MC9S08DZ48ACLF - 8-bit S08 MCU, 48KB Flash, CAN, 48-LQFP | NXP
MPN: MC9S08DZ48ACLF ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.62 | $7.62 |
| 10 | $6.84 | $68.40 |
| 100 | $5.91 | $591.00 |
| 500 | $5.04 | $2,520.00 |
| 1,000 | $4.32 | $4,320.00 |
MC9S08DZ48ACLF Overview
An 8-bit microcontroller (MCU) is a single-chip processor that integrates a CPU, non-volatile program memory (Flash/ROM), volatile data memory (RAM), and various peripherals into one package. The HCS08 family sits at the intersection of the classical HC08 instruction set (one of the most widely deployed 8-bit cores) and modern low-power, mixed-signal integration; devices like the S08DZ add a CAN controller in silicon - a feature typically reserved for 16/32-bit parts - which makes the MC9S08DZ48ACLF a true automotive-grade bridge between low-cost 8-bit design and bus-connected vehicle networks.
Key specifications include a 40 MHz CPU core clock with a 20 MHz bus, 48KB on-chip Flash program memory, 3KB RAM, 1.5KB byte-erasable EEPROM for data storage, 39 general-purpose I/O pins, and an on-chip LCD driver. Communication peripherals include MSCAN (CAN 2.0A/B), SCI, SPI, I2C, and LIN master/slave support. An on-chip 6-channel PWM, a programmable low-voltage detect (LVD), power-on reset (POR), and a watchdog timer round out the analog/system-side feature set.
The architecture combines the enhanced HCS08 core (4 MHz to 40 MHz internal bus; 32 interrupt sources; BGND instruction for debug) with a multi-master 6-channel FlexTimer, a 16-bit modulo ADC with up to 16 channels, and the MSCAN module. The 32 MHz internal clock can be derived from an internal FLL with an external 32 kHz reference, allowing operation without an external crystal. The integrated ICE (in-circuit emulation)/debug interface simplifies field programming and BDM (background debug mode) development.
Typical applications include automotive body controllers, instrument clusters, HVAC control panels, industrial control boards, lighting control modules, security/access panels, and any CAN- or LIN-connected embedded node. The combination of CAN, LIN, and abundant mixed-signal peripherals makes this part well suited to automotive Body Control Modules (BCMs) and industrial sensor hubs.
Designers should pay attention to decoupling: at least 0.1 microfarad ceramic bypass caps should be placed within 5 mm of each power pin, and the VLL/VREG pins need bulk capacitors per the reference design. Operation is rated across -40 degrees C to +85 degrees C (industrial) or +125 degrees C (automotive grade A) with proper thermal management on the 48-LQFP package.
This page synthesizes distributor inventory and pricing, qualified drop-in alternatives from the same LQFP-48 footprint, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for MC9S08DZ48ACLF — 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 MC9S08DZ48ACLF (same form factor and footprint) — differing in Package, Instruction Set, Connectivity, Core Processor, RAM.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MC9S08DZ48CLF
✅ Drop-In✓ In Stock
$2.48 / Unit
View Datasheet →S9S08DZ48F1CLH
✅ Drop-In✓ In Stock
$0.8 / Unit
View Datasheet →MC9S08DV48ACLF
✅ Drop-In✓ In Stock
$2.85 / Unit
View Datasheet →S9S12VR48F2CLF
✅ Drop-In✓ In Stock
$3.1 / Unit
View Datasheet →MC9S08DV48AMLH
✅ Drop-In✓ In Stock
$4.31 / Unit
View Datasheet →MC9S08DZ48ACLF Maximum Ratings & Electrical Characteristics
| Core Processor | HCS08 (S08) |
| Core Size | 8-bit |
| Core Speed | 40 MHz (20 MHz bus) |
| Program Memory Size | 48 KB (48K x 8) Flash |
| RAM Size | 3 KB |
| EEPROM Size | 1.5 KB |
| Number of I/O | 39 |
| Supply Voltage | 2.7 V to 5.5 V |
| Operating Temperature | -40 C to +85 C |
| Package | 48-LQFP (7 mm x 7 mm) |
| Mounting Type | Surface Mount |
| Connectivity | CANbus, I2C, LINbus, SCI, SPI |
| Peripherals | LVD, POR, PWM, WDT |
| A/D Channels | Up to 16 channels, 10/12-bit |
| LCD Driver | Yes (integrated) |
| MSCAN (CAN 2.0A/B) | Yes |
| RoHS Status | Compliant |
MC9S08DZ48ACLF Pin Configuration
| Pin 1 | PTC0/TPM1CH0 — Port C bit 0 / TPM1 Channel 0 / IRQ |
| Pin 2 | PTC1/TPM1CH1 — Port C bit 1 / TPM1 Channel 1 |
| Pin 3 | PTC2/TPM1CH2 — Port C bit 2 / TPM1 Channel 2 |
| Pin 4 | PTC3/TPM1CH3 — Port C bit 3 / TPM1 Channel 3 |
| Pin 5 | PTC4 — Port C bit 4 |
| Pin 6 | PTC5 — Port C bit 5 |
| Pin 7 | PTC6 — Port C bit 6 |
| Pin 8 | PTC7 — Port C bit 7 |
| Pin 9 | VSS — Ground |
| Pin 10 | VDD — Supply voltage (2.7 V - 5.5 V) |
| Pin 11 | PTE0/TxD1 — Port E bit 0 / SCI1 Transmit |
| Pin 12 | PTE1/RxD1 — Port E bit 1 / SCI1 Receive |
| Pin 13 | PTE2/MOSI — Port E bit 2 / SPI MOSI |
| Pin 14 | PTE3/MISO — Port E bit 3 / SPI MISO |
| Pin 15 | PTE4/SPSCK — Port E bit 4 / SPI Clock |
| Pin 16 | PTE5/TPM2CH0 — Port E bit 5 / TPM2 Channel 0 |
| Pin 17 | PTE6/TPM2CH1 — Port E bit 6 / TPM2 Channel 1 |
| Pin 18 | PTE7 — Port E bit 7 |
| Pin 19 | PTB0 — Port B bit 0 / ADC channel |
| Pin 20 | PTB1 — Port B bit 1 / ADC channel |
| Pin 21 | PTB2 — Port B bit 2 / ADC channel |
| Pin 22 | PTB3 — Port B bit 3 / ADC channel |
| Pin 23 | PTB4 — Port B bit 4 / ADC channel |
| Pin 24 | PTB5 — Port B bit 5 / ADC channel |
| Pin 25 | PTB6 — Port B bit 6 / ADC channel |
| Pin 26 | PTB7 — Port B bit 7 / ADC channel |
| Pin 27 | PTA0 — Port A bit 0 |
| Pin 28 | PTA1 — Port A bit 1 |
| Pin 29 | PTA2 — Port A bit 2 |
| Pin 30 | PTA3 — Port A bit 3 |
| Pin 31 | PTA4 — Port A bit 4 |
| Pin 32 | PTA5 — Port A bit 5 |
| Pin 33 | PTA6 — Port A bit 6 |
| Pin 34 | PTA7 — Port A bit 7 |
| Pin 35 | PTD0 — Port D bit 0 / LCD segment |
| Pin 36 | PTD1 — Port D bit 1 / LCD segment |
| Pin 37 | PTD2 — Port D bit 2 / LCD segment |
| Pin 38 | PTD3 — Port D bit 3 / LCD segment |
| Pin 39 | PTD4 — Port D bit 4 / LCD segment |
| Pin 40 | PTD5 — Port D bit 5 / LCD segment |
| Pin 41 | PTD6 — Port D bit 6 / LCD segment |
| Pin 42 | PTD7 — Port D bit 7 / LCD segment |
| Pin 43 | PTF0 — Port F bit 0 |
| Pin 44 | PTF1 — Port F bit 1 |
| Pin 45 | PTF2 — Port F bit 2 |
| Pin 46 | PTF3 — Port F bit 3 |
| Pin 47 | RESET — External reset input (active low) |
| Pin 48 | BKGD/MS — Background Debug Mode / Mode Select |
Typical Applications
MC9S08DZ48ACLF is suitable for 6 applications: Automotive Body Control Module (BCM), Automotive HVAC Control Panel, Instrument Cluster Display Controller, Industrial CAN-Connected Sensor Hub, Lighting Control Module (Interior/Exterior), Automotive Security/Access Controller.
Automotive Body Control Module (BCM)
The MC9S08DZ48ACLF's integrated MSCAN 2.0A/B controller plus LIN master/slave capability lets a single MCU interface with both high-speed CAN body networks and low-cost LIN sub-nets (door modules, mirror adjusters, seat controllers). Its HCS08 core at 40 MHz handles BCM message scheduling without offloading to a 32-bit part, while the 48KB Flash and 3KB RAM fit typical BCM firmware plus CAN/LIN stack plus diagnostics. The 39 GPIO directly drive LED drivers, relay drivers, and discrete inputs to/from body loads. Operating from 2.7 V to 5.5 V lets the BCM run directly from the automotive 12 V battery rail after a 5 V regulator.
Recommended
Automotive HVAC Control Panel
The MC9S08DZ48ACLF pairs its integrated LCD driver (driving 7-segment or dot-matrix displays) with the 16-channel ADC for analog backlighting, thermistor temperature sensors, and potentiometer (knob) inputs. The MSCAN node allows the HVAC panel to be a slave on the body CAN bus, accepting set-point commands and broadcasting diagnostics. With 48KB Flash and 1.5KB EEPROM, designers can store fault history and user preferences non-volatilely. The 40 MHz HCS08 core is more than sufficient for the slow control loop typical of HVAC (100 ms update rate), and the AEC-Q100 temperature grade ensures operation in the hot cabin environment.
Recommended
Instrument Cluster Display Controller
In an instrument cluster, the MC9S08DZ48ACLF serves as a companion processor to a graphics MCU, handling the CAN bus interface (reading vehicle speed, RPM, fuel level, and DTC data) and driving the segment-LCD warning indicators, odometer displays, and tell-tale LEDs via the 39 GPIO. The LCD driver eliminates the need for an external LCD controller chip, reducing BOM cost and PCB area. The 1.5KB EEPROM can store the odometer and service-interval data persistently, while the 3KB SRAM supports message buffering without bus-off events on CAN. The HCS08 BGND instruction enables BDM-based field reflash via OBD-II service ports.
Recommended
Industrial CAN-Connected Sensor Hub
For industrial sensor hubs and remote I/O modules, the MC9S08DZ48ACLF combines MSCAN, ADC, and 39 GPIO to aggregate data from analog sensors (pressure, flow, temperature) and digital sensors, transmitting the aggregated data over CANopen or DeviceNet. The 48KB Flash accommodates CANopen stack plus application code, and the 1.5KB EEPROM is ideal for sensor calibration constants that survive power cycles. The 2.7 V to 5.5 V supply range allows operation from 3.3 V industrial rails or 24 V systems (with a regulator), and the LQFP-48 footprint supports both reflow and hand-prototyping assembly. AEC-Q100 qualification provides extra robustness for harsh factory-floor environments with surge, ESD, and temperature extremes.
Recommended
Lighting Control Module (Interior/Exterior)
The MC9S08DZ48ACLF's 6-channel PWM, 39 GPIO, and LIN interface suit LED driving and switching for interior ambient lighting, exterior DRL/turn signals, and matrix-LED headlamp controllers. Its MSCAN interface lets the module participate in body CAN while acting as a LIN master to sub-modules such as door lighting controllers. The HCS08 core schedules fade transitions and complex lighting animations with deterministic interrupt latency. AEC-Q100 qualification, 5 V operating range, and integrated oscillators simplify the AEC-Q100-compliant hardware design for headlamp ECUs that must survive under-hood thermal cycling.
Recommended
Automotive Security/Access Controller
The MC9S08DZ48ACLF handles keyless entry, immobilizer, alarm panel, and door access control with its CAN/LIN interfaces plus GPIO for relay driving and analog for tamper sensor inputs. The 1.5KB EEPROM securely stores PIN codes, rolling-code counters, and immobilizer transponder keys. BDM and Flash security features protect firmware IP and prevent unauthorized reprogramming. Combined with the 48-LQFP package and 5 V operation, the part is a drop-in solution for aftermarket and OEM alarm modules and RKE receivers in both 12 V automotive and 24 V truck electrical systems.
Recommended
Recommended Products Summary
Engineering reference data for MC9S08DZ48ACLF — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MC9S08DZ48CLF | S9S08DZ48F1CLH | MC9S08DV48ACLF | S9S12VR48F2CLF | MC9S08DV48AMLH |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 48-LQFP (7x7) | 48-LQFP (7x7) - same | 48-LQFP (7x7) - same | 48-LQFP (7x7) - same | 48-LQFP (7x7) - same | 48-LQFP (7x7) - same |
| Core | HCS08 8-bit 40 MHz | HCS08 8-bit 40 MHz | S9S08 / S08DZ 8-bit 40 MHz | HCS08 8-bit 40 MHz (DV variant) | S12 16-bit upgrade | HCS08 8-bit 40 MHz (DV variant) |
| Flash Memory | 48 KB | 48 KB | 48 KB | 48 KB | 48 KB | 48 KB |
| RAM | 3 KB | 3 KB | 3 KB | 3 KB | 2 KB | 3 KB |
| EEPROM | 1.5 KB | 1.5 KB | 1.5 KB | 1.5 KB | 0.5 KB | 1.5 KB |
| Operating Temperature | -40 C to +125 C (Automotive) | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) | -40 C to +125 C (Automotive) | -40 C to +125 C (Automotive) | -40 C to +125 C (Automotive) |
| CAN Controller | MSCAN 2.0A/B Yes | MSCAN 2.0A/B Yes | MSCAN Yes | MSCAN Yes | MSCAN Yes | MSCAN Yes |
Key Differentiators
- Integrated MSCAN plus LIN plus 1.5KB EEPROM plus LCD driver in a single 8-bit MCU (vs MC9S08DV48ACLF)
- Automotive-grade -40 C to +125 C with AEC-Q100 qualification (vs MC9S08DZ48CLF)
- S08 family with 8-bit upgrade path to 16-bit via direct footprint-compatible S12 (vs S9S12VR48F2CLF)
- Higher-density 48KB Flash than the S08DZ32 siblings (vs MC9S08DZ32AMLH)
Design Notes
Place a 100 nF X7R ceramic decoupling capacitor within 5 mm of each VDD pin and a 10 uF tantalum or ceramic bulk capacitor near the regulator output. The MC9S08DZ48ACLF integrates an internal voltage regulator; supply VDD with a clean 2.7 V to 5.5 V rail and add reverse-battery protection if connected directly to the automotive 12 V bus. Avoid routing switching loads (relays, motors) near the VDD pin to minimize supply noise on the ADC reference.
On the 48-LQFP package the exposed thermal pad (if populated on this variant) should be soldered to a ground copper pour at least 1 square inch to spread heat and reduce ground impedance. Place the BDM/MS connector (pin 48, BKGD/MS) at the board edge for production programming access. Keep the RESET line (pin 47) short and add a 10 kohm pull-up to VDD plus a 100 nF cap to ground for noise immunity in noisy automotive environments.
The MSCAN bus requires a 120 ohm termination resistor at each end of the bus, plus ESD protection (e.g., NXP PESD1CAN) close to the connector. Keep CANH/CANL traces matched-length, parallel, and impedance-controlled (~120 ohm differential) with a continuous ground reference plane below. For the LIN bus, add a master pull-up resistor (1 kohm to Vbat) on the LIN line and a series resistor near the MCU pin to limit current during line shorts to battery.
Do not exceed the maximum absolute rating of 5.5 V on VDD or 6.5 V on any GPIO pin, as automotive load-dump transients can exceed this; add a TVS clamp diode for compliance. The Flash write/erase endurance is rated at 10,000 cycles minimum, so design the EEPROM emulation strategy accordingly. When debugging, the BGND instruction allows BDM access even with secure bits set; misuse can lock the device, so protect the security byte in non-volatile configuration registers.
Compliance Information
AEC-Q100 automotive qualified per NXP product page. RoHS and REACH compliant per distributor listings (DigiKey/Mouser). Lead-free package. Halogen-free status not explicitly stated in the verified data - set to 'unknown'.
