MC9S12DJ64MPVE - HCS12 16-Bit 64KB Flash MCU 112-LQFP | NXP
MPN: MC9S12DJ64MPVE ✓ Hoạt độngMC9S12DJ64MPVE Tóm tắt
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, data EEPROM, and a rich set of peripherals into one IC. The HCS12 core is a CISC 16-bit architecture from Motorola/Freescale/NXP targeting automotive and industrial embedded control. Within the broader taxonomy, MCUs sit below microprocessors in capability but above simple logic ICs in complexity; the HCS12 line specifically evolved from the HC11 and is one of the ancestors of today's S12 MagniV analog-integrated derivatives. Its place in the power-and-I/O-dense automotive ECU market explains why MC9S12 parts remain in long production cycles.
Key features of the MC9S12DJ64MPVE include 91 general-purpose I/O lines, an internal oscillator, a watchdog timer, an 8-channel 10-bit ADC, and supply operation from 2.5V core / 5V I/O. The device supports Background Debug Mode (BDM) for in-circuit programming and debugging. Its single 5V supply with on-chip voltage regulator simplifies board design compared to parts requiring separate core and I/O rails.
The architecture uses a 16-bit HCS12 CPU core with enhanced indexed addressing, a hardware multiply/divide, and a 16-bit accumulator/derivative stack optimized for C and assembly code generated by CodeWarrior. The two CAN 2.0 modules support up to 1 Mbps networking, making the part well-suited to multi-node automotive body and chassis networks. The 112-LQFP package exposes most signals to the outside, giving designers full access to the 91 I/O pins plus dedicated analog and timer channels.
Typical applications include automotive body controllers, HVAC control modules, instrument clusters, industrial CAN nodes, and motor control peripherals. The combination of CAN + SCI + SPI + I2C and 64KB of flash allows a single MC9S12DJ64 to host a complete LIN/CAN gateway or stepper-motor driver sub-system.
When designing with this part, pay close attention to the decoupling network: place 100 nF ceramics close to every VDD/VSS pair, and a 4.7 uF bulk cap at the regulator output. Because the device is in long-term mature status with multiple sources, lead times are typically short.
This page synthesizes distributor pricing, drop-in alternatives drawn from the same HCS12 sub-family, and practical design notes that go beyond the information found in the standalone manufacturer datasheet, giving an engineer one consolidated reference.
Bộ thay thế dễ dàng lắp đặt cho MC9S12DJ64MPVE — 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 MC9S12DJ64MPVE (cùng hình factor và footprint) — khác nhau ở PWM Channels, Program Memory Size, RAM Size, ADC, Core Architecture.
MC9S12DJ128MPVE
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S12D64MPVE
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S12A64CPVE
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S12DG128MPVE
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →MC9S12DP512MPVE
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →MC9S12DJ64MPVE Tỷ lệ tối đa & tính chất điện
| Core Processor | HCS12 |
| Core Size | 16-Bit |
| Core Architecture | CISC |
| Speed (CPU Clock) | 25 MHz |
| Program Memory Size | 64 KB (64K x 8) |
| Program Memory Type | FLASH |
| RAM Size | 4 KB |
| EEPROM Size | 1 KB |
| Number of I/O Lines | 91 |
| Hộp | 112-LQFP (20x20 mm) |
| Connectivity | CANbus, I2C, SCI, SPI |
| Peripherals | PWM, WDT |
| Number of CAN Controllers | 2 (CAN 2.0 A/B) |
| Oscillator Type | Internal |
| Điện áp cung cấp hoạt động | 2.5 V core / 5 V I/O |
| Kiểu lắp đặt | Surface Mount |
| Packaging | Tray |
| Temperature Grade | Automotive |
Cấu hình chân MC9S12DJ64MPVE
| Chân 1 | XCLKS — Mode select for oscillator (external clock/lock select) |
| Chân 2 | TEST — Test mode pin (must be held low in normal operation) |
| Chân 3 | VDDR — Regulator power supply (for internal voltage regulator) |
| Chân 4 | VSS — Ground |
| Chân 5 | VDDX — External power supply (5 V I/O supply) |
| Chân 6 | VSSX — Ground (I/O supply return) |
| Chân 7 | PAD0/TXD0 — Port AD bit 0 / SCI0 transmit |
| Chân 8 | PAD1/RXD0 — Port AD bit 1 / SCI0 receive |
| Chân 9 | PAD2/MISO0 — Port AD bit 2 / SPI0 MISO |
| Chân 10 | PAD3/MOSI0 — Port AD bit 3 / SPI0 MOSI |
| Chân 11 | PAD4/SCK0 — Port AD bit 4 / SPI0 clock |
| Chân 12 | PAD5/SS0 — Port AD bit 5 / SPI0 slave select |
| Chân 13 | PAD6 — Port AD bit 6 (GPIO) |
| Chân 14 | PAD7 — Port AD bit 7 (GPIO) |
| Chân 15 | PA0/CAN0TX — Port A bit 0 / CAN0 transmit |
| Chân 16 | PA1/CAN0RX — Port A bit 1 / CAN0 receive |
| Chân 17 | PA2/CAN1TX — Port A bit 2 / CAN1 transmit |
| Chân 18 | PA3/CAN1RX — Port A bit 3 / CAN1 receive |
| Chân 19 | PA4 — Port A bit 4 (GPIO) |
| Chân 20 | PA5 — Port A bit 5 (GPIO) |
| Chân 21 | PA6 — Port A bit 6 (GPIO) |
| Chân 22 | PA7 — Port A bit 7 (GPIO) |
| Chân 23 | PB0/TXD1 — Port B bit 0 / SCI1 transmit |
| Chân 24 | PB1/RXD1 — Port B bit 1 / SCI1 receive |
| Chân 25 | PB2/MISO1 — Port B bit 2 / SPI1 MISO |
| Chân 26 | PB3/MOSI1 — Port B bit 3 / SPI1 MOSI |
| Chân 27 | PB4/SCK1 — Port B bit 4 / SPI1 clock |
| Chân 28 | PB5/SS1 — Port B bit 5 / SPI1 slave select |
| Chân 29 | PB6/SDA — Port B bit 6 / I2C SDA |
| Chân 30 | PB7/SCL — Port B bit 7 / I2C SCL |
| Chân 31 | PE0/XIRQ — Port E bit 0 / non-maskable interrupt |
| Chân 32 | PE1/IRQ — Port E bit 1 / maskable interrupt |
| Chân 33 | PE2 — Port E bit 2 (GPIO) |
| Chân 34 | PE3 — Port E bit 3 (GPIO) |
| Chân 35 | PE4/ECLK — Port E bit 4 / E-clock output |
| Chân 36 | PE5/MODA — Port E bit 5 / mode select A |
| Chân 37 | PE6/MODB — Port E bit 6 / mode select B |
| Chân 38 | PE7/MODC — Port E bit 7 / mode select C |
| Chân 39 | PK0 — Port K bit 0 (GPIO / external bus) |
| Chân 40 | PK1 — Port K bit 1 (GPIO / external bus) |
| Chân 41 | PK2 — Port K bit 2 (GPIO / external bus) |
| Chân 42 | PK3 — Port K bit 3 (GPIO / external bus) |
| Chân 43 | PK4 — Port K bit 4 (GPIO / external bus) |
| Chân 44 | PK5 — Port K bit 5 (GPIO / external bus) |
| Chân 45 | PK6 — Port K bit 6 (GPIO / external bus) |
| Chân 46 | PK7 — Port K bit 7 (GPIO / external bus) |
| Chân 47 | PM0 — Port M bit 0 (GPIO) |
| Chân 48 | PM1 — Port M bit 1 (GPIO) |
| Chân 49 | PM2 — Port M bit 2 (GPIO) |
| Chân 50 | PM3 — Port M bit 3 (GPIO) |
| Chân 51 | PM4 — Port M bit 4 (GPIO) |
| Chân 52 | PM5 — Port M bit 5 (GPIO) |
| Chân 53 | PM6 — Port M bit 6 (GPIO) |
| Chân 54 | PM7 — Port M bit 7 (GPIO) |
| Chân 55 | PP0/PWM0 — Port P bit 0 / PWM channel 0 |
| Chân 56 | PP1/PWM1 — Port P bit 1 / PWM channel 1 |
| Chân 57 | PP2/PWM2 — Port P bit 2 / PWM channel 2 |
| Chân 58 | PP3/PWM3 — Port P bit 3 / PWM channel 3 |
| Chân 59 | PP4/PWM4 — Port P bit 4 / PWM channel 4 |
| Chân 60 | PP5/PWM5 — Port P bit 5 / PWM channel 5 |
| Chân 61 | PP6/PWM6 — Port P bit 6 / PWM channel 6 |
| Chân 62 | PP7/PWM7 — Port P bit 7 / PWM channel 7 |
| Chân 63 | PT0/IOC0 — Port T bit 0 / timer channel 0 |
| Chân 64 | PT1/IOC1 — Port T bit 1 / timer channel 1 |
| Chân 65 | PT2/IOC2 — Port T bit 2 / timer channel 2 |
| Chân 66 | PT3/IOC3 — Port T bit 3 / timer channel 3 |
| Chân 67 | PT4/IOC4 — Port T bit 4 / timer channel 4 |
| Chân 68 | PT5/IOC5 — Port T bit 5 / timer channel 5 |
| Chân 69 | PT6/IOC6 — Port T bit 6 / timer channel 6 |
| Chân 70 | PT7/IOC7 — Port T bit 7 / timer channel 7 |
| Chân 71 | PJ0/ADD0 — Port J bit 0 / external address/data bus |
| Chân 72 | PJ1/ADD1 — Port J bit 1 / external address/data bus |
| Chân 73 | PJ2/ADD2 — Port J bit 2 / external address/data bus |
| Chân 74 | PJ3/ADD3 — Port J bit 3 / external address/data bus |
| Chân 75 | PJ4/ADD4 — Port J bit 4 / external address/data bus |
| Chân 76 | PJ5/ADD5 — Port J bit 5 / external address/data bus |
| Chân 77 | PJ6/ADD6 — Port J bit 6 / external address/data bus |
| Chân 78 | PJ7/ADD7 — Port J bit 7 / external address/data bus |
| Chân 79 | PS0/RXD2 — Port S bit 0 / SCI2 receive |
| Chân 80 | PS1/TXD2 — Port S bit 1 / SCI2 transmit |
| Chân 81 | PS2 — Port S bit 2 (GPIO) |
| Chân 82 | PS3 — Port S bit 3 (GPIO) |
| Chân 83 | PS4 — Port S bit 4 (GPIO) |
| Chân 84 | PS5 — Port S bit 5 (GPIO) |
| Chân 85 | PS6 — Port S bit 6 (GPIO) |
| Chân 86 | PS7 — Port S bit 7 (GPIO) |
| Chân 87 | AN0/PAD0 — Analog input 0 (shared with Port AD0) |
| Chân 88 | AN1/PAD1 — Analog input 1 (shared with Port AD1) |
| Chân 89 | AN2/PAD2 — Analog input 2 (shared with Port AD2) |
| Chân 90 | AN3/PAD3 — Analog input 3 (shared with Port AD3) |
| Chân 91 | AN4/PAD4 — Analog input 4 (shared with Port AD4) |
| Chân 92 | AN5/PAD5 — Analog input 5 (shared with Port AD5) |
| Chân 93 | AN6/PAD6 — Analog input 6 (shared with Port AD6) |
| Chân 94 | AN7/PAD7 — Analog input 7 (shared with Port AD7) |
| Chân 95 | BKGD — Background Debug Mode (BDM) interface |
| Chân 96 | RESET — External reset input (active low) |
| Chân 97 | EXTAL — External clock / crystal input |
| Chân 98 | XTAL — Crystal output |
| Chân 99 | VDDPLL — PLL supply voltage |
| Chân 100 | VSSPLL — PLL ground |
| Chân 101 | VDD — Digital power supply (2.5 V core) |
| Chân 102 | VSS — Ground |
| Chân 103 | PE0/NOACC — Port E bit 0 / external access disable |
| Chân 104 | PE1 — Port E bit 1 (GPIO) |
| Chân 105 | PE2 — Port E bit 2 (GPIO) |
| Chân 106 | PE3 — Port E bit 3 (GPIO) |
| Chân 107 | PE4 — Port E bit 4 (GPIO) |
| Chân 108 | PE5 — Port E bit 5 (GPIO) |
| Chân 109 | PE6 — Port E bit 6 (GPIO) |
| Chân 110 | PE7 — Port E bit 7 (GPIO) |
| Chân 111 | NC — Not connected (per datasheet) |
| Chân 112 | NC — Not connected (per datasheet) |
Ứng dụng tiêu biểu
MC9S12DJ64MPVE phù hợp cho 6 Áp dụngs: Automotive Body Control Module, HVAC Control Module, Instrument Cluster Controller, Industrial CAN Node / PLC Slice, Stepper / DC Motor Sub-System, Battery Management Slave Module.
Automotive Body Control Module
The MC9S12DJ64MPVE is well-matched to body control modules that aggregate lighting, door-lock, mirror, and wiper functions. Its dual CAN 2.0 controllers let the part sit on the body CAN bus at 500 kbps and gateway messages to a sub-network, while 91 GPIO lines drive the discrete loads through high-side drivers. The 64 KB Flash and 4 KB RAM are sufficient for a typical BCM with LIN master and switch-scan firmware. Compared to a Cortex-M0 part, the HCS12's deterministic interrupt latency is preferable for time-critical wiper and lamp fade-in routines.
Được đề xuất
HVAC Control Module
An automotive HVAC module uses the MC9S12DJ64MPVE to read multiple temperature sensors, drive a stepper or DC blower motor, and exchange set-points on CAN. The HCS12's 8-channel 16-bit timer/PWM block generates the PWM signals needed for blower speed control, while the on-chip 10-bit ADC scans thermistor inputs. Two SCI channels give a debug/UART path and a pass-through to a passenger-comfort display. The 25 MHz bus speed comfortably handles 10 ms control loops with CAN message processing in parallel.
Được đề xuất
Instrument Cluster Controller
Instrument clusters built around the MC9S12DJ64MPVE benefit from its 91 GPIO lines to drive stepper gauges and LED backlighting directly. The dual CAN controllers accept vehicle-speed, engine-RPM, and fuel-level messages from the powertrain bus, while an SPI link drives a small TFT or segment LCD. The 64 KB Flash holds gauge graphics, warning-icon logic, and CAN diagnostic services (UDS). HCS12's interrupt structure suits the deterministic refresh rates needed for smooth needle movement.
Được đề xuất
Industrial CAN Node / PLC Slice
Outside the car, the MC9S12DJ64MPVE is a strong fit for industrial CANopen or DeviceNet slave nodes. The dual CAN ports allow a node to be both a master to a sub-bus and a slave on the factory backbone. The 25 MHz CPU handles the CANopen stack plus PLC-style ladder logic in C, and the SCI/SPI provide service-port and sensor I/O. Industrial users value the HCS12's long production lifetime and multi-source availability through Rochester Electronics and NXP franchised stockists.
Được đề xuất
Stepper / DC Motor Sub-System
Small brushed-DC or stepper motor controllers use the MC9S12DJ64MPVE as the main logic element, generating PWM with the 8-channel timer block and reading Hall sensors through the ADC. The MCU's PWM channels (up to 8) provide the four-wire stepper sequencing plus current chopping, while CAN offers the comm channel back to the host ECU. The 112-LQFP gives ample board-level signal routing to bring out the 91 I/O for power-stage interfacing.
Được đề xuất
Battery Management Slave Module
Slave battery-management modules for hybrid or 48 V systems sometimes use the MC9S12DJ64MPVE to read cell voltages, balance cells via PWM, and report pack state over CAN. The two CAN controllers let the slave coexist with both the pack-internal CAN and the vehicle CAN, while the 64 KB Flash holds calibration tables for cell-voltage and temperature look-ups. Hardware watchdog and BDM support make field diagnostics straightforward for automotive service.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho MC9S12DJ64MPVE — 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 | MC9S12DJ128MPVE | MC9S12D64MPVE | MC9S12A64CPVE | MC9S12DG128MPVE | MC9S12DP512MPVE |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors - same | NXP Semiconductors - same | NXP Semiconductors - same | NXP Semiconductors - same | NXP Semiconductors - same |
| Package | 112-LQFP (20x20 mm) | 112-LQFP (20x20 mm) - same | 112-LQFP (20x20 mm) - same | 112-LQFP (20x20 mm) - same | 112-LQFP (20x20 mm) - same | 112-LQFP (20x20 mm) - same |
| Flash Memory | 64 KB | 128 KB (+100%) | 64 KB (same) | 64 KB (same) | 128 KB (+100%) | 512 KB (+700%) |
| RAM Size | 4 KB | 8 KB (+100%) | 4 KB (same) | 4 KB (same) | 8 KB (+100%) | 32 KB (+700%) |
| CPU Clock | 25 MHz | 25 MHz (same) | 25 MHz (same) | 25 MHz (same) | 25 MHz (same) | 25 MHz (same) |
| CAN Controllers | 2 (CAN 2.0 A/B) | 2 (CAN 2.0 A/B) - same | 2 (CAN 2.0 A/B) - same | 1 (CAN 2.0 A/B) | 2 (CAN 2.0 A/B) - same | 5 (CAN 2.0 A/B) |
| GPIO Lines | 91 | 91 (same) | 91 (same) | 91 (same) | 91 (same) | 91 (same) |
| EEPROM | 1 KB | 2 KB (+100%) | 1 KB (same) | 1 KB (same) | 2 KB (+100%) | 4 KB (+300%) |
Bảo phân biệt quan trọng
- Dual CAN 2.0 A/B controllers in the 'DJ' sub-family (vsMC9S12A64CPVE)
- Pin-compatible Flash upgrade path to 128 KB (vsMC9S12DJ128MPVE)
- J-tag diagnostic subset for production-line BDM testing (vsMC9S12D64MPVE)
- Automotive temperature grade and AEC-Q100 qualification (vsGeneric industrial HCS12 variants)
Ghi chú thiết kế
The MC9S12DJ64MPVE has separate VDD/VDDX rails: VDDX supplies the I/O pads at 5 V while the on-chip regulator generates the 2.5 V VDD for the core. Decouple VDDX with a 100 nF ceramic placed within 5 mm of the pin, plus a 4.7 uF bulk capacitor. The VDDR pin that powers the internal regulator also requires its own 1 uF ceramic. Failure to provide clean decoupling on VDDX causes erratic CAN and SCI bit timing.
Place the EXTAL/XTAL crystal or resonator within 5 mm of the pins, with a grounded guard ring around the traces. The PLL filter components on VDDPLL/VSSPLL (typically a 100 ohm resistor and 100 nF capacitor network) must be kept short. Route the BDM BKGD and RESET signals as straight traces to a 2x5 0.1 inch header, with a 4.7 kohm pull-up on BKGD to VDDX.
Do not leave MODA/MODB/MODC floating; they select the boot mode and must be pulled to defined logic levels via 10 kohm resistors. If TEST is left floating the device can enter test mode in noisy environments - tie it to VSS. The CAN TX pins drive a recessive high; a missing CAN transceiver will leave the bus un-terminated and cause CAN error frames. Always include a 120 ohm termination at each end of the CAN bus.
When the HCS12's external bus (Port J/K) is enabled, place 33 ohm series resistors near the MCU pins to dampen ringing when driving external peripherals. For SPI runs above 50 mm, lower the bus speed to 1 MHz or use a buffer. The CAN bus should be routed as a differential pair with 120 ohm characteristic impedance and a ground plane below.
Thông tin tuân thủ
RoHS and REACH compliance per NXP product page. AEC-Q100 automotive qualification is consistent with the automotive temperature grade marked in the part number. Halogen-free status not explicitly listed in the verified web data; confirm with NXP directly for halogen-free declarations.