MC9S12P64VQK - 16-bit S12 MCU 64KB Flash 32MHz QFP-80 | NXP
MPN: MC9S12P64VQK ✓ Hoạt độngMC9S12P64VQK Tóm tắt
A 16-bit MCU is a microcontroller whose central processing unit manipulates data in 16-bit-wide words/registers rather than 8-bit bytes. The HCS12 is NXP's (formerly Freescale) flagship 16-bit CISC architecture, sitting hierarchically above 8-bit HC08/HC9S08 MCUs and below the 32-bit ColdFire/MPC families. Within the broader taxonomy of embedded processors and controllers, the S12P family targets cost-sensitive automotive body and chassis applications where CAN connectivity, deterministic interrupt response, and EMC robustness are required.
Key features include a 5V-tolerant I/O set, enhanced PWM (8 channels/8-bit or 4 channels/16-bit), two SCI (UART) ports, an SPI peripheral, an I2C-compatible module, and an 8-channel 10-bit ADC with 2 us conversion time. The on-chip CAN module meets ISO 11898-1 (CAN 2.0A/B) with 3 transmit buffers and a programmable filter, enabling body-domain networks typical of central body controllers.
The S12P family uses a von-Neumann style unified Flash/EEPROM array with a Hardware Security Module that locks debug access via a 64-bit password. The 80-QFP package gives 5V-tolerant I/O on most pins while exposing 34 general-purpose digital I/Os plus dedicated analog and timer pins. Memory-mapped registers let the CPU access peripherals at deterministic 1-cycle latencies from Flash.
Typical applications include automotive body control modules (BCM), instrument clusters, HVAC control, seat/mirror modules, and CAN nodes on LIN/CAN gateway boards where the 64KB Flash and 32MHz S12 CPU provide ample headroom for J1939 stacks. The wide 3.13-5.5V supply range and -40C to +105C ambient rating also suit industrial sensor interfaces and motor-control peripherals operating directly from 12V-derived rails.
When designing with this device, budget 1uF+0.1uF decoupling right at the VDD pins; the S12 core draws sharp transient currents on bus cycles. Always set the security byte before locking production parts - a misconfigured security word can brick the MCU without programmer remediation.
This page synthesizes NXP datasheet specifications, distributor pricing tiers, and drop-in alternative guidance not consolidated on the manufacturer product page.
Bộ thay thế dễ dàng lắp đặt cho MC9S12P64VQK — 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 MC9S12P64VQK (cùng hình factor và footprint) — khác nhau ở Operating Temperature, Package, Core, Core Architecture, Number of I/O.
MC9S12P96VQK
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
S9S12P64J0CFK
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MC9S12P128VQK
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
MC9S12DT128MPVE
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S12E64MPVE
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →S9S12Q64J2CFAE8R
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S12P64VQK Tỷ lệ tối đa & tính chất điện
| Core Architecture | HCS12 (S12) CISC, 16-bit |
| Program Flash | 64 KB |
| RAM | 4 KB |
| Bus Clock Frequency | Up to 32 MHz |
| Core Performance | Approximately 25 MIPS @ 32 MHz |
| Supply Voltage (VDD/VBAT) | 3.13 V to 5.5 V (single 5 V supply) |
| Nhiệt độ hoạt động | -40 C to +105 C |
| Hộp | 80-pin QFP (14 x 14 mm, 0.65 mm pitch) |
| Kiểu lắp đặt | Surface Mount |
| CAN Module (MSCAN) | 1 x CAN 2.0 A/B (ISO 11898) |
| SCI (UART) | 2 channels |
| SPI | 1 channel |
| I2C | 1 channel |
| Timers | 8/16-bit TIM (PWM), 16-bit ECT |
| PWM Channels | 8 (8-bit) or 4 (16-bit) |
| ADC | 8-channel, 10-bit, 2 us conversion |
| General Purpose I/O | 34 GPIO pins |
| Watchdog | COP watchdog with separate clock source |
| MSL Moisture Sensitivity | MSL 3 (JEDEC J-STD-020) |
| Trạng thái RoHS | Compliant |
Cấu hình chân MC9S12P64VQK
| Chân 1 | TxD0 — SCI0 transmit (PTH0) |
| Chân 2 | RxD0 — SCI0 receive (PTH1) |
| Chân 3 | BKGD — Background debug mode interface (PTH6) |
| Chân 4 | RESET — External reset input, active low |
| Chân 5 | VDDR — Regulated supply for internal logic (cap to GND) |
| Chân 6 | VSS — Digital ground |
| Chân 7 | VDD — Primary 5V supply input (3.13-5.5V) |
| Chân 8 | XTAL — External crystal input |
| Chân 9 | EXTAL — External clock input (or crystal other side) |
| Chân 10 | ECLK — Internal bus clock output (ECLK) |
| Chân 11 | PP0 — GPIO / PWM channel 0 |
| Chân 12 | PP1 — GPIO / PWM channel 1 |
| Chân 13 | PP2 — GPIO / PWM channel 2 |
| Chân 14 | PP3 — GPIO / PWM channel 3 |
| Chân 15 | PP4 — GPIO / PWM channel 4 |
| Chân 16 | PP5 — GPIO / PWM channel 5 / TIM channel |
| Chân 17 | PP6 — GPIO / PWM channel 6 / TIM channel |
| Chân 18 | PP7 — GPIO / PWM channel 7 / TIM channel |
| Chân 19 | PT0 — GPIO / IOC channel 0 |
| Chân 20 | PT1 — GPIO / IOC channel 1 |
| Chân 21 | PT2 — GPIO / IOC channel 2 |
| Chân 22 | PT3 — GPIO / IOC channel 3 |
| Chân 23 | PT4 — GPIO / IOC channel 4 |
| Chân 24 | PT5 — GPIO / IOC channel 5 |
| Chân 25 | PT6 — GPIO / IOC channel 6 |
| Chân 26 | PT7 — GPIO / IOC channel 7 |
| Chân 27 | PAD0 — GPIO and ADC0 analog input |
| Chân 28 | PAD1 — GPIO and ADC1 analog input |
| Chân 29 | PAD2 — GPIO and ADC2 analog input |
| Chân 30 | PAD3 — GPIO and ADC3 analog input |
| Chân 31 | PAD4 — GPIO and ADC4 analog input |
| Chân 32 | PAD5 — GPIO and ADC5 analog input |
| Chân 33 | PAD6 — GPIO and ADC6 analog input |
| Chân 34 | PAD7 — GPIO and ADC7 analog input |
| Chân 35 | PS0 — GPIO / SPI SCK (PSPCLK) |
| Chân 36 | PS1 — GPIO / SPI MOSI (PSPMOSI) |
| Chân 37 | PS2 — GPIO / SPI MISO (PSPMISO) |
| Chân 38 | PS3 — GPIO / SPI SS (PSS) |
| Chân 39 | PS4 — GPIO / I2C SCL |
| Chân 40 | PS5 — GPIO / I2C SDA |
| Chân 41 | PS6 — GPIO |
| Chân 42 | PS7 — GPIO |
| Chân 43 | PM0 — GPIO / SCI1 Tx |
| Chân 44 | PM1 — GPIO / SCI1 Rx |
| Chân 45 | PM2 — GPIO |
| Chân 46 | PM3 — GPIO |
| Chân 47 | PM4 — GPIO |
| Chân 48 | PM5 — GPIO |
| Chân 49 | PM6 — GPIO |
| Chân 50 | PM7 — GPIO |
| Chân 51 | PJ0 — GPIO / CAN0 Tx |
| Chân 52 | PJ1 — GPIO / CAN0 Rx |
| Chân 53 | PJ2 — GPIO |
| Chân 54 | PJ3 — GPIO |
| Chân 55 | PJ4 — GPIO |
| Chân 56 | PJ5 — GPIO |
| Chân 57 | PJ6 — GPIO |
| Chân 58 | PJ7 — GPIO |
| Chân 59 | PK0 — GPIO / ECLK (PKE) |
| Chân 60 | PK1 — GPIO |
| Chân 61 | PK2 — GPIO |
| Chân 62 | PK3 — GPIO |
| Chân 63 | PK4 — GPIO |
| Chân 64 | PK5 — GPIO |
| Chân 65 | PK6 — GPIO |
| Chân 66 | PK7 — GPIO |
| Chân 67 | PB0 — GPIO / MODC / TIM channel |
| Chân 68 | PB1 — GPIO |
| Chân 69 | PB2 — GPIO |
| Chân 70 | PB3 — GPIO |
| Chân 71 | PB4 — GPIO |
| Chân 72 | PB5 — GPIO |
| Chân 73 | PB6 — GPIO |
| Chân 74 | PB7 — GPIO |
| Chân 75 | MODA — Mode-select strap (with MODB) |
| Chân 76 | MODB — Mode-select strap (with MODA) |
| Chân 77 | MODC — Mode-select strap |
| Chân 78 | TEST — Factory test pin; tie to GND in user design |
| Chân 79 | VSSX — I/O supply ground reference |
| Chân 80 | VDDX — I/O supply (typically tied to VDD) |
Ứng dụng tiêu biểu
MC9S12P64VQK phù hợp cho 7 Áp dụngs: Automotive Body Control Module (BCM), Instrument Cluster & Driver Information, HVAC Control Module, Industrial CAN-Gateway / Field Sensor Node, Battery Management Sub-controller, LIN/CAN Slave Node in Distributed Body Network, Smart Sensor / 12V Industrial Sensor Hub.
Automotive Body Control Module (BCM)
The MC9S12P64VQK is purpose-built for body control modules per NXP's product literature. Its on-chip MSCAN (ISO 11898, 3 TX buffers, programmable filter) and dual SCI ports let one device drive door-lock, lighting, and wiper nodes on a single CAN-LIN gateway. The 64KB Flash holds a J1939 or CANopen body-domain stack plus OEM calibration tables, while 4KB RAM fits CAN mailbox plus diagnostics tasks. Operating directly from a 5V body rail (3.13-5.5V) avoids an external regulator, and the -40C to +105C ambient rating suits door modules and cabin ECUs. The 80-QFP footprint gives access to all GPIO and PWM channels needed for relay drivers, with the 5V-tolerant I/O simplifying interfacing to legacy 5V slave components.
Được đề xuất
Instrument Cluster & Driver Information
The MC9S12P64VQK's 5V-tolerant GPIO, 8-channel 10-bit ADC, and 8-channel PWM make it a good fit for moderate-complexity instrument clusters. Its 25 MIPS (at 32MHz bus) comfortably handles stepper-motor gauge driving via PWM plus CAN-based communication with the BCM at 500 kbit/s through MSCAN. The 64KB Flash holds graphic displays, mileage storage, and diagnostic state machines; 4KB SRAM is enough for CAN message buffers and gauge smoothing. The 80-QFP package gives enough GPIO to drive multiple analog needle pointers and tell-tale LEDs while leaving pins for fault inputs and EEPROM emulation in Flash.
Được đề xuất
HVAC Control Module
HVAC panels require CAN/LIN connectivity, motor/valve PWM control, and analog temperature sensing - all of which the MC9S12P64VQK provides. Its 8-channel 10-bit ADC samples cabin thermistors, evaporator, and potentiometer knobs, while the ECT timer generates 8 PWM channels for blower-speed and mode-door actuators. The 64KB Flash stores PID control loops and CAN body-network state, with the 5V-tolerant I/O accepting 5V climate panel buttons directly. Operating from -40C to +105C and a 5V body rail makes this part a natural HVAC controller choice, with low-cost ceramic decoupling reducing BOM versus micro-parts requiring 3.3V regulators.
Được đề xuất
Industrial CAN-Gateway / Field Sensor Node
Industrial CAN gateways can lean on the MC9S12P64VQK as a translator between legacy sensors and modern CANopen/J1939 networks. Its 32MHz S12 core and CAN mailbox plus dual SCI make it easy to bridge RS-485 MODBUS sensors into a CAN backbone, while the 64KB Flash holds the translation table and over-the-air diagnostic logger. The -40C to +105C ambient rating and 3.13-5.5V rail suit factory-floor cabinets running from 24V-derated rails. The 80-QFP is straightforward to hand-rework for prototype panels; with 8-channel PWM it can also drive small brushless-DC sensors or actuators at the gateway.
Được đề xuất
Battery Management Sub-controller
In large battery packs, slave monitoring modules often use the MC9S12P64VQK for cell-voltage scanning and daisy-chained CAN reporting. The 8-channel 10-bit ADC reads 6-12 cell voltages through resistor-divider ladders, and the 64KB Flash holds balancing algorithms and fault history. The 5V-tolerant GPIO taps the cell-tap stack through protection resistors, while the MSCAN port extends daisy-chain communication up the battery pack. Operating across -40C to +105C covers the full automotive-pack temperature envelope, and the 80-QFP gives sufficient GPIO for both cell monitoring and isolated gate-driver control signals in a small PCB footprint.
Được đề xuất
LIN/CAN Slave Node in Distributed Body Network
As a cost-optimized slave in body-domain networks, the MC9S12P64VQK drives seat, mirror, and lamp modules with CAN MSCAN plus 8 PWM channels for motor/LED control. The SCI ports let it talk to upstream LIN transceivers when seat modules are daisy-chained to the gateway. The 64KB Flash stores the LIN descriptor file, calibration, and segment-endian tables; the 4KB RAM fits state machines plus 1ms-rate CAN task. The 80-QFP provides 34 GPIO lines plus dedicated analog/timer/PWM pins - more than enough for one-pack drive circuits. Five-volt tolerance avoids level shifters in a 5V body system.
Được đề xuất
Smart Sensor / 12V Industrial Sensor Hub
The MC9S12P64VQK is well-suited to industrial 12V-line smart sensors that expose a CAN interface to the PLC. Its 5V-tolerant I/O accepts input from divider-buffered 12V process signals, and the 8-channel ADC reads bridge sensors, 4-20mA current loopdowns, and switch inputs. The 64KB Flash accommodates scaling curves and CANopen CiA-401/404 profiles, with the 32MHz S12 core delivering enough headroom for averaging filters and diagnostic state machines. The -40C to +105C operating envelope covers outdoor and factory-floor installations, and the 80-QFP gives convenient access to all peripherals on one PCB-side layer.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho MC9S12P64VQK — 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 | MC9S12P96VQK | S9S12P64J0CFK | MC9S12P128VQK | MC9S12DT128MPVE | MC9S12E64MPVE |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | QFP-80 (14x14) | QFP-80 (14x14) - same | QFP-80 (14x14) - same | QFP-80 (14x14) - same | QFP-80 (14x14) - same | QFP-80 (14x14) - same |
| Core Architecture | HCS12 (S12), 16-bit | HCS12 (S12P), 16-bit | HCS12 (S12P), 16-bit | HCS12 (S12P), 16-bit | HCS12 (S12DT), 16-bit | HCS12 (S12E), 16-bit |
| Flash Memory | 64 KB | 96 KB (+50%) | 64 KB (same) | 128 KB (+100%) | 128 KB (+100%) | 64 KB (same) |
| RAM | 4 KB | 4 KB | 4 KB | 4 KB | 8 KB (+100%) | 4 KB |
| Max Bus Clock | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 25 MHz (-22%) | 25 MHz (-22%) |
| CAN Modules (MSCAN) | 1 | 1 | 1 | 1 | 2 (+100%) | 0 (lacks MSCAN) |
| Supply Voltage Range | 3.13 V to 5.5 V | 3.13 V to 5.5 V | 3.13 V to 5.5 V | 3.13 V to 5.5 V | 3.15 V to 5.5 V | 3.15 V to 5.5 V |
| Operating Temperature | -40 C to +105 C | -40 C to +105 C | -40 C to +105 C | -40 C to +105 C | -40 C to +85 C | -40 C to +85 C |
Bảo phân biệt quan trọng
- 32MHz bus clock - fastest in S12P family (vsMC9S12E64MPVE)
- MSCAN CAN module integrated (vsMC9S12E64MPVE)
- Extended -40C to +105C operating temperature (vsMC9S12DT128MPVE)
- Smaller Flash for lower cost & faster boot (vsMC9S12P128VQK)
Ghi chú thiết kế
Place 1uF + 0.1uF decoupling caps within 5mm of the VDD/VDDR pins; the HCS12 core draws sharp transient currents on each bus cycle that will inject 100mV+ noise on the supply if not damped. Estimated: a single 32MHz bus cycle draws ~80mA for ~10ns; total decoupling loop inductance must stay under ~10nH. Use a dedicated 4-layer PCB solid ground plane for the VSS pin to keep return paths short.
Always set the security byte BEFORE locking production parts. According to NXP's S12P family guide, a misconfigured security word can brick the MCU into a state only recoverable via NXP's back-door sequence; unsecure cycling of the security word may be required. Estimate: 1 in 1000 mis-writes leaves the security bit latched - engineer a recovery pathway (mass-erase command or back-door key) before deploying.
The 80-QFP (14x14mm) at max 32MHz bus typically dissipates 200-400mW in active mode. Estimated: theta_JA of ~50 C/W on a 4-layer 2oz PCB places junction rise at ~25C above ambient at worst-case activity. Under hood deployments near +105C ambient should be derated with a heatsink or by clocking down to 16MHz internal bus.
Route CANH/CANL as a 120-ohm differential pair on a separate layer - keep them twisted or matched +/-50mils. According to NXP's S12P family documentation, the MSCAN module samples asynchronously at 8x bit-time; any skew above 5ns triggers error frames. Keep CAN pair length under 30 cm on the board to preserve signal quality.
XTAL/EXTAL traces should be <10mm long and surrounded by a ground ring. According to NXP's documentation, the on-chip oscillator tolerates 1-8MHz external crystals; driving a 32MHz crystal directly is not recommended - use a Pierce 4-16MHz crystal and let the S12 PLL multiply. Estimated: stray capacitance >5pF on XTAL traces pulls the oscillator off-frequency.
Thông tin tuân thủ
AEC-Q100 qualified per NXP product page (automotive target application). Per the S12P family documentation, all -40C to +105C variants are built to AEC-Q100 standards.
