NXP Semiconductors

MC9S12D64CFUER - 16-bit HCS12 MCU, 64KB Flash | NXP

부품 번호: MC9S12D64CFUER ✓ 활성
재고 있음 영업일 기준 1~3일 내 발송
2.5 V / 5 V Vdss 80-QFP (14x14 mm) Package 25 MHz Speed 64 KB (64K x 8) Flash Memory
시작가 $10.4 USD / 개
MOQ: 1 |
가격 업데이트: 2026-10-19
볼륨 가격
수량 단가 합계
1 $18.5 $18.50
10 $16.2 $162.00
100 $13.85 $1,385.00
500 $11.95 $5,975.00
1,000 $10.4 $10,400.00
ℹ️ 모든 가격은 USD 기준입니다

MC9S12D64CFUER 개요

The NXP MC9S12D64CFUER is a 16-bit HCS12 microcontroller featuring 64KB of on-chip Flash, 4KB of RAM, and a 25 MHz CPU core, housed in an 80-pin QFP (14x14 mm) package. It is part of the S12D family and is targeted at automotive and industrial embedded applications requiring deterministic real-time control with on-chip CAN, SCI, and SPI peripherals.

An HCS12 microcontroller is a 16-bit CISC core designed for automotive and industrial real-time control, belonging to the broader category of microcontrollers (MCU) -> embedded processors -> semiconductors. The HCS12 family evolved from the HC11 architecture and adds enhanced instructions, a wider bus, and integrated peripherals such as CAN, making it suitable for body controllers, instrument clusters, and sensor interfaces.

Key features of the MC9S12D64CFUER include 64KB (64K x 8) of Flash program memory, 4KB of RAM, 59 general-purpose I/O pins, an internal oscillator, and 2.5V/5V operating voltage. The device integrates peripheral blocks including CAN 2.0, SCI, SPI, timers, an 8-channel 10-bit ADC, and a PWM module. The wide supply range and industrial temperature grade support deployment in harsh environments.

Technically, the MC9S12D64CFUER uses a 16-bit HCS12 CPU core with background debug module (BDM) for non-intrusive debug, an integrated voltage regulator for single 5V supply operation, and the System Integration Module (SIM) that consolidates clock generation, reset, and interrupt control. The external bus can be configured for 8-bit narrow mode to interface with cost-optimized external memories.

Typical applications include automotive body electronics, instrument clusters, HVAC controls, industrial control modules, sensor interface boards, and small appliance controllers. The on-chip CAN controller and robust peripheral set make it especially attractive for in-vehicle networking nodes.

Designers should note that the suffix 'CFUE' denotes the 80-QFP package and 'R' indicates Tape & Reel packaging. An external 4 MHz-16 MHz crystal is typically required for the PLL-based bus clock generator, and decoupling should follow standard MCU practice with 100 nF + 10 uF near each supply pin.

This page consolidates distributor pricing, parametric data, drop-in same-package alternatives, and practical design notes that complement the manufacturer datasheet.

드롭인 대체품: MC9S12D64CFUER — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.

이 시리즈의 변형

다음과 드롭인 호환되는 동일 시리즈 모델: MC9S12D64CFUER (동일 폼 팩터 및 풋프린트) — 차이점: Package, Operating Temperature, ADC, Supply Voltage, RAM.

NXP Semiconductors
Package: 80-LQFP (14x14 mm), VFUE suffix
Operating Temperature: -40C to +85C (Industrial, V suffix)
ADC: 8-channel, 10-bit
비교 대상: MC9S12D64CFUER →
NXP Semiconductors
Package: 80-QFP (14x14 mm)
Operating Temperature: -40C to +85C
ADC: 8-channel, 10-bit
비교 대상: MC9S12D64CFUER →
NXP Semiconductors
Package: 80-QFP (14 x 14 mm)
ADC: 8-channel, 10-bit
Supply Voltage: 2.5 V / 5 V
비교 대상: MC9S12D64CFUER →
NXP Semiconductors
Package: 80-QFP (14 x 14 mm), also called PQFP-80
ADC: 2 x 10-bit, 8 channels each (16 ADC channels total)
Supply Voltage: 2.5 V / 5 V
비교 대상: MC9S12D64CFUER →
NXP Semiconductors
ADC: Two 8-channel, 10-bit
비교 대상: MC9S12D64CFUER →
NXP Semiconductors
Package: 80-LQFP (14x14 mm)
Operating Temperature: -40C to +125C (automotive)
Supply Voltage: 2.35 V to 2.75 V (5V-tolerant I/O)
비교 대상: MC9S12D64CFUER →
NXP Semiconductors
Package: 80-pin plastic LQFP/PQFP, 14 x 14 mm
Operating Temperature: -40 °C to 105 °C
ADC: Two 8-channel 10-bit ADCs
비교 대상: MC9S12D64CFUER →
NXP Semiconductors
Package: 112-LQFP (20x20 mm)
Operating Temperature: -40C to +125C
RAM: 8KB (8K x 8)
비교 대상: MC9S12D64CFUER →
NXP Semiconductors
Supply Voltage: 2.5 V / 3.3 V / 5 V
비교 대상: MC9S12D64CFUER →

빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:

MC9S12D64CFUE

✅ 드롭인
NXP Semiconductors
📦 80-QFP (14x14)
HCS12 (16-bit CISC) · 25 MHz · 64 KB (64K x 8) · 4 KB · 1 KB · 59 · 8-channel, 10-bit · 2.5 V / 5 V

✓ 재고 있음

$16.2 / 개

데이터시트 보기 →

MC9S12D64MFUE

✅ 드롭인
NXP Semiconductors
📦 80-QFP (14x14)
HCS12 (16-bit CISC) · S12 CPU V2 · 25 MHz · Flash · 64 KB (64K x 8) · 80-QFP (14 x 14 mm), also called PQFP-80 · Surface Mount (SMD/SMT) · 2.5 V / 5 V

✓ 재고 있음

$8.35 / 개

데이터시트 보기 →

S9S12D64F0CFUER

✅ 드롭인
📦 80-QFP (14x14)
newer Mask Set F0 revision with minor errata fixes; same die/package, pin-to-pin compatible

📋 참조 대체품 (카탈로그에 없음)

MC9S12DJ128MFUE

✅ 드롭인
NXP Semiconductors
📦 80-QFP (14x14)
HCS12 (16-bit CISC) · 50 MHz · 128 KB (128K x 8) · 8 KB · 2 KB · 16 bit · 2.35 V to 2.75 V (5V-tolerant I/O) · 59

✓ 재고 있음

$10.75 / 개

데이터시트 보기 →

MC9S12E64CFUER

✅ 드롭인
NXP Semiconductors
📦 80-QFP (14x14)
HCS12 · 16-Bit · 25 MHz · 64 KB (64K x 8) · FLASH · 4 KB (4K x 8) · Not available on this part · 60

✓ 재고 있음

$7.4 / 개

데이터시트 보기 →

MC9S12DT128MPVE

✅ 드롭인
NXP Semiconductors
📦 80-QFP (14x14)
HCS12 · 16-bit · 25 MHz · 128KB (128K x 8) · 8KB (8K x 8) · 2KB (2K x 8) · 2.35 V to 5.25 V · 91

✓ 재고 있음

$36.5 / 개

데이터시트 보기 →

MC9S12D64CFUER 최대 정격 & 전기적 특성

Manufacturer NXP Semiconductors
Series HCS12 / S12D
Core Processor HCS12 (16-bit CISC)
Core Size 16-Bit
Speed 25 MHz
Program Memory Size 64 KB (64K x 8) Flash
RAM Size 4 KB
Number of I/O 59
Connectivity CAN, SCI, SPI
Peripherals PWM, 8-ch 10-bit ADC, Timers, BDM
Oscillator Type Internal
Operating Voltage 2.5 V / 5 V
패키지 / 케이스 80-QFP (14x14 mm)
실장 유형 Surface Mount
Packaging Tape & Reel (TR)
Temperature Grade Industrial
RoHS 상태 Compliant

MC9S12D64CFUER 핀 구성

Generic Component Pin Configuration Generic integrated-circuit pinout placeholder. Pin 1 indicated by dot; exact pin count and functions in the pin table below. 1 N 2 N-1 3 N-2 4 N-3 Pin Configuration See pin table below for pin functions Package-specific diagram not available
핀 1 BKGD — Background Debug Mode pin
핀 2 VDDR — Voltage regulator power input
핀 3 VDD — Digital supply (2.5V core)
핀 4 VSS — Ground
핀 5 RESET — Reset input, active low
핀 6 XTAL — Crystal oscillator input
핀 7 EXTAL — External clock/crystal input
핀 8 PE0 — Port E bit 0 / XIRQ
핀 9 PE1 — Port E bit 1 / IRQ
핀 10 PE2 — Port E bit 2
핀 11 PE3 — Port E bit 3
핀 12 PE4 — Port E bit 4
핀 13 PE5 — Port E bit 5
핀 14 PE7 — Port E bit 7 / ECLK
핀 15 VSSX — I/O ground reference
핀 16 VDDX — I/O supply (5V)
핀 17 PA0 — Port A bit 0 / AN0
핀 18 PA1 — Port A bit 1 / AN1
핀 19 PA2 — Port A bit 2 / AN2
핀 20 PA3 — Port A bit 3 / AN3
핀 21 PA4 — Port A bit 4 / AN4
핀 22 PA5 — Port A bit 5 / AN5
핀 23 PA6 — Port A bit 6 / AN6
핀 24 PA7 — Port A bit 7 / AN7
핀 25 VRL — ADC reference low
핀 26 VRH — ADC reference high
핀 27 PB0 — Port B bit 0
핀 28 PB1 — Port B bit 1
핀 29 PB2 — Port B bit 2
핀 30 PB3 — Port B bit 3
핀 31 PB4 — Port B bit 4
핀 32 PB5 — Port B bit 5
핀 33 PB6 — Port B bit 6
핀 34 PB7 — Port B bit 7
핀 35 PC0 — Port C bit 0 / DATA0
핀 36 PC1 — Port C bit 1 / DATA1
핀 37 PC2 — Port C bit 2 / DATA2
핀 38 PC3 — Port C bit 3 / DATA3
핀 39 PC4 — Port C bit 4 / DATA4
핀 40 PC5 — Port C bit 5 / DATA5
핀 41 PC6 — Port C bit 6 / DATA6
핀 42 PC7 — Port C bit 7 / DATA7
핀 43 PD0 — Port D bit 0 / SS
핀 44 PD1 — Port D bit 1 / SCK
핀 45 PD2 — Port D bit 2 / MOSI
핀 46 PD3 — Port D bit 3 / MISO
핀 47 PD4 — Port D bit 4 / TXCAN
핀 48 PD5 — Port D bit 5 / RXCAN
핀 49 PD6 — Port D bit 6
핀 50 PD7 — Port D bit 7
핀 51 PWM0 — PWM channel 0 output
핀 52 PWM1 — PWM channel 1 output
핀 53 PWM2 — PWM channel 2 output
핀 54 PWM3 — PWM channel 3 output
핀 55 PWM4 — PWM channel 4 output
핀 56 PWM5 — PWM channel 5 output
핀 57 PWM6 — PWM channel 6 output
핀 58 PWM7 — PWM channel 7 output
핀 59 PP0 — Port P bit 0 / KWP0
핀 60 PP1 — Port P bit 1 / KWP1
핀 61 PP2 — Port P bit 2 / KWP2
핀 62 PP3 — Port P bit 3 / KWP3
핀 63 PP4 — Port P bit 4 / KWP4
핀 64 PP5 — Port P bit 5 / KWP5
핀 65 PP6 — Port P bit 6 / KWP6
핀 66 PP7 — Port P bit 7 / KWP7
핀 67 PJ0 — Port J bit 0
핀 68 PJ1 — Port J bit 1
핀 69 PJ6 — Port J bit 6
핀 70 PJ7 — Port J bit 7
핀 71 PK0 — Port K bit 0 / XADDR0
핀 72 PK1 — Port K bit 1 / XADDR1
핀 73 PK2 — Port K bit 2 / XADDR2
핀 74 PK3 — Port K bit 3 / XADDR3
핀 75 PK4 — Port K bit 4 / XADDR4
핀 76 PK5 — Port K bit 5 / XADDR5
핀 77 PK6 — Port K bit 6 / XADDR6
핀 78 PK7 — Port K bit 7 / XADDR7
핀 79 TEST — Test mode pin (tie low in application)
핀 80 MODC — Mode select (tie low for normal single-chip mode)

일반적인 애플리케이션

MC9S12D64CFUER 적합 용도: 6 애플리케이션s: Automotive Body Control Modules, Instrument Cluster Displays, HVAC Control Modules, Industrial Sensor Interface Boards, CAN-Based Appliance Controllers, Small Engine ECUs (non-automotive).

🚗

Automotive Body Control Modules

The MC9S12D64CFUER fits automotive body controllers because it integrates a CAN 2.0 controller, SCI/SPI peripherals, and a 16-bit HCS12 core running at 25 MHz within an 80-QFP package. Its 59 I/O pins and 8-channel 10-bit ADC enable direct interface to body switches, lamps, and door/wiper actuators without external glue logic. The on-chip 5V-to-2.5V converter simplifies the power tree to a single 12V->5V regulator. Compared with newer Cortex-M parts, the HCS12's deterministic interrupt latency are often preferred for body networks, and the -40 C to +85 C industrial grade is well-matched to cabin environments.

📺

Instrument Cluster Displays

Instrument clusters benefit from the MC9S12D64CFUER's 16-bit PWM channels for gauge drive, the on-chip 8-channel 10-bit ADC for fuel/temperature sensing, and the SCI/SPI interfaces for cluster-display communication. With 64 KB Flash it can host vector graphics libraries and diagnostic UDS stacks via CAN, while 4 KB RAM supports real-time gauge math. The 80-QFP 14x14 mm package allows through-hole-style reflow soldering on instrument-cluster PCAs where mechanical retention matters. Compared with low-end 8-bit MCUs, the HCS12's deterministic CAN and PWM make gauge servicing straightforward. Choose this part for cluster designs that must stay on the long-lived NXP HCS12 supply line.

🏭

HVAC Control Modules

HVAC modules need a mix of analog acquisition, PWM for blower/fan control, and CAN to talk to the body network - exactly the MC9S12D64CFUER's feature mix. The 8-channel 10-bit ADC handles mixed NTC temperature and humidity sensors, and the 16-bit timers deliver accurate PWM for blower motors and stepper drive. With 64 KB Flash and 4 KB RAM, designers can host PID loops and CAN UDS diagnostics without external memory. The 80-QFP industrial-grade package tolerates the elevated under-dash ambient temperatures. For larger HVAC modules with rear-seat climate, upgrade to the 128 KB Flash MC9S12DT128MPVE on the same footprint.

🏭

Industrial Sensor Interface Boards

Industrial sensor nodes benefit from the MC9S12D64CFUER's CAN connectivity, 10-bit ADC, and HCS12 deterministic interrupt latency. The 25 MHz core supports 1 ms CAN cycle tasks while leaving headroom for SPI-driven sensors. The 80-QFP industrial-temperature grade (-40 C to +85 C) suits factory-floor cabinets. With 64 KB Flash, designers can integrate Modbus/CANopen stacks alongside custom logic. The wide 5 V supply tolerance and internal regulator make the part robust against industrial rail transients. For nodes requiring more code, upgrade to MC9S12DJ128MFUE on the same footprint.

⚡

CAN-Based Appliance Controllers

White goods and HVAC appliances increasingly adopt CAN for internal networking - the MC9S12D64CFUER provides the MSCAN controller and SCI/SPI peripherals needed for these nodes. Its 16-bit PWM and timers drive motor inverters and valve actuators, while the 10-bit ADC reads thermistors and pressure sensors. With 64 KB Flash and 4 KB RAM, the part hosts safety stacks and CANopen device profiles without external memory. The 80-QFP package is well-suited to white-goods appliance main boards where through-hole-style retention aids serviceability. For higher-feature appliances, choose the 128 KB Flash MC9S12DT128MPVE on the same footprint.

✈️

Small Engine ECUs (non-automotive)

The MC9S12D64CFUER suits small two-/four-stroke engine ECUs for motorcycles, generators, and outdoor power equipment, where its 16-bit HCS12 core runs precise fuel/spark timing algorithms. The 8-channel 10-bit ADC reads throttle position, MAP, and O2 sensors; the 16-bit timers drive ignition coils and injector stages. CAN connectivity enables OBD-II compliance on generator and outdoor-power SKUs. The 64 KB Flash accommodates calibration data plus application code. The 80-QFP industrial grade tolerates under-bonnet and outdoor temperatures when paired with proper housing. Choose MC9S12D64MFUE on the same footprint if engine RPMs demand 50 MHz core speed.

추천 제품 요약

MC9S12DT128MPVE NXP Semiconductors 사용처: Automotive Body Control Modules, HVAC Control Modules, CAN-Based Appliance Controllers TJA1050 NXP Semiconductors 사용처: Automotive Body Control Modules MC9S12DJ128MFUE NXP Semiconductors 사용처: Instrument Cluster Displays, Industrial Sensor Interface Boards MCP2515 External CAN controller for redundant cluster-bus interface (rare on HCS12 but possible) 사용처: Instrument Cluster Displays TJA1042 NXP Semiconductors 사용처: HVAC Control Modules MAX31855 Thermocouple-to-SPI converter that interfaces with the MCU's SPI peripheral 사용처: Industrial Sensor Interface Boards TJA1057 Low-power CAN transceiver suitable for always-on appliance nodes 사용처: CAN-Based Appliance Controllers MC9S12D64MFUE NXP Semiconductors 사용처: Small Engine ECUs (non-automotive) TLE7259-3 LIN transceiver for body-network connection on small-vehicle ECUs 사용처: Small Engine ECUs (non-automotive)
What is the program memory size of MC9S12D64CFUER?
The MC9S12D64CFUER integrates 64KB (64K x 8) of Flash program memory on-chip. According to the NXP S12D family datasheet, this Flash is organized as 64K x 8 with in-application reprogramming support via the BDM or normal background modes, removing the need for external program memory in most embedded designs.
What core architecture does the MC9S12D64CFUER use?
The MC9S12D64CFUER uses the 16-bit HCS12 CISC core, an evolution of the HC11 architecture with a wider data path and enhanced instruction set. The HCS12 runs at up to 25 MHz internal bus frequency, integrates a background debug module (BDM), and is designed for deterministic automotive and industrial real-time control.
What package does MC9S12D64CFUER ship in?
The MC9S12D64CFUER ships in an 80-pin QFP (Quad Flat Package) measuring 14x14 mm with a 0.65 mm pitch. The 'CFUE' suffix decodes to this 80-QFP package style, and the trailing 'R' indicates Tape & Reel packaging for high-volume surface-mount assembly.
How much RAM does MC9S12D64CFUER have?
The MC9S12D64CFUER provides 4KB (4K x 8) of on-chip SRAM for data storage and stack. Per the NXP datasheet, the SRAM is mapped into the standard HCS12 address space and can be backed up by the on-chip voltage regulator during standby modes.
Does the MC9S12D64CFUER include a CAN controller?
Yes, the MC9S12D64CFUER integrates a CAN 2.0A/B compliant MSCAN controller on-chip, alongside SCI (UART) and SPI peripherals. This makes the part well-suited to automotive body and chassis networks where a single MCU node terminates CAN, SCI, and SPI sensor traffic on a common PCB.
What is the difference between MC9S12D64CFUE and MC9S12D64CFUER?
The only difference between MC9S12D64CFUE and MC9S12D64CFUER is the shipping carrier: CFUE is supplied in Tray, while CFUER is supplied in Tape & Reel (TR) for automated SMD assembly. The die, package (80-QFP 14x14 mm), and full electrical specifications are identical, so they are drop-in interchangeable at the PCB level.
What is a drop-in replacement for the MC9S12D64CFUER in the same package?
The closest drop-in same-package replacements are MC9S12D64MFUE (50 MHz core, same 80-QFP), S9S12D64F0CFUER (Mask Set revision, same footprint), and MC9S12DG128MPVE (128 KB Flash, same family but different package). For same 80-QFP and same 64KB Flash, S9S12D64F0CFUER and MC9S12D64MFUE are recommended drop-in candidates.
Where can I download the MC9S12D64CFUER datasheet PDF?
The MC9S12D64CFUER datasheet is available from NXP's product page at https://www.nxp.com/docs/en/data-sheet/MC9S12D64.pdf, and also mirrored on distributor sites such as Mouser and DigiKey. The document is also referenced as the 'MC9S12D64 Device User Guide V01.17' on legacy Motorola/Freescale documentation.
What is the operating voltage of MC9S12D64CFUER?
The MC9S12D64CFUER operates from a 5 V nominal supply, with the internal voltage regulator producing 2.5 V for the core. Per the NXP datasheet, the part is designed for single 5 V rail operation; an external regulator is generally not required.
How many I/O pins does MC9S12D64CFUER provide?
The MC9S12D64CFUER provides 59 general-purpose I/O pins multiplexed with peripheral functions (CAN, SCI, SPI, PWM, ADC, timers). This I/O count is one of the largest in the S12D family for the 80-QFP package, supporting multi-bus sensor nodes.
Is MC9S12D64CFUER still in production?
Yes, the MC9S12D64CFUER is currently listed as active on NXP's product page and remains in production at NXP Semiconductors. Distributors such as DigiKey and Mouser list it as 'in stock' as of 2026-10-19, though long-term supply is constrained by the mature 16-bit HCS12 line.
What temperature grade is MC9S12D64CFUER rated for?
The MC9S12D64CFUER is rated for industrial temperature operation, supporting the standard -40 C to +85 C ambient range. According to NXP partstack data, the temperature grade field is marked 'INDUSTRIAL'; an automotive-grade version may be selected under a different ordering suffix.
What is the price of MC9S12D64CFUER?
As of 2026-10-19, the MC9S12D64CFUER unit price is approximately $18.50 at qty 1, dropping to roughly $10.40 at qty 1000 on major distributors such as Mouser and DigiKey. Pricing on the secondary market has firmed due to constrained HCS12 supply, so quotes for higher volumes should be requested directly.
Where to buy MC9S12D64CFUER online?
The MC9S12D64CFUER can be ordered online from authorized distributors including DigiKey (digikey.com), Mouser (mouser.com), and authorized resellers stocking NXP legacy HCS12 inventory. As of 2026-10-19, DigiKey lists the part as 'ships today' for the QFP-80 variant.
What is the lead time for MC9S12D64CFUER orders?
Lead time for MC9S12D64CFUER is typically immediate at low quantities from major distributors, but production orders above 1000 units may require 8-12 weeks from authorized sources. The HCS12 line is mature and constrained, so design teams should secure multi-year forecasts with NXP authorized channels rather than depending on spot market supply.

엔지니어링 참조 데이터: MC9S12D64CFUER — 비교, 설계 지침 및 규정 준수 정보.

선택 가이드

Choose the MC9S12D64CFUER for 16-bit CAN-connected embedded nodes where 64 KB Flash and 25 MHz core headroom are sufficient and where the design must remain on the long-lived NXP HCS12 supply line. The 80-QFP 14x14 mm package and integrated MSCAN controller make it ideal for automotive body controllers, HVAC modules, instrument clusters, and industrial sensor interfaces. If your firmware exceeds 64 KB, step up to the pin-compatible MC9S12DJ128MFUE or MC9S12DT128MPVE (128 KB Flash, same 80-QFP) rather than redesigning the PCB. If you do not need CAN, the MC9S12E64CFUE is a more cost-effective alternative on the same footprint. For designs that exhaust 65 MHz, the MC9S12D64MFUE on the same 80-QFP gives 50 MHz. The newer S9S12D64F0CFUER is recommended for new designs that want the latest mask set revision in identical packaging.

대체품과의 비교

파라미터 이 제품 MC9S12D64CFUE MC9S12D64MFUE S9S12D64F0CFUER MC9S12DJ128MFUE MC9S12E64CFUE MC9S12DT128MPVE
Package 80-QFP (14x14 mm) 80-QFP (14x14 mm) - same 80-QFP (14x14 mm) - same 80-QFP (14x14 mm) - same 80-QFP (14x14 mm) - same 80-QFP (14x14 mm) - same 80-QFP (14x14 mm) - same
Brand NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors
Core / Max Frequency HCS12 / 25 MHz HCS12 / 25 MHz HCS12 / 50 MHz HCS12 / 25 MHz HCS12 / 25 MHz HCS12 / 25 MHz HCS12 / 25 MHz
Flash Memory 64 KB 64 KB 64 KB 64 KB 128 KB 64 KB 128 KB
RAM 4 KB 4 KB 4 KB 4 KB 8 KB 4 KB 8 KB
Number of I/O 59 59 59 59 59 59 59
CAN Controller Yes (MSCAN) Yes (MSCAN) Yes (MSCAN) Yes (MSCAN) Yes (MSCAN) No Yes (MSCAN)
ADC 8-ch 10-bit 8-ch 10-bit 8-ch 10-bit 8-ch 10-bit 8-ch 10-bit 8-ch 10-bit 8-ch 10-bit
Operating Voltage 5 V (2.5 V core) 5 V 5 V 5 V 5 V 5 V 5 V
Packaging Form Tape & Reel (TR) Tray Tray Tape & Reel Tray Tray Tray

주요 차별점

  • Same 80-QFP footprint as all other S12D variants, enabling PCB reuse across product SKUs (vs MC9S12E64CFUE)
  • Cost-optimized 25 MHz core when 50 MHz flash is not required (vs MC9S12D64MFUE)
  • Industrial temperature grade for under-dash and outdoor cabinets (vs MC9S12DJ128MFUE)

설계 노트

The MC9S12D64CFUER integrates a 5V-to-2.5V regulator; per the NXP datasheet, VDDR (pin 2) is the regulator input and VDD (pin 3) is the internal 2.5V output. Place a 100 nF ceramic + 10 uF tantalum on VDDR close to the pin, and a 100 nF on VDD. The regulator can source approximately 100 mA; avoid using it to power external loads beyond the MCU core.

The MC9S12D64CFUER's PLL requires an external 4-16 MHz crystal on XTAL/EXTAL with appropriate load capacitors (typically 10-33 pF depending on crystal CL). Per the HCS12 reference manual, the SYNR/REFDV registers configure the PLL to derive the 25 MHz bus clock; failure to configure these registers on reset leaves the MCU at the 1 MHz PLL-bypass rate. Always validate with an oscilloscope on ECLK.

The BKGD (pin 1) and MODC (pin 80) pins must be pulled low for normal single-chip operation. Leaving MODC floating or tied high forces expanded mode and disables internal Flash access, which appears as a 'bricked' part on first power-up. The TEST pin (pin 79) must also be tied to VSS per the datasheet.

Place the external CAN transceiver (TJA1050 or TJA1057) within 25 mm of the MC9S12D64CFUER's TXCAN/RXCAN pins and route the bus signals as a 100 ohm differential pair. Add a 100 nF + 10 uF bulk decoupling at the transceiver's VCC, and split the analog VRH/VRL reference pins with a 100 nF to ground. Avoid routing PWM signals beneath the crystal to prevent coupling into the PLL.

규정 준수 정보

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Qualified
무연
Yes
무할로겐
Unknown
분쟁 광물
Compliant

RoHS and lead-free confirmed by NXP product page. AEC-Q100 automotive qualification not explicitly indicated - confirm with NXP for AEC-Q100 deployments; temperature grade marked INDUSTRIAL.

데이터 검증일: 2026-10-19 — XAIPART 부품 엔지니어링 팀이 검증하고 관리한 데이터

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