MC9S12XEQ512CAG - 16-Bit S12X MCU, 512KB Flash, 50MHz, 144-LQFP | NXP
MPN: MC9S12XEQ512CAG ✓ AktifMC9S12XEQ512CAG Ringkasan
A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (Flash), data memory (RAM), and programmable peripherals. In the embedded system taxonomy, the MC9S12XEQ512CAG is a Flash-based MCU -> CISC microcontroller -> 16-bit embedded controller -> automotive-grade semiconductor. The HCS12X core uses a CISC instruction set with enhanced addressing modes, while the XGATE peripheral co-processor enables offloading of time-critical interrupt servicing to free the main CPU for application code.
Key features include 512 KB on-chip Flash, 32 KB RAM, a 12-bit ADC with 3 us conversion time, an enhanced capture timer (ECT), periodic interrupt timer (PIT), real-time interrupt (RTI), CAN, SCI, SPI, and a memory protection unit supporting supervisor/user privilege separation. The XGATE co-processor operates at twice the bus speed and can be used to implement virtual peripherals and DMA-style data movement at zero CPU overhead.
The device supports multi-voltage I/O (5V or 3.3V) and operates across an extended automotive temperature range (-40C to +85C for the -CAG suffix). Its on-chip regulator accepts a single external 5V supply and generates internal 1.8V and 2.8V rails. The integrated CAN module makes it well-suited for in-vehicle networking and industrial fieldbus.
Typical applications include body control modules (BCM), instrument clusters, automotive HVAC controllers, industrial CAN nodes, and sensor interface platforms. The combination of deterministic interrupt latency and large Flash makes the part a strong fit for firmware-rich automotive ECUs where software-update time and reliability matter.
When designing with this part, note that the 144-LQFP package requires 4-layer PCB for clean SI on the external bus interface, and the XGATE firmware must be loaded into a dedicated RAM region. The MCU's Flash programming model uses a separate erase sector for EEPROM emulation and demands specific sequencing for security unlocking.
This page synthesizes distributor pricing, same-family NXP drop-in alternates, and practical design notes not found in the manufacturer datasheet alone.
Alternatif penggantian untuk MC9S12XEQ512CAG — paket yang sama, pin-pada-pin kompatibel. Bagian paket yang berbeda memerlukan kerja ulang PCB diabaikan.
Variasi di dalam seri ini
Model-series yang sama yang kompatibel dengan penggantian MC9S12XEQ512CAG (sama faktor bentuk dan footprint) — berbeda di dalam Package, Operating Temperature, Supply Voltage, Core, ADC.
MC9S12XEQ384CAG
✅ Drop-InKontak untuk harga
Lihat Datasheet →MC9S12XDP512CAG
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
MC9S12XEP768CAG
✅ Drop-InKontak untuk harga
Lihat Datasheet →MC9S12XDT512MAA
✅ Drop-InKontak untuk harga
Lihat Datasheet →MC9S12A512CPVE
✅ Drop-InKontak untuk harga
Lihat Datasheet →MC9S12XEQ512CAG Rating Maksimal & Karakteristik Listrik
| Core | HCS12X (16-bit CISC) |
| Co-processor | XGATE (RISC, 2x bus speed) |
| Bus Speed (Max) | 50 MHz |
| Program Flash | 512 KB (512K x 8) |
| RAM | 32 KB |
| ADC | 12-bit, 3 us conversion time |
| Operating Voltage | 1.8 V / 2.8 V / 5 V (multi-supply I/O) |
| Suhu Kerja | -40 C to +85 C |
| Paket | 144-LQFP (20 x 20 mm) |
| Tipe Mounting | Surface Mount |
| Communication | CAN, SCI, SPI |
| Timers | ECT, PIT, RTI |
| Security | Memory Protection Unit (supervisor/user modes) |
| Level MSL | 3 (168 hours) |
| Status RoHS | Compliant |
| Series | S12XE Family |
Konfigurasi Pin MC9S12XEQ512CAG
| Pin produk 1 | VDDR — Voltage regulator output (internal 2.8V) |
| Pin produk 2 | VDD1 — Core voltage supply (1.8V internal) |
| Pin produk 3 | VDDX — I/O voltage supply (3.3V or 5V) |
| Pin produk 4 | VSS — Ground |
| Pin produk 5 | RESET_b — Active-low reset input |
| Pin produk 6 | MODC — Mode selection (background debug mode) |
| Pin produk 7 | BKGD — Background debug and mode select |
| Pin produk 8 | PAD0 — Port AD bit 0 (also ATD0.10A) |
| Pin produk 9 | PAD1 — Port AD bit 1 |
| Pin produk 10 | PAD2 — Port AD bit 2 |
| Pin produk 11 | PAD3 — Port AD bit 3 |
| Pin produk 12 | PAD4 — Port AD bit 4 |
| Pin produk 13 | PAD5 — Port AD bit 5 |
| Pin produk 14 | PAD6 — Port AD bit 6 |
| Pin produk 15 | PAD7 — Port AD bit 7 |
| Pin produk 16 | PAD8 — Port AD bit 8 |
| Pin produk 17 | PAD9 — Port AD bit 9 |
| Pin produk 18 | PAD10 — Port AD bit 10 |
| Pin produk 19 | PAD11 — Port AD bit 11 |
| Pin produk 20 | PAD12 — Port AD bit 12 |
| Pin produk 21 | PAD13 — Port AD bit 13 |
| Pin produk 22 | PAD14 — Port AD bit 14 |
| Pin produk 23 | PAD15 — Port AD bit 15 |
| Pin produk 24 | PAD16 — Port AD bit 16 |
| Pin produk 25 | PAD17 — Port AD bit 17 |
| Pin produk 26 | PAD18 — Port AD bit 18 |
| Pin produk 27 | PAD19 — Port AD bit 19 |
| Pin produk 28 | PAD20 — Port AD bit 20 |
| Pin produk 29 | PAD21 — Port AD bit 21 |
| Pin produk 30 | PAD22 — Port AD bit 22 |
| Pin produk 31 | PAD23 — Port AD bit 23 |
| Pin produk 32 | PAD24 — Port AD bit 24 |
| Pin produk 33 | PAD25 — Port AD bit 25 |
| Pin produk 34 | PAD26 — Port AD bit 26 |
| Pin produk 35 | PAD27 — Port AD bit 27 |
| Pin produk 36 | PAD28 — Port AD bit 28 |
| Pin produk 37 | PAD29 — Port AD bit 29 |
| Pin produk 38 | PAD30 — Port AD bit 30 |
| Pin produk 39 | PAD31 — Port AD bit 31 |
| Pin produk 40 | PA0 — Port A bit 0 (general I/O) |
| Pin produk 41 | PA1 — Port A bit 1 |
| Pin produk 42 | PA2 — Port A bit 2 |
| Pin produk 43 | PA3 — Port A bit 3 |
| Pin produk 44 | PA4 — Port A bit 4 |
| Pin produk 45 | PA5 — Port A bit 5 |
| Pin produk 46 | PA6 — Port A bit 6 |
| Pin produk 47 | PA7 — Port A bit 7 |
| Pin produk 48 | PB0 — Port B bit 0 |
| Pin produk 49 | PB1 — Port B bit 1 |
| Pin produk 50 | PB2 — Port B bit 2 |
| Pin produk 51 | PB3 — Port B bit 3 |
| Pin produk 52 | PB4 — Port B bit 4 |
| Pin produk 53 | PB5 — Port B bit 5 |
| Pin produk 54 | PB6 — Port B bit 6 |
| Pin produk 55 | PB7 — Port B bit 7 |
| Pin produk 56 | PC0 — Port C bit 0 |
| Pin produk 57 | PC1 — Port C bit 1 |
| Pin produk 58 | PC2 — Port C bit 2 |
| Pin produk 59 | PC3 — Port C bit 3 |
| Pin produk 60 | PC4 — Port C bit 4 |
| Pin produk 61 | PC5 — Port C bit 5 |
| Pin produk 62 | PC6 — Port C bit 6 |
| Pin produk 63 | PC7 — Port C bit 7 |
| Pin produk 64 | VSS — Ground |
| Pin produk 65 | VDDX — I/O voltage supply |
| Pin produk 66 | PE0 — Port E bit 0 (also IRQ interrupt) |
| Pin produk 67 | PE1 — Port E bit 1 (also XIRQ interrupt) |
| Pin produk 68 | PE2 — Port E bit 2 |
| Pin produk 69 | PE3 — Port E bit 3 |
| Pin produk 70 | PE4 — Port E bit 4 |
| Pin produk 71 | PE5 — Port E bit 5 |
| Pin produk 72 | PE6 — Port E bit 6 |
| Pin produk 73 | PE7 — Port E bit 7 |
| Pin produk 74 | PJ0 — Port J bit 0 (CAN0 TX) |
| Pin produk 75 | PJ1 — Port J bit 1 (CAN0 RX) |
| Pin produk 76 | PJ2 — Port J bit 2 |
| Pin produk 77 | PJ3 — Port J bit 3 |
| Pin produk 78 | PJ4 — Port J bit 4 |
| Pin produk 79 | PJ5 — Port J bit 5 |
| Pin produk 80 | PJ6 — Port J bit 6 |
| Pin produk 81 | PJ7 — Port J bit 7 |
| Pin produk 82 | PK0 — Port K bit 0 |
| Pin produk 83 | PK1 — Port K bit 1 |
| Pin produk 84 | PK2 — Port K bit 2 |
| Pin produk 85 | PK3 — Port K bit 3 |
| Pin produk 86 | PK4 — Port K bit 4 |
| Pin produk 87 | PK5 — Port K bit 5 |
| Pin produk 88 | PK6 — Port K bit 6 |
| Pin produk 89 | PK7 — Port K bit 7 |
| Pin produk 90 | PM0 — Port M bit 0 |
| Pin produk 91 | PM1 — Port M bit 1 |
| Pin produk 92 | PM2 — Port M bit 2 |
| Pin produk 93 | PM3 — Port M bit 3 |
| Pin produk 94 | PM4 — Port M bit 4 |
| Pin produk 95 | PM5 — Port M bit 5 |
| Pin produk 96 | PM6 — Port M bit 6 |
| Pin produk 97 | PM7 — Port M bit 7 |
| Pin produk 98 | PP0 — Port P bit 0 (PWM channel) |
| Pin produk 99 | PP1 — Port P bit 1 (PWM channel) |
| Pin produk 100 | PP2 — Port P bit 2 (PWM channel) |
| Pin produk 101 | PP3 — Port P bit 3 (PWM channel) |
| Pin produk 102 | PP4 — Port P bit 4 (PWM channel) |
| Pin produk 103 | PP5 — Port P bit 5 (PWM channel) |
| Pin produk 104 | PP6 — Port P bit 6 (PWM channel) |
| Pin produk 105 | PP7 — Port P bit 7 (PWM channel) |
| Pin produk 106 | PS0 — Port S bit 0 (SPI0 SCK) |
| Pin produk 107 | PS1 — Port S bit 1 (SPI0 MOSI) |
| Pin produk 108 | PS2 — Port S bit 2 (SPI0 MISO) |
| Pin produk 109 | PS3 — Port S bit 3 (SPI0 SS) |
| Pin produk 110 | PS4 — Port S bit 4 |
| Pin produk 111 | PS5 — Port S bit 5 |
| Pin produk 112 | PS6 — Port S bit 6 |
| Pin produk 113 | PS7 — Port S bit 7 |
| Pin produk 114 | PT0 — Port T bit 0 (ECT channel) |
| Pin produk 115 | PT1 — Port T bit 1 (ECT channel) |
| Pin produk 116 | PT2 — Port T bit 2 (ECT channel) |
| Pin produk 117 | PT3 — Port T bit 3 (ECT channel) |
| Pin produk 118 | PT4 — Port T bit 4 (ECT channel) |
| Pin produk 119 | PT5 — Port T bit 5 (ECT channel) |
| Pin produk 120 | PT6 — Port T bit 6 (ECT channel) |
| Pin produk 121 | PT7 — Port T bit 7 (ECT channel) |
| Pin produk 122 | VDDX — I/O voltage supply |
| Pin produk 123 | VSS — Ground |
| Pin produk 124 | CAN0TX — CAN 0 transmit output |
| Pin produk 125 | CAN0RX — CAN 0 receive input |
| Pin produk 126 | VDDX — I/O voltage supply |
| Pin produk 127 | XCLKS — Clock select (low=loop controlled) |
| Pin produk 128 | EXTAL — External clock/crystal input |
| Pin produk 129 | XTAL — Crystal output |
| Pin produk 130 | ECLK — ECLK free-running clock output |
| Pin produk 131 | TEST — Test mode pin (tie to VSS for floating) |
| Pin produk 132 | VDDR — Voltage regulator output |
| Pin produk 133 | VSS — Ground |
| Pin produk 134 | VDDPLL — PLL supply voltage |
| Pin produk 135 | VSSPLL — PLL ground |
| Pin produk 136 | PAD32 — Port AD bit 32 (ATD input) |
| Pin produk 137 | PAD33 — Port AD bit 33 (ATD input) |
| Pin produk 138 | PAD34 — Port AD bit 34 (ATD input) |
| Pin produk 139 | PAD35 — Port AD bit 35 (ATD input) |
| Pin produk 140 | PAD36 — Port AD bit 36 (ATD input) |
| Pin produk 141 | PAD37 — Port AD bit 37 (ATD input) |
| Pin produk 142 | PAD38 — Port AD bit 38 (ATD input) |
| Pin produk 143 | PAD39 — Port AD bit 39 (ATD input) |
| Pin produk 144 | PAD40 — Port AD bit 40 (ATD input) |
Aplikasi Umum
MC9S12XEQ512CAG cocok untuk 6 aplikasis: Automotive Body Control Module (BCM), Industrial CAN-Open Fieldbus Node, Automotive HVAC Climate Controller, Instrument Cluster Display Controller, Automotive Lighting ECU, Sensor Interface / Data Acquisition Module.
Automotive Body Control Module (BCM)
The MC9S12XEQ512CAG fits body control modules because it combines an on-chip CAN 2.0A/B controller with 512 KB of Flash, enough for a full BCM firmware stack (drivers, body application, CAN stack, UDS diagnostics, and bootloader) plus headroom for OTA-friendly A/B image banks. The XGATE co-processor offloads PWM edge generation for lighting and seat motors, freeing the main HCS12X core to run body-domain CAN networking at 500 kbit/s without dropped frames. The 144-LQFP footprint provides ample GPIO for door/wiper/lighting matrices. Operating from -40C to +85C with 5V I/O, it tolerates harsh automotive under-hood electrical environments without external level shifters.
Direkomendasikan
Industrial CAN-Open Fieldbus Node
In industrial CAN-Open and DeviceNet nodes, the MC9S12XEQ512CAG's on-chip CAN and 32 KB RAM host a CAN-Open stack (CiA 401/402/406) plus PDO/SDO handlers without external memory. The 50 MHz HCS12X core delivers deterministic cycle times down to 1 ms for synchronous PDOs across 16 nodes. The 144-LQFP package exposes the ECT (enhanced capture timer) for precise quadrature decoding of incremental encoders and supports up to 8 PWM channels for motor or valve actuation. Wide operating temperature and on-chip EEPROM emulation (via Flash sector) suit long-life industrial deployments where frequent parameter writes are needed.
Direkomendasikan
Automotive HVAC Climate Controller
HVAC climate controllers benefit from the MC9S12XEQ512CAG's combination of 12-bit ADC with 3 us conversion for NTC temperature sensor scanning, ECT for blower PWM generation, and SCI for HVAC panel keypad interface. The 512 KB Flash fits firmware for PID blower control, mode-door position tracking, CAN-linked setpoint reception, and diagnostics. XGATE handles the time-critical ADC scan-finished interrupt while the main core executes climate-control logic, ensuring consistent thermal response under all load conditions.
Direkomendasikan
Instrument Cluster Display Controller
For instrument clusters driving TFT or segment LCD displays, the MC9S12XEQ512CAG provides the SPI throughput (up to 25 Mbit/s on S12X) to drive a TFT driver IC while running CAN-linked vehicle speed/RPM messages. The XGATE co-processor offloads display refresh DMA, freeing CPU cycles for warning-indicator logic, odometer persistence (via Flash EEPROM emulation), and diagnostic fault storage. 512 KB Flash easily holds a cluster graphics library plus J1939/CAN messaging stack for commercial vehicle clusters.
Direkomendasikan
Automotive Lighting ECU
LED matrix and adaptive headlamp controllers use the MC9S12XEQ512CAG's ECT and XGATE for high-resolution PWM dimming while the main HCS12X core handles LIN/CAN messaging and fault diagnostics. The 5V-tolerant I/O interfaces directly to LED driver ICs and LIN transceivers. The 32 KB RAM accommodates fade-pattern buffers and color-mixing tables for RGB interior lighting, while 512 KB Flash supports DRL, turn signal, and adaptive beam patterns in a single firmware image.
Direkomendasikan
Sensor Interface / Data Acquisition Module
Multi-channel sensor acquisition modules leverage the MC9S12XEQ512CAG's 12-bit ADC with 3 us conversion (suitable for ~300 kSPS aggregate sampling) and 144-LQFP GPIO count for parallel sensor interfacing. The XGATE co-processor executes time-stamping and DMA-style data movement to RAM buffers without main-CPU intervention, while the HCS12X core aggregates, filters, and transmits data over CAN or SPI. 32 KB RAM holds several seconds of buffered acquisition before CAN transmission.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk MC9S12XEQ512CAG — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | MC9S12XEQ384CAG | MC9S12XDP512CAG | MC9S12XEP768CAG | MC9S12XDT512MAA | MC9S12A512CPVE |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 144-LQFP (20x20 mm) | 144-LQFP (20x20) - same | 144-LQFP (20x20) - same | 144-LQFP (20x20) - same | 144-LQFP (20x20) - same | 144-LQFP (20x20) - same |
| CPU Speed | 50 MHz | 50 MHz | 80 MHz | 50 MHz | 40 MHz | 25 MHz |
| Flash | 512 KB | 384 KB | 512 KB | 768 KB | 512 KB | 512 KB |
| RAM | 32 KB | 24 KB | 32 KB | 48 KB | 32 KB | 32 KB |
| Co-processor (XGATE) | Yes (RISC, 2x bus) | Yes | Yes | Yes | Yes | No (legacy S12A core) |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +125C | -40C to +85C |
| Lifecycle / Series | Active / S12XE | Active / S12XE | Active / S12XD | Active / S12XE | Active / S12XD | Active / S12A (legacy) |
Diferensiator Kunci
- Larger Flash (512 KB) at same CPU speed vs lower-density sibling (vsMC9S12XEQ384CAG)
- XGATE co-processor vs legacy S12A core (vsMC9S12A512CPVE)
- Optimized 50 MHz CPU vs higher-throughput XDP variant (vsMC9S12XDP512CAG)
Catatan Desain
Estimated: supply current at 50 MHz with all peripherals enabled is approximately 65 mA typical; with XGATE idle and main CPU halted it drops to ~25 mA. The internal voltage regulator requires a 100 nF decoupling capacitor close to VDDR/VDD1 pins and a 4.7 uF bulk cap on VDDRX. According to the NXP S12XE reference manual, the on-chip regulator must NOT be used to power external loads - isolate VDDR from external circuitry.
Estimated: the 144-LQFP (20x20 mm) package with 0.5 mm pitch demands a 4-layer stack-up with continuous ground plane under the IC for thermal dissipation and signal integrity. Place decoupling caps (100 nF X7R) within 3 mm of every VDDX/VSS pair. The EXTAL/XTAL crystal traces must be guarded by ground and kept under 10 mm length to minimize EMI radiation.
Do not leave the BKGD pin floating during reset - it must be either pulled high or driven by a programmer. According to the NXP S12XE reference manual, the XGATE co-processor firmware image is loaded into a dedicated RAM region at boot; failing to initialize the XGATE vector table causes silent XGATE interrupts. The TEST pin must be tied to VSS for normal operation - leaving it floating can latch the part into factory test mode.
Informasi Konformitas
AEC-Q100 qualified for automotive applications per NXP product page. RoHS and REACH compliant. Halogen-free status not explicitly stated in the provided data.