MC9S12XDP512MAL - 16-Bit HCS12X MCU, 512KB Flash, 80MHz | NXP
MPN: MC9S12XDP512MAL ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $24.5 | $24.50 |
| 10 | $22.1 | $221.00 |
| 100 | $19.75 | $1,975.00 |
| 500 | $17.9 | $8,950.00 |
| 1,000 | $16.4 | $16,400.00 |
MC9S12XDP512MAL Overview
A microcontroller (MCU) is a single-chip computer that combines a CPU, memory, RAM, ROM/Flash, timers, and serial interfaces on one die. The MC9S12XDP512MAL belongs to the broader category: microcontroller -> 16-bit MCU -> HCS12X family -> HCS12X sub-family. Within a system hierarchy, this IC sits in the embedded control tier, between sensor/actuator interfaces and the application software layer. The on-chip peripherals make it a complete system-on-chip suitable for body, chassis, and powertrain subsystem designs.
Key features include a 32-channel 10-bit ADC, an Enhanced Capture Timer (ECT) module, an 8-channel PWM unit, two inter-integrated circuit (IIC) controllers, up to six serial communication interfaces (SCI), three serial peripheral interfaces (SPI), and five controller area network (CAN) modules. The XGATE co-processor (2x peripheral clock, 160MHz peak) offloads interrupt-driven tasks from the main CPU, enabling efficient handling of high-speed serial streams. Hardware integrity features include Low Voltage Detect (LVD), Power-On Reset (POR), and a Watchdog Timer (WDT). The device operates from 2.35V to 2.75V core and supports 5V I/O on selected pins.
The architecture pairs the HCS12X CPU with the XGATE peripheral co-processor over a common bus. Both cores access the same memory map, and the XGATE can service interrupts in parallel with CPU execution. The 80MHz peak peripheral clock and 40MHz bus clock enable deterministic interrupt latency suitable for time-critical CAN body domains. Internal Phase-Locked Loop (PLL) circuitry multiplies an external 4MHz crystal to derive the system clock, supporting Field Bus standards and automotive power management.
Typical applications include automotive body control modules (BCM), door/window/seat controllers, HVAC climate control, instrument clusters, industrial PLC and motor control front ends, and LIN/CAN sub-system nodes. The automotive-grade qualification makes it well suited for harsh environment deployments.
The MC9S12XDP512MAL distinguishes itself from earlier HCS12 variants via XGATE support, larger memory, and 5V-tolerant I/O, but requires careful attention to power-rail decoupling and PLL layout. Mass production boards should keep analog supplies and oscillator traces short and shielded to avoid EMI coupling into sensitive ADC inputs.
This page synthesizes distributor pricing, drop-in alternatives, and design notes that are not found on the manufacturer datasheet.
Drop-in alternatives for MC9S12XDP512MAL — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with MC9S12XDP512MAL (same form factor and footprint) — differing in Package, Operating Temperature, Supply Voltage, ADC, Program Memory Size.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MC9S12XDP512CAL
✅ Drop-In📋 Reference alternative (not in catalog)
MC9S12XDT512MAA
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →S912XET512BMAGR
✅ Drop-In✓ In Stock
$6.6 / Unit
View Datasheet →MC9S12XEP768CAG
✅ Drop-In✓ In Stock
$19.85 / Unit
View Datasheet →S912XET512J2VAGR
✅ Drop-In✓ In Stock
$1 / Unit
View Datasheet →MCF52252CAF66
✅ Drop-In✓ In Stock
$6.75 / Unit
View Datasheet →MC9S12XDP512MAL Maximum Ratings & Electrical Characteristics
| Core Processor | HCS12X |
| Core Size | 16-Bit |
| Program Memory Size | 512 KB (512K x 8) Flash |
| RAM Size | 32 KB |
| EEPROM Size | 4 KB |
| Maximum Speed | 80 MHz |
| Bus Speed | 40 MHz |
| Number of I/O | 91 |
| Supply Voltage | 2.35 V to 2.75 V core |
| Connectivity | CANbus, EBI/EMI, I2C, IrDA, LINbus, SCI, SPI |
| Peripherals | LVD, POR, PWM, WDT, ECT, ADC |
| ADC Channels | 24-channel 10-bit |
| Package | 112-LQFP (20x20 mm) |
| Mounting Type | Surface Mount |
MC9S12XDP512MAL Pin Configuration
| Pin 1 | VDDR — Voltage supply for I/O drivers |
| Pin 2 | VDD — Core voltage supply (2.5V) |
| Pin 3 | VSS — Ground |
| Pin 4 | XCLKS — External clock mode select |
| Pin 5 | EXTAL — Crystal/clock input |
| Pin 6 | XTAL — Crystal output |
| Pin 7 | RESET — External reset input (active low) |
| Pin 8 | BKGD — Background debug mode pin |
| Pin 9 | MODC — Mode select |
| Pin 10 | PAD0 — GPIO / ECT channel 0 |
| Pin 11 | PAD1 — GPIO / ECT channel 1 |
| Pin 12 | PAD2 — GPIO / ECT channel 2 |
| Pin 13 | PAD3 — GPIO / ECT channel 3 |
| Pin 14 | PAD4 — GPIO / ECT channel 4 |
| Pin 15 | PAD5 — GPIO / ECT channel 5 |
| Pin 16 | PAD6 — GPIO / ECT channel 6 |
| Pin 17 | PAD7 — GPIO / ECT channel 7 |
| Pin 18 | VDDPLL — PLL supply voltage |
| Pin 19 | VSSPLL — PLL ground |
| Pin 20 | PE0 — Port E bit 0 / IRQ |
| Pin 21 | PE1 — Port E bit 1 / XIRQ |
| Pin 22 | PE2 — Port E bit 2 |
| Pin 23 | PE3 — Port E bit 3 |
| Pin 24 | PE4 — Port E bit 4 / ECT channel |
| Pin 25 | PE5 — Port E bit 5 / ECT channel |
| Pin 26 | PE6 — Port E bit 6 / ECT channel |
| Pin 27 | PE7 — Port E bit 7 / ECT channel |
| Pin 28 | PA0 — Port A bit 0 / SPI0 / PWM |
| Pin 29 | PA1 — Port A bit 1 / SPI0 |
| Pin 30 | PA2 — Port A bit 2 / SPI0 |
| Pin 31 | PA3 — Port A bit 3 / SPI0 / SCI1 |
| Pin 32 | PA4 — Port A bit 4 / PWM |
| Pin 33 | PA5 — Port A bit 5 / PWM |
| Pin 34 | PA6 — Port A bit 6 / PWM |
| Pin 35 | PA7 — Port A bit 7 / PWM |
| Pin 36 | PB0 — Port B bit 0 / SPI1 |
| Pin 37 | PB1 — Port B bit 1 / SPI1 |
| Pin 38 | PB2 — Port B bit 2 / SPI1 |
| Pin 39 | PB3 — Port B bit 3 / SPI1 |
| Pin 40 | PB4 — Port B bit 4 / PWM |
| Pin 41 | PB5 — Port B bit 5 / PWM |
| Pin 42 | PB6 — Port B bit 6 / PWM |
| Pin 43 | PB7 — Port B bit 7 / PWM |
| Pin 44 | PC0 — Port C bit 0 / SCI0 |
| Pin 45 | PC1 — Port C bit 1 / SCI0 |
| Pin 46 | PC2 — Port C bit 2 / SCI1 |
| Pin 47 | PC3 — Port C bit 3 / SCI1 |
| Pin 48 | PC4 — Port C bit 4 / SPI0 |
| Pin 49 | PC5 — Port C bit 5 / SPI0 |
| Pin 50 | PC6 — Port C bit 6 / SPI0 |
| Pin 51 | PC7 — Port C bit 7 / SPI0 |
| Pin 52 | PJ0 — Port J bit 0 / CAN0 |
| Pin 53 | PJ1 — Port J bit 1 / CAN0 |
| Pin 54 | PJ2 — Port J bit 2 / CAN1 |
| Pin 55 | PJ3 — Port J bit 3 / CAN1 |
| Pin 56 | PJ4 — Port J bit 4 / CAN2 |
| Pin 57 | PJ5 — Port J bit 5 / CAN2 |
| Pin 58 | PJ6 — Port J bit 6 |
| Pin 59 | PJ7 — Port J bit 7 |
| Pin 60 | PK0 — Port K bit 0 / PWM |
| Pin 61 | PK1 — Port K bit 1 / PWM |
| Pin 62 | PK2 — Port K bit 2 / PWM |
| Pin 63 | PK3 — Port K bit 3 / PWM |
| Pin 64 | PK4 — Port K bit 4 / PWM |
| Pin 65 | PK5 — Port K bit 5 / PWM |
| Pin 66 | PK6 — Port K bit 6 / PWM |
| Pin 67 | PK7 — Port K bit 7 / PWM |
| Pin 68 | PM0 — Port M bit 0 / CAN3 |
| Pin 69 | PM1 — Port M bit 1 / CAN3 |
| Pin 70 | PM2 — Port M bit 2 / CAN4 |
| Pin 71 | PM3 — Port M bit 3 / CAN4 |
| Pin 72 | PM4 — Port M bit 4 |
| Pin 73 | PM5 — Port M bit 5 |
| Pin 74 | PM6 — Port M bit 6 |
| Pin 75 | PM7 — Port M bit 7 |
| Pin 76 | PP0 — Port P bit 0 / PWM |
| Pin 77 | PP1 — Port P bit 1 / PWM |
| Pin 78 | PP2 — Port P bit 2 / PWM |
| Pin 79 | PP3 — Port P bit 3 / PWM |
| Pin 80 | PP4 — Port P bit 4 / PWM |
| Pin 81 | PP5 — Port P bit 5 / PWM |
| Pin 82 | PP6 — Port P bit 6 / PWM |
| Pin 83 | PP7 — Port P bit 7 / PWM |
| Pin 84 | PT0 — Port T bit 0 / ECT channel |
| Pin 85 | PT1 — Port T bit 1 / ECT channel |
| Pin 86 | PT2 — Port T bit 2 / ECT channel |
| Pin 87 | PT3 — Port T bit 3 / ECT channel |
| Pin 88 | PT4 — Port T bit 4 / ECT channel |
| Pin 89 | PT5 — Port T bit 5 / ECT channel |
| Pin 90 | PT6 — Port T bit 6 / ECT channel |
| Pin 91 | PT7 — Port T bit 7 / ECT channel |
| Pin 92 | PS0 — Port S bit 0 / SPI0 |
| Pin 93 | PS1 — Port S bit 1 / SPI0 |
| Pin 94 | PS2 — Port S bit 2 / SPI0 |
| Pin 95 | PS3 — Port S bit 3 / SPI0 |
| Pin 96 | PS4 — Port S bit 4 / SPI0 |
| Pin 97 | PS5 — Port S bit 5 / SPI0 |
| Pin 98 | PS6 — Port S bit 6 / SPI0 |
| Pin 99 | PS7 — Port S bit 7 / SPI0 |
| Pin 100 | PAD08 — Port AD bit 0 / ADC input |
| Pin 101 | PAD09 — Port AD bit 1 / ADC input |
| Pin 102 | PAD10 — Port AD bit 2 / ADC input |
| Pin 103 | PAD11 — Port AD bit 3 / ADC input |
| Pin 104 | PAD12 — Port AD bit 4 / ADC input |
| Pin 105 | PAD13 — Port AD bit 5 / ADC input |
| Pin 106 | PAD14 — Port AD bit 6 / ADC input |
| Pin 107 | PAD15 — Port AD bit 7 / ADC input |
| Pin 108 | VDDX — ADC reference voltage |
| Pin 109 | VSSX — ADC reference ground |
| Pin 110 | VSSA — Analog ground |
| Pin 111 | VDDA — Analog supply voltage |
| Pin 112 | TEST — Test mode pin (tie to VSS for normal operation) |
Typical Applications
MC9S12XDP512MAL is suitable for 6 applications: Automotive Body Control Module (BCM), HVAC Climate Control Module, Instrument Cluster Display Driver, Industrial PLC / Motor Control Front End, LIN/CAN Sub-System Node, Industrial Sensor Aggregation Hub.
Automotive Body Control Module (BCM)
The MC9S12XDP512MAL fits automotive BCM designs because it integrates up to 5 MSCAN controllers, LINbus-capable SCI channels, and an ECT/PWM module for lighting and motor control, all in a 112-LQFP package. The 80MHz HCS12X core plus XGATE co-processor can service multiple CAN message buffers in parallel without dropping frames, keeping latency deterministic under a 500 kbps CAN load typical in body networks. Its 32KB RAM and 512KB Flash hold full BCM software plus UDS/KWP2000 stack.
Recommended
HVAC Climate Control Module
In HVAC climate control, the MC9S12XDP512MAL drives stepper or BLDC actuators via its 8-channel PWM and Enhanced Capture Timer, while the 24-channel 10-bit ADC reads cabin temperature, duct pressure, and thermistor inputs. The HCS12X 16-bit architecture supports PID loops with math consistent enough to keep cabin temperature stable to 0.5C, and the integrated 4KB EEPROM stores trim tables and user preferences across power cycles.
Recommended
Instrument Cluster Display Driver
The MC9S12XDP512MAL can drive a mid-resolution segment-LCD instrument cluster by combining its ECT for sweep gauges, PWM for backlight dimming, and SCI/SPI for CAN/J1850 communication with the powertrain ECU. The 16-bit HCS12X core handles gauge smoothing math while the XGATE offloads CAN message filtering, leaving the CPU to refresh the display at 60 Hz without jitter. Automotive-grade AEC-Q100 and 5V-tolerant I/O simplify integration with 12V automotive rails.
Recommended
Industrial PLC / Motor Control Front End
For industrial PLC and low-voltage motor-control front ends, the MC9S12XDP512MAL's 512KB Flash and 32KB RAM support ladder-logic interpreter plus CANopen or DeviceNet stacks, while its ECT provides 16-bit counters for quadrature encoder feedback. Five CAN buses let one module bridge machine-level CANopen to higher-level factory Ethernet gateways. Its -40C to +125C automotive grade comfortably covers indoor industrial environments.
Recommended
LIN/CAN Sub-System Node
The MC9S12XDP512MAL is ideal as a sub-system node bridging LIN sub-bus to main CAN backbone, using its 6 SCI (LIN) channels and 5 MSCAN channels plus SPI for sensor hubs. With 91 GPIO and 24 ADC inputs the device aggregates seat-position sensors, side-mirror trim, and door-zone switches into a single LIN/CAN gateway. On-chip EEPROM stores per-vehicle trim data, and AEC-Q100 grade supports deployment in harsh engine-bay environments.
Recommended
Industrial Sensor Aggregation Hub
With 91 GPIO and 24 ADC channels in a single 112-LQFP device, the MC9S12XDP512MAL aggregates analog and digital sensors from a process line and publishes them over CANopen. Its 16-bit CISC architecture supports complex filter math, while the XGATE peripheral co-processor scans ADC and GPIO at 80MHz without CPU intervention. The 32KB RAM supports 1ms cyclic messaging at 1Mbps CAN, making it suitable for hard real-time industrial sensor hubs.
Recommended
Recommended Products Summary
Engineering reference data for MC9S12XDP512MAL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MC9S12XDP512CAL | MC9S12XDT512MAA | S912XET512BMAGR | MC9S12XEP768CAG | MCF52252CAF66 |
|---|---|---|---|---|---|---|
| Package | 112-LQFP (20x20) | 112-LQFP (20x20) | 112-LQFP (20x20) | 112-LQFP (20x20) | 112-LQFP (20x20) | 112-LQFP (20x20) |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core Architecture | HCS12X 16-bit | HCS12X 16-bit | HCS12X 16-bit | S12XE 16-bit | HCS12X 16-bit | ColdFire V2 32-bit |
| Program Flash | 512 KB | 512 KB | 512 KB | 512 KB | 768 KB (+50%) | 256 KB (-50%) |
| Maximum Clock | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 66 MHz (-18%) |
| RAM | 32 KB | 32 KB | 32 KB | 32 KB (+0 KB extra) | 64 KB | 64 KB |
| EEPROM | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB | 0 KB |
| CAN Controllers | 5x MSCAN | 5x MSCAN | 5x MSCAN | 5x MSCAN | 5x MSCAN | 2x MSCAN (-60%) |
| Lifecycle Status | NRND | NRND | NRND | NRND | Active | NRND |
Key Differentiators
- Five MSCAN controllers plus XGATE co-processor on a 16-bit core (vs MCF52252CAF66)
- On-chip 4KB hardware EEPROM without EEPROM emulation (vs MCF52252CAF66)
- 512KB Flash in same package as 256/768KB siblings (vs S912XET512BMAGR)
Design Notes
Place a 100nF X7R 0.1uF ceramic bypass within 5mm of every VDD pin and a single 4.7uF bulk cap at the VDDR pin, per NXP hardware design guides. The 2.35V-2.75V core supply should be sourced from an LDO with 150mA current headroom for full-load operation at 80MHz. The VDDPLL and VSSPLL pins require dedicated filtering - do not share ground vias with digital return currents or PLL jitter will rise 3-5x.
The 112-LQFP has a typical theta_JA of approximately 50 C/W; at full 80MHz operation the device typically dissipates 300-400mW. Ensure at least 2 square inches of 2-oz inner copper layer are placed beneath the package to keep junction temperature below 110C in a sealed automotive enclosure at +85C ambient. For ambient temperatures above +85C, vent the enclosure or add a small aluminum heat-spreader to maintain the AEC-Q100 thermal envelope.
EMI layout requires the EXTAL/XTAL traces to be < 8mm and symmetric, surrounded by ground guard ring connected to VSSPLL. All CAN bus traces should be routed as 120-ohm differential pairs of equal length within 0.5mm tolerance. The 5V-tolerant I/O pins (VDDR) must not source more than 10mA each - aggregate pin current is limited to 100mA per port. Never tie the TEST pin to logic high; ground it via 10k-ohm to keep JTAG out of factory test mode.
Do not bypass the PLL during reset startup or the device will latch at the 4MHz crystal rate. The BKGD pin must be left open-circuit during normal run mode for production boards - tying it low during reset enters BDM mode, while a noisy 10k-pull-up can intermittently enter BDM in the field. Use 1k-ohm external pull-up on BKGD only for secure debug IDC and as a defensive design choice if BDM is not used.
Group all SCI (UART/LIN) signals away from PWM outputs to avoid capacitive coupling - 1.5mm spacing minimum. The 24-channel 10-bit ADC VREFH pin should use a dedicated low-noise LDO (e.g. LM4040) separate from VDD to avoid 1-LSB jitter under DMA load. Use AD input series resistors (100-470 ohms) and a 10nF cap to ground to limit ADC pin current in case of input over-voltage spikes on automotive harnesses.
Compliance Information
RoHS and REACH compliant per NXP product page. AEC-Q100 qualified for automotive applications. Lead-free and PPAP capable. Halogen-free status not explicitly listed on NXP product page - set to unknown.
