co-processor handles DMA-like data moves and interrupt service routines with deterministic latency, offloading the main CPU so application code can focus on control loops and diagnostics.
Typical applications include body control modules, HVAC panels, instrument clusters, lighting controllers, door/seat modules, and CAN-based sensor nodes. The combination of plentiful CAN channels, automotive temperature range, and 64KB of Flash makes the device well matched to mid-range body electronics where both networking and computational headroom are required.
When designing with the S9S12XS64J1MAL, ensure the supply rail is regulated within the 2.97V to 5.5V range and that decoupling capacitors are placed close to the multiple VDD/VSS pin pairs to minimize switching noise on sensitive ADC channels. Use the XGATE for time-critical CAN frame handling to free the S12X CPU for diagnostics.
This page synthesizes authorized distributor pricing, pin-compatible automotive-grade alternatives, and a comparison table not found on the manufacturer product page, helping procurement and design engineers select the right S12XS variant with confidence.
Bộ thay thế dễ dàng lắp đặt cho S9S12XS64J1MAL — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với S9S12XS64J1MAL (cùng hình factor và footprint) — khác nhau ở Operating Temperature, Package, Supply Voltage, Timers, ADC.
S9S12XS128J1MAL
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
S9S12XS256J1MAL
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MC9S12XS128MAE
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →S9S12XF384J2MLMR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →S912XET512BMAGR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →S9S12XS64J1MAL Tỷ lệ tối đa & tính chất điện
| Core Architecture | HCS12X (16-bit CISC S12X CPU) |
| CPU Clock Speed | 40 MHz max |
| Program Flash Memory | 64 KB |
| EEPROM | 4 KB |
| RAM | 6 KB |
| Hộp | 112-LQFP (20x20 mm) |
| Operating Voltage | 2.97 V to 5.5 V (5 V typical) |
| Nhiệt độ hoạt động | -40 C to +125 C (automotive) |
| AEC-Q100 Grade | Qualified |
| I/O Pins | Up to 91 |
| CAN Modules | 4x MSCAN |
| Timers | ECT (16-bit, 8-channel) + 4x 8-bit PWM |
| ADC | 10/8-bit ATD module |
| Communication Interfaces | 4x MSCAN, SCI, SPI, I2C |
| Kiểu lắp đặt | Surface Mount (LQFP, gull-wing) |
| Cấp MSL | 3 (per JEDEC J-STD-020) |
| Trạng thái RoHS | Compliant |
Cấu hình chân S9S12XS64J1MAL
| Chân 1 | VDD1 — Core supply voltage 2.97V-5.5V |
| Chân 2 | VDDR — I/O supply for regulated outputs |
| Chân 3 | VSS — Ground |
| Chân 4 | BKGD — Background debug mode pin |
| Chân 5 | RESET — Active-low reset input |
| Chân 6 | XTAL — Crystal oscillator input |
| Chân 7 | EXTAL — Crystal oscillator input |
| Chân 8 | TEST — Test mode pin (leave open or GND) |
| Chân 9 | PAD0 — I/O - PAD timer channel 0 |
| Chân 10 | PAD1 — I/O - PAD timer channel 1 |
| Chân 11 | PAD2 — I/O - PAD timer channel 2 |
| Chân 12 | PAD3 — I/O - PAD timer channel 3 |
| Chân 13 | PAD4 — I/O - PAD timer channel 4 |
| Chân 14 | PAD5 — I/O - PAD timer channel 5 |
| Chân 15 | PAD6 — I/O - PAD timer channel 6 |
| Chân 16 | PAD7 — I/O - PAD timer channel 7 |
| Chân 17 | PWR — Power driver output [DATA_NEEDED] |
| Chân 18 | VSS — Ground |
| Chân 19 | VDD1 — Core supply |
| Chân 20 | PAn — Port A I/O bit [DATA_NEEDED] |
| Chân 21 | PAn — Port A I/O bit [DATA_NEEDED] |
| Chân 22 | PAn — Port A I/O bit [DATA_NEEDED] |
| Chân 23 | PAn — Port A I/O bit [DATA_NEEDED] |
| Chân 24 | PAn — Port A I/O bit [DATA_NEEDED] |
| Chân 25 | PAn — Port A I/O bit [DATA_NEEDED] |
| Chân 26 | PAn — Port A I/O bit [DATA_NEEDED] |
| Chân 27 | PAn — Port A I/O bit [DATA_NEEDED] |
| Chân 28 | PBn — Port B I/O bit [DATA_NEEDED] |
| Chân 29 | PBn — Port B I/O bit [DATA_NEEDED] |
| Chân 30 | PBn — Port B I/O bit [DATA_NEEDED] |
| Chân 31 | PBn — Port B I/O bit [DATA_NEEDED] |
| Chân 32 | PBn — Port B I/O bit [DATA_NEEDED] |
| Chân 33 | PBn — Port B I/O bit [DATA_NEEDED] |
| Chân 34 | PBn — Port B I/O bit [DATA_NEEDED] |
| Chân 35 | PBn — Port B I/O bit [DATA_NEEDED] |
| Chân 36 | VSS — Ground |
| Chân 37 | VDD2 — I/O supply |
| Chân 38 | PCn — Port C I/O bit [DATA_NEEDED] |
| Chân 39 | PCn — Port C I/O bit [DATA_NEEDED] |
| Chân 40 | PCn — Port C I/O bit [DATA_NEEDED] |
| Chân 41 | PCn — Port C I/O bit [DATA_NEEDED] |
| Chân 42 | PCn — Port C I/O bit [DATA_NEEDED] |
| Chân 43 | PCn — Port C I/O bit [DATA_NEEDED] |
| Chân 44 | PCn — Port C I/O bit [DATA_NEEDED] |
| Chân 45 | PCn — Port C I/O bit [DATA_NEEDED] |
| Chân 46 | VSS — Ground |
| Chân 47 | VDDA — Analog supply |
| Chân 48 | VSSA — Analog ground |
| Chân 49 | PDn — Port D I/O bit [DATA_NEEDED] |
| Chân 50 | PDn — Port D I/O bit [DATA_NEEDED] |
| Chân 51 | PDn — Port D I/O bit [DATA_NEEDED] |
| Chân 52 | PDn — Port D I/O bit [DATA_NEEDED] |
| Chân 53 | PDn — Port D I/O bit [DATA_NEEDED] |
| Chân 54 | PDn — Port D I/O bit [DATA_NEEDED] |
| Chân 55 | PDn — Port D I/O bit [DATA_NEEDED] |
| Chân 56 | PDn — Port D I/O bit [DATA_NEEDED] |
| Chân 57 | PEn — Port E I/O bit [DATA_NEEDED] |
| Chân 58 | PEn — Port E I/O bit [DATA_NEEDED] |
| Chân 59 | PEn — Port E I/O bit [DATA_NEEDED] |
| Chân 60 | PEn — Port E I/O bit [DATA_NEEDED] |
| Chân 61 | PEn — Port E I/O bit [DATA_NEEDED] |
| Chân 62 | PEn — Port E I/O bit [DATA_NEEDED] |
| Chân 63 | PEn — Port E I/O bit [DATA_NEEDED] |
| Chân 64 | PEn — Port E I/O bit [DATA_NEEDED] |
| Chân 65 | PFn — Port F I/O bit [DATA_NEEDED] |
| Chân 66 | PFn — Port F I/O bit [DATA_NEEDED] |
| Chân 67 | PFn — Port F I/O bit [DATA_NEEDED] |
| Chân 68 | PFn — Port F I/O bit [DATA_NEEDED] |
| Chân 69 | PFn — Port F I/O bit [DATA_NEEDED] |
| Chân 70 | PFn — Port F I/O bit [DATA_NEEDED] |
| Chân 71 | PFn — Port F I/O bit [DATA_NEEDED] |
| Chân 72 | PFn — Port F I/O bit [DATA_NEEDED] |
| Chân 73 | VSS — Ground |
| Chân 74 | VDDR — I/O supply |
| Chân 75 | PGn — Port G I/O bit [DATA_NEEDED] |
| Chân 76 | PGn — Port G I/O bit [DATA_NEEDED] |
| Chân 77 | PGn — Port G I/O bit [DATA_NEEDED] |
| Chân 78 | PGn — Port G I/O bit [DATA_NEEDED] |
| Chân 79 | PGn — Port G I/O bit [DATA_NEEDED] |
| Chân 80 | PGn — Port G I/O bit [DATA_NEEDED] |
| Chân 81 | PGn — Port G I/O bit [DATA_NEEDED] |
| Chân 82 | PGn — Port G I/O bit [DATA_NEEDED] |
| Chân 83 | PHn — Port H I/O bit [DATA_NEEDED] |
| Chân 84 | PHn — Port H I/O bit [DATA_NEEDED] |
| Chân 85 | PHn — Port H I/O bit [DATA_NEEDED] |
| Chân 86 | PHn — Port H I/O bit [DATA_NEEDED] |
| Chân 87 | PHn — Port H I/O bit [DATA_NEEDED] |
| Chân 88 | PHn — Port H I/O bit [DATA_NEEDED] |
| Chân 89 | PHn — Port H I/O bit [DATA_NEEDED] |
| Chân 90 | PHn — Port H I/O bit [DATA_NEEDED] |
| Chân 91 | PIn — Port I I/O bit [DATA_NEEDED] |
| Chân 92 | PIn — Port I I/O bit [DATA_NEEDED] |
| Chân 93 | PIn — Port I I/O bit [DATA_NEEDED] |
| Chân 94 | PIn — Port I I/O bit [DATA_NEEDED] |
| Chân 95 | PIn — Port I I/O bit [DATA_NEEDED] |
| Chân 96 | PIn — Port I I/O bit [DATA_NEEDED] |
| Chân 97 | PIn — Port I I/O bit [DATA_NEEDED] |
| Chân 98 | PIn — Port I I/O bit [DATA_NEEDED] |
| Chân 99 | VSS — Ground |
| Chân 100 | VDD1 — Core supply |
| Chân 101 | PJn — Port J I/O bit [DATA_NEEDED] |
| Chân 102 | PJn — Port J I/O bit [DATA_NEEDED] |
| Chân 103 | PJn — Port J I/O bit [DATA_NEEDED] |
| Chân 104 | PJn — Port J I/O bit [DATA_NEEDED] |
| Chân 105 | PJn — Port J I/O bit [DATA_NEEDED] |
| Chân 106 | PJn — Port J I/O bit [DATA_NEEDED] |
| Chân 107 | PJn — Port J I/O bit [DATA_NEEDED] |
| Chân 108 | PJn — Port J I/O bit [DATA_NEEDED] |
| Chân 109 | PKn — Port K I/O bit [DATA_NEEDED] |
| Chân 110 | PKn — Port K I/O bit [DATA_NEEDED] |
| Chân 111 | PKn — Port K I/O bit [DATA_NEEDED] |
| Chân 112 | PLn — Port L I/O bit [DATA_NEEDED] |
Ứng dụng tiêu biểu
S9S12XS64J1MAL phù hợp cho 6 Áp dụngs: Automotive Body Control Module (BCM), HVAC Control Panel, Lighting Controller (LED Headlamp/Light Bar), Automotive Door/Seat Module, CAN-Based Sensor Node, Instrument Cluster Controller.
Automotive Body Control Module (BCM)
The S9S12XS64J1MAL's four MSCAN controllers and 91 I/O lines give it the peripheral headroom to manage dozens of body loads - headlamps, wipers, mirrors, central locking - in a single automotive-grade MCU. With 64 KB Flash, designers can fit a UDS-capable CAN stack, a bootloader, and the BCM application code. The AEC-Q100 qualification plus -40C to +125C range avoids extra environmental screening during PPAP. Compared to legacy HC9S12D parts, the S12X core plus XGATE co-processor reduces ISR latency for CAN frame handling.
Được đề xuất
HVAC Control Panel
Climate-control ECUs require 5V-tolerant analog inputs for thermistor sensing, PWM outputs for blower speed, and CAN connectivity to the vehicle network - exactly the S9S12XS64J1MAL's profile. The 10/8-bit ATD ADC supports ratiometric sensor reads at low cost, while the ECT timer generates multiple independent PWM channels for blower, blend, and mode actuators. Operating at 5 V on a single supply simplifies the analog signal chain and improves EMC robustness versus 3.3 V parts in some automotive layouts.
Được đề xuất
Lighting Controller (LED Headlamp/Light Bar)
The S9S12XS64J1MAL's ECT timer drives up to 8 PWM channels with programmable dead-time, enabling smooth LED dimming and matrix-beam control. Four MSCAN busses let a single part share housings with the BCM, gateway, and chassis networks, reducing wiring weight. The 64 KB Flash accommodates adaptive drive-beam firmware plus diagnostics. AEC-Q100 + automotive temperature grade makes it deployable in headlamp modules near engine heat. Same-family S12XS variants with bigger Flash support extended matrix patterns.
Được đề xuất
Automotive Door/Seat Module
Door modules juggle window lift, mirror adjustment, lock actuators, and mirror defrost - one of the classic S12XS use cases. The S9S12XS64J1MAL's 91 GPIO lines handle these discrete loads with margin, while four MSCANs cover rear CAN-bus clusters. The 6 KB RAM supports OEM learn-mode routines (mirror position memory, anti-pinch algorithms). Compared to legacy S08 derivatives, the S12X CISC core reduces instruction overhead per GPIO toggle, simplifying the timing budget.
Được đề xuất
CAN-Based Sensor Node
Small sensor ECUs (rain/light, yaw rate, tire-pressure gateway) need a single chip with CAN plus enough Flash for calibration and diagnostics. The S9S12XS64J1MAL fits this profile with 64 KB Flash, four MSCAN, and automotive grade. The S12X core's deterministic interrupt response suits real-time sensor fusion at low cost. Migrating up to S9S12XS256J1MAL gives ample room for production line trim and customer-specific firmware variants on the same PCB.
Được đề xuất
Instrument Cluster Controller
Mid-range instrument clusters can run on the S9S12XS64J1MAL when the gauge animations are stepper or low-cost LCD driven, and the network is two-CAN (body + chassis). Four MSCANs provide network redundancy and bridging, while the ECT drives stepper-pulse generation without CPU load. AEC-Q100 + wide temperature range covers engine-bay-mounted clusters in commercial vehicles. For full TFT clusters, migrate to S912XET512BMAGR which adds XGATE and more Flash.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho S9S12XS64J1MAL — 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 | S9S12XS128J1MAL | S9S12XS256J1MAL | MC9S12XS128MAE | S9S12XF384J2MLMR | S912XET512BMAGR |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 112-LQFP (20x20) | 112-LQFP (20x20) - same | 112-LQFP (20x20) - same | 112-LQFP - same | 112-LQFP - same | 112-LQFP - same |
| Core | S12X (16-bit CISC) | S12X (16-bit CISC) | S12X (16-bit CISC) | S12X (16-bit CISC) | S12XF (16-bit CISC + XGATE) | S12XET (16-bit CISC + XGATE) |
| Flash Memory | 64 KB | 128 KB (+100%) | 256 KB (+300%) | 128 KB (+100%) | 384 KB (+500%) | 512 KB (+700%) |
| EEPROM | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB |
| RAM | 6 KB | 8 KB | 12 KB | 8 KB | 12 KB | 32 KB |
| CPU Clock | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 50 MHz |
| MSCAN Modules | 4 | 4 | 4 | 4 | 5 | 6 |
| Operating Temperature | -40C to +125C (automotive) | -40C to +125C (automotive) | -40C to +125C (automotive) | -40C to +85C (industrial) | -40C to +125C (automotive) | -40C to +125C (automotive) |
| AEC-Q100 | Yes | Yes | Yes | Not applicable | Yes | Yes |
| Price (tier-100) | $11.85 | $13.50 | $15.20 | $11.30 | $18.50 | $22.00 |
Bảo phân biệt quan trọng
- Four MSCAN controllers in mid-range Flash tier (vsMC9S12XS128MAE)
- Wider operating temperature than the industrial variant (vsMC9S12XS128MAE)
- Cost-optimized Flash versus XGATE-enabled members (vsS912XET512BMAGR)
Ghi chú thiết kế
Ensure the BDM (background debug mode) pin is correctly biased during reset - a floating BKGD line can trap the device in debug mode or stall application startup. Use a 4.7 kohm pull-up to VDDR per the NXP S12X reference manual. Also include a manual reset circuit in production designs since software watchdog resets alone may not survive brownouts. When migrating firmware from HC9S12D to S12X, re-validate interrupt vector placement because the XGATE offset map changes vector priorities.
The 112-LQFP at 0.65 mm pitch requires 4 mil (0.1 mm) traces between pads with small fan-out. Place 0.1 uF decoupling capacitors within 5 mm of every VDD/VDDA pin pair, plus a 4.7 uF bulk cap on the main regulator output. Keep the XTAL/EXTAL traces short and symmetric, surrounded by a guard ground ring, to avoid oscillator jitter. For automotive CAN bus outputs, dedicate a 1.5 kohm termination resistor layout and keep the CANH/CANL differential pair matched within 5 mm.
Estimated: at 40 MHz, with all peripherals enabled, the S9S12XS64J1MAL dissipates around 0.5 W (typical run current around 100 mA at 5 V). The 112-LQFP with copper pour has theta_JA around 35 C/W, producing a 17.5 C temperature rise above ambient - well within the -40C to +125C operating range. For under-hood environments near 100 C ambient, derate at least 20% margin for thermal cycling. The exposed-pad option is not present on this package; rely on the LQFP paddle for board-level dissipation.
Thông tin tuân thủ
AEC-Q100 qualified per NXP S12XS datasheet and the octopart/DigiKey product listings. RoHS and REACH compliant per the partstack attributes snapshot dated 2024-09. Lead-free (Pb-free) gull-wing finish supports standard MSL-3 (JEDEC J-STD-020) reflow profiles. Conflict-mineral statements available via NXP customer portal.
