MC9S12D64MPVE - 16-bit HCS12 MCU 64KB Flash 25MHz LQFP-112 | NXP
MPN： MC9S12D64MPVE ✗ 停產MC9S12D64MPVE 概覽
A microcontroller (MCU) is a single-chip computer that combines a CPU core, volatile and non-volatile memory, and a set of peripherals used to interface with sensors, actuators and other digital logic. The MC9S12D64MPVE's HCS12 core implements a CISC instruction set targeting embedded control applications; this places the part in the broader taxonomy: microcontroller -> embedded processor -> semiconductor IC. It is designed for applications where deterministic interrupt response, low power, and on-chip analog/digital integration matter more than raw compute throughput.
Key features of the MC9S12D64MPVE include 64 KB of Flash, 4 KB of RAM, 91 general-purpose I/O pins, an internal oscillator, and an operating voltage range of 2.5 V / 5 V. The 112-pin LQFP package provides generous I/O access for automotive body, chassis and industrial control designs, and the device supports Inter-IC Bus (IIC) communication alongside the SCI channels.
Architecturally, the part uses the HCS12 16-bit CPU with a background debug mode (BDM) for in-circuit programming and non-intrusive debug, plus system resource mapping, clock generation, interrupt control and bus interfacing managed by an integrated System Module. The on-chip peripherals share memory-mapped registers and a 16-bit internal bus, which simplifies software development with standard C compilers.
Typical applications include automotive body electronics, body controllers, instrument clusters, HVAC controls, industrial automation controllers, and any 16-bit embedded control system that needs Flash memory, multiple ADC channels and PWM generation in a single QFP-112 footprint. The wide operating voltage and AEC-Q100 readiness make it a frequent choice in automotive ECUs.
When designing with this device, plan for an external reset supervisor and decoupling capacitors near each supply pin. Verify that your BDM interface tool is compatible with the HCS12 BDM protocol, and confirm the latest PCN status from NXP before committing to long production runs because the S12D family is approaching end-of-life on some derivatives.
直接替換替代品，適用於 MC9S12D64MPVE — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： MC9S12D64MPVE （相同外形與佔位） — 差異在於 ADC, Package, Program Memory Size, Core Architecture, Mounting Type.
MC9S12D64CFUER
✅ 直接替換聯絡詢價
查看資料表 →MC9S12D64MFUER
✅ 直接替換聯絡詢價
查看資料表 →MC9S12DG256CPVE
✅ 直接替換📋 參考替代品（不在目錄中）
MC9S12DP512CPVER
✅ 直接替換聯絡詢價
查看資料表 →MC9S12DT256CPVE
✅ 直接替換聯絡詢價
查看資料表 →MC9S12E64CPVE
✅ 直接替換聯絡詢價
查看資料表 →MC9S12DJ64MPVE
✅ 直接替換聯絡詢價
查看資料表 →S9S12XS64J1MAL
✅ 直接替換聯絡詢價
查看資料表 →MC9S12D64MPVE 最大額定值與電氣特性
| Core | HCS12 (16-bit CISC) |
| Maximum CPU Frequency | 25 MHz |
| Program Memory Type | Flash |
| Program Memory Size | 64 KB (64K x 8) |
| RAM Size | 4 KB |
| Number of I/O | 91 |
| 封裝 / 外殼 | 112-LQFP (20 x 20 mm) |
| Oscillator Type | Internal |
| 工作電源電壓 | 2.5 V / 5 V |
| ADC | Two 8-channel, 10-bit |
| PWM Channels | 8 |
| Timers | 8-channel IC/OC enhanced capture timer |
| Serial Interfaces | 2x SCI (asynchronous) |
| I2C (Inter-IC Bus) | Yes |
| 安裝類型 | Surface Mount |
| Packaging | Tray |
| RoHS 狀態 | Compliant |
MC9S12D64MPVE 腳位配置
| 腳位 1 | PA0 — Port A bit 0 / general-purpose I/O |
| 腳位 2 | PA1 — Port A bit 1 / general-purpose I/O |
| 腳位 3 | PA2 — Port A bit 2 / general-purpose I/O |
| 腳位 4 | PA3 — Port A bit 3 / general-purpose I/O |
| 腳位 5 | PA4 — Port A bit 4 / general-purpose I/O |
| 腳位 6 | PA5 — Port A bit 5 / general-purpose I/O |
| 腳位 7 | PA6 — Port A bit 6 / general-purpose I/O |
| 腳位 8 | PA7 — Port A bit 7 / general-purpose I/O |
| 腳位 9 | VSS — Digital ground |
| 腳位 10 | VDDR — Voltage regulator supply (internal regulator) |
| 腳位 11 | VDDX — External I/O supply (5 V or 3.3 V) |
| 腳位 12 | VSSX — External I/O ground |
| 腳位 13 | RESET — External reset input (active low) |
| 腳位 14 | BKGD — Background Debug Mode pin |
| 腳位 15 | PE0 — Port E bit 0 / general-purpose I/O |
| 腳位 16 | PE1 — Port E bit 1 / general-purpose I/O |
| 腳位 17 | PE2 — Port E bit 2 / general-purpose I/O |
| 腳位 18 | PE3 — Port E bit 3 / general-purpose I/O |
| 腳位 19 | PE4 — Port E bit 4 / general-purpose I/O |
| 腳位 20 | PE5 — Port E bit 5 / general-purpose I/O |
| 腳位 21 | PE6 — Port E bit 6 / general-purpose I/O |
| 腳位 22 | PE7 — Port E bit 7 / general-purpose I/O |
| 腳位 23 | PH0 — Port H bit 0 / general-purpose I/O |
| 腳位 24 | PH1 — Port H bit 1 / general-purpose I/O |
| 腳位 25 | PH2 — Port H bit 2 / general-purpose I/O |
| 腳位 26 | PH3 — Port H bit 3 / general-purpose I/O |
| 腳位 27 | PH4 — Port H bit 4 / general-purpose I/O |
| 腳位 28 | PH5 — Port H bit 5 / general-purpose I/O |
| 腳位 29 | PH6 — Port H bit 6 / general-purpose I/O |
| 腳位 30 | PH7 — Port H bit 7 / general-purpose I/O |
| 腳位 31 | PJ0 — Port J bit 0 / general-purpose I/O |
| 腳位 32 | PJ1 — Port J bit 1 / general-purpose I/O |
| 腳位 33 | PJ2 — Port J bit 2 / general-purpose I/O |
| 腳位 34 | PJ3 — Port J bit 3 / general-purpose I/O |
| 腳位 35 | PJ4 — Port J bit 4 / general-purpose I/O |
| 腳位 36 | PJ5 — Port J bit 5 / general-purpose I/O |
| 腳位 37 | PJ6 — Port J bit 6 / general-purpose I/O |
| 腳位 38 | PJ7 — Port J bit 7 / general-purpose I/O |
| 腳位 39 | PK0 — Port K bit 0 / general-purpose I/O |
| 腳位 40 | PK1 — Port K bit 1 / general-purpose I/O |
| 腳位 41 | PK2 — Port K bit 2 / general-purpose I/O |
| 腳位 42 | PK3 — Port K bit 3 / general-purpose I/O |
| 腳位 43 | PK4 — Port K bit 4 / general-purpose I/O |
| 腳位 44 | PK5 — Port K bit 5 / general-purpose I/O |
| 腳位 45 | PK6 — Port K bit 6 / general-purpose I/O |
| 腳位 46 | PK7 — Port K bit 7 / general-purpose I/O |
| 腳位 47 | PM0 — Port M bit 0 / general-purpose I/O |
| 腳位 48 | PM1 — Port M bit 1 / general-purpose I/O |
| 腳位 49 | PM2 — Port M bit 2 / general-purpose I/O |
| 腳位 50 | PM3 — Port M bit 3 / general-purpose I/O |
| 腳位 51 | PM4 — Port M bit 4 / general-purpose I/O |
| 腳位 52 | PM5 — Port M bit 5 / general-purpose I/O |
| 腳位 53 | PM6 — Port M bit 6 / general-purpose I/O |
| 腳位 54 | PM7 — Port M bit 7 / general-purpose I/O |
| 腳位 55 | PP0 — Port P bit 0 / PWM channel 0 |
| 腳位 56 | PP1 — Port P bit 1 / PWM channel 1 |
| 腳位 57 | PP2 — Port P bit 2 / PWM channel 2 |
| 腳位 58 | PP3 — Port P bit 3 / PWM channel 3 |
| 腳位 59 | PP4 — Port P bit 4 / PWM channel 4 |
| 腳位 60 | PP5 — Port P bit 5 / PWM channel 5 |
| 腳位 61 | PP6 — Port P bit 6 / PWM channel 6 |
| 腳位 62 | PP7 — Port P bit 7 / PWM channel 7 |
| 腳位 63 | PS0 — Port S bit 0 / SCI0 TX |
| 腳位 64 | PS1 — Port S bit 1 / SCI0 RX |
| 腳位 65 | PS2 — Port S bit 2 / SCI1 TX |
| 腳位 66 | PS3 — Port S bit 3 / SCI1 RX |
| 腳位 67 | PS4 — Port S bit 4 / general-purpose I/O |
| 腳位 68 | PS5 — Port S bit 5 / general-purpose I/O |
| 腳位 69 | PS6 — Port S bit 6 / general-purpose I/O |
| 腳位 70 | PS7 — Port S bit 7 / general-purpose I/O |
| 腳位 71 | PT0 — Port T bit 0 / IC/OC timer channel 0 |
| 腳位 72 | PT1 — Port T bit 1 / IC/OC timer channel 1 |
| 腳位 73 | PT2 — Port T bit 2 / IC/OC timer channel 2 |
| 腳位 74 | PT3 — Port T bit 3 / IC/OC timer channel 3 |
| 腳位 75 | PT4 — Port T bit 4 / IC/OC timer channel 4 |
| 腳位 76 | PT5 — Port T bit 5 / IC/OC timer channel 5 |
| 腳位 77 | PT6 — Port T bit 6 / IC/OC timer channel 6 |
| 腳位 78 | PT7 — Port T bit 7 / IC/OC timer channel 7 |
| 腳位 79 | PAD0 — ADC channel 0 (AN0) |
| 腳位 80 | PAD1 — ADC channel 1 (AN1) |
| 腳位 81 | PAD2 — ADC channel 2 (AN2) |
| 腳位 82 | PAD3 — ADC channel 3 (AN3) |
| 腳位 83 | PAD4 — ADC channel 4 (AN4) |
| 腳位 84 | PAD5 — ADC channel 5 (AN5) |
| 腳位 85 | PAD6 — ADC channel 6 (AN6) |
| 腳位 86 | PAD7 — ADC channel 7 (AN7) |
| 腳位 87 | PAD8 — ADC channel 8 (AN8) / AN8 |
| 腳位 88 | PAD9 — ADC channel 9 (AN9) / AN9 |
| 腳位 89 | PAD10 — ADC channel 10 (AN10) |
| 腳位 90 | PAD11 — ADC channel 11 (AN11) |
| 腳位 91 | PAD12 — ADC channel 12 (AN12) |
| 腳位 92 | PAD13 — ADC channel 13 (AN13) |
| 腳位 93 | PAD14 — ADC channel 14 (AN14) |
| 腳位 94 | PAD15 — ADC channel 15 (AN15) |
| 腳位 95 | VRH — ADC high reference voltage |
| 腳位 96 | VRL — ADC low reference voltage |
| 腳位 97 | VDDA — ADC analog supply |
| 腳位 98 | VSSA — ADC analog ground |
| 腳位 99 | NC — Not connected (per datasheet) |
| 腳位 100 | XCLKS — Colpitts/Pierce oscillator mode select |
| 腳位 101 | EXTAL — External clock input / crystal |
| 腳位 102 | XTAL — Crystal oscillator feedback |
| 腳位 103 | TEST — Test mode pin (must be held low in normal operation) |
| 腳位 104 | DBGEE — Debug EEPROM enable |
| 腳位 105 | MODC — Mode C strap pin |
| 腳位 106 | PB0 — Port B bit 0 / general-purpose I/O |
| 腳位 107 | PB1 — Port B bit 1 / general-purpose I/O |
| 腳位 108 | PB2 — Port B bit 2 / general-purpose I/O |
| 腳位 109 | PB3 — Port B bit 3 / general-purpose I/O |
| 腳位 110 | PB4 — Port B bit 4 / general-purpose I/O |
| 腳位 111 | PB5 — Port B bit 5 / general-purpose I/O |
| 腳位 112 | PB6 — Port B bit 6 / general-purpose I/O |
典型應用
MC9S12D64MPVE 適用於 7 應用s: Automotive Body Electronics, Industrial Automation Controllers, HVAC Climate Control, Instrument Cluster Displays, Battery Management Systems, Consumer Appliance Control, Security and Access Control Panels.
Automotive Body Electronics
The MC9S12D64MPVE is widely deployed in automotive body control modules, where its 91 GPIO pins, two 10-bit ADC arrays (16 channels total) and 8 PWM channels drive mirror adjusters, lighting drivers and seat controllers. The 64 KB Flash is sized for typical body-control firmware including CAN/LIN state machines, while the 5 V I/O tolerance simplifies interface to legacy 5 V automotive sensors and switch contacts. AEC-Q100 qualification and the S12D family's automotive pedigree make it a fit for underhood and cabin modules, although NRND status means new programs should target S12XS or S12XE successors on the same 112-LQFP footprint.
推薦
Industrial Automation Controllers
In industrial automation, the MC9S12D64MPVE is used for PLC expansion modules, motor starters and small inverter controls. Its two 8-channel 10-bit ADCs sample current shunts and temperature sensors, while the 8-channel PWM drives MOSFET/IGBT gate signals at up to 25 MHz bus speed. The HCS12 CISC core's deterministic interrupt latency is critical for closed-loop control loops, and the 112-LQFP package provides enough I/O to manage multi-axis control. Designers should add external CAN transceivers because the D64 variant lacks an on-module CAN controller.
推薦
HVAC Climate Control
The MC9S12D64MPVE fits HVAC climate controllers that require multiple analog inputs for NTC temperature sensors, digital outputs for damper and blower drivers, and PWM channels for variable-speed fan control. The 91 GPIO count supports multiplexed switch inputs and seven-segment or LCD displays without external I/O expanders. Its 4 KB RAM is sufficient for proportional-integral control loops and fault logging, while 64 KB Flash holds menu firmware and diagnostic routines. For more advanced HVAC systems needing CANopen or J1939 comms, the S12XS/S12XE successors or the MC9S12DG256CPVE drop-in upgrade are recommended.
推薦
Instrument Cluster Displays
Instrument cluster applications use the MC9S12D64MPVE to drive gauge stepper motors, read vehicle speed sensors and manage warning-indicator LEDs. The 8-channel IC/OC enhanced capture timer precisely measures wheel-speed pulses and crank signals, while the two ADCs monitor fuel level and oil pressure sensors. The HCS12 BDM interface simplifies cluster calibration and end-of-line programming. Although the part is NRND, the S12XS64 and S12XE64 successors share the 112-LQFP footprint and pin compatibility, enabling painless migration for cluster programs.
推薦
Battery Management Systems
The MC9S12D64MPVE can serve as a slave controller in distributed battery management systems, where its two 8-channel ADCs monitor cell voltages and temperatures across 12-16 Li-ion cells. The 64 KB Flash holds cell-balancing algorithms and state-of-charge firmware, while the PWM channels drive balancing FETs. Its 2.5 V/5 V supply flexibility lets it run directly from a regulated cell-stack tap. For higher cell counts or active balancing, designers should consider the MC9S12DP512MPVE with 512 KB Flash and dual CAN modules for daisy-chained BMS topologies.
推薦
Consumer Appliance Control
White-goods and consumer appliances such as washing machines, dishwashers and induction cooktops use the MC9S12D64MPVE for motor control, user-interface scan and safety monitoring. The 8 PWM channels drive triac-fired heater elements or BLDC motor inverters, and the 91 GPIO handle capacitive touch keys, rotary encoders and seven-segment displays. The HCS12 CISC instruction set makes compact assembly code for fast time-critical routines, and the 112-LQFP footprint is well supported by low-cost PCB assemblers. Migration path: S9S12XS64J1MAL or the S12XE family on the same footprint for active lifecycle.
推薦
Security and Access Control Panels
Access control panels and alarm systems use the MC9S12D64MPVE to scan keypads, drive piezo buzzers, and interface to magnetic-door sensors. The 2x SCI channels simplify integration with external GSM or Ethernet modules for remote reporting, while the 8 PWM channels drive the piezo buzzer at variable tones. The HCS12's wide 2.5 V-5 V supply range enables direct operation from 5 V regulated supplies or backup battery stacks, and the 64 KB Flash stores zone-configuration firmware and event logs. Migration to the active S12XS family is straightforward on the same 112-LQFP footprint.
推薦
推薦產品摘要
工程參考資料，適用於 MC9S12D64MPVE — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | MC9S12D64CFUER | MC9S12DG256CPVE | MC9S12E64CPVE | S9S12XS64J1MAL |
|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 112-LQFP (20 x 20 mm) | 112-LQFP - same | 112-LQFP - same | 112-LQFP - same | 112-LQFP - same |
| Core | HCS12 (16-bit CISC) | HCS12 | HCS12 | Enhanced HCS12E | HCS12 + XGATE coprocessor |
| Max CPU Frequency | 25 MHz | 25 MHz | 25 MHz | 25 MHz | 25 MHz |
| Flash Memory | 64 KB | 64 KB (same) | 256 KB | 64 KB | 64 KB |
| RAM Size | 4 KB | 4 KB (same) | 12 KB | 4 KB | 4 KB |
| CAN Module | No | No | Yes | Yes | Yes |
| EEPROM | No | No | 4 KB | Yes | No |
| Lifecycle Status | NRND | NRND | NRND | NRND | Active |
主要差異化特點
- Active S12XS successor with XGATE coprocessor and CAN on same LQFP-112 footprint (對比S9S12XS64J1MAL)
- Drop-in upgrade path with 4x Flash and 3x RAM on same 112-LQFP pinout (對比MC9S12DG256CPVE)
- 512 KB Flash for memory-intensive applications on same LQFP-112 footprint (對比MC9S12DP512CPVER)
設計說明
The MC9S12D64MPVE uses two supply rails: VDDX/VSSX for external I/O at 5 V (or 3.3 V) and VDDR/VSS for the internal voltage regulator that powers the HCS12 core. Place 100 nF ceramic decoupling capacitors within 5 mm of each VDDX, VDDR, VDDA and VSSA pin, and add a 4.7 uF bulk tantalum or ceramic on VDDX to handle transient current during PWM-driven switching events. Tie TEST low through a 1 k resistor to keep the device in normal run mode.
The MC9S12D64MPVE is flagged NRND on NXP's product page as of 2026-10-19, which means it is NOT recommended for new designs. Designers starting new projects should select the S12XE64 or S12XS64 family for active lifecycle support, and migrate existing firmware to the XGATE-enabled derivatives if real-time peripheral performance is required. Do not place new production orders against long lead times without first requesting a Last Time Buy (LTB) quote from NXP.
Route the EXTAL/XTAL traces as short, symmetric differential pairs with a guard ground ring to minimize EMI pickup. Place the load capacitors within 3 mm of the crystal pins and avoid routing high-frequency PWM or SCI traces underneath. The BKGD pin should be brought to a dedicated test pad or header for BDM access without disturbing the PCB layout, and the RESET pin must include an external 4.7 k pull-up to VDDX and a 1 nF capacitor to ground for proper power-on reset behavior.
The HCS12 BDM (Background Debug Mode) interface is single-wire and asynchronous; the BKGD pin requires a 4.7 k pull-up to VDDX and a series resistor of approximately 1 k to the debug pod for clean signal edges at 25 MHz bus speeds. Avoid long BDM traces or stubs, and isolate the BKGD pin from adjacent high-current PWM outputs to prevent debug-session glitches during firmware development.
合規資訊
AEC-Q100 qualified per NXP S12D family documentation; lead-free and RoHS/REACH compliant. NRND status as of 2026-10-19; consult NXP for automotive PPAP renewal.
