MC9S08DV48ACLC - 8-bit S08 MCU 48KB Flash 40MHz CAN | NXP
MPN: MC9S08DV48ACLC ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.92 | $8.92 |
| 10 | $7.95 | $79.50 |
| 100 | $6.78 | $678.00 |
| 500 | $5.62 | $2,810.00 |
| 1,000 | $4.85 | $4,850.00 |
MC9S08DV48ACLC Overview
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash/RAM), and peripherals on one die. The S08 family from NXP uses the HC08 instruction set enhanced with the BGND instruction, and the DV sub-family specifically targets automotive and industrial applications by adding an embedded CAN controller, embedded EEPROM, and on-chip emulation/debug. This places it in the broader taxonomy: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. The HCS08 core executes instructions in 1-3 bus cycles, yielding roughly twice the throughput of the legacy HC08 at the same bus frequency.
Key features include a 16-channel, 12-bit ADC with 2.5 us conversion time, 25 I/O pins, multiple timers (TPM, RTI, PIT), SCI/UART and SPI/I2C serial interfaces, and a built-in CAN 2.0 A/B controller. The part supports both 3.3V and 5V operation, has a wide operating temperature range suitable for industrial and automotive environments, and provides up to 32 interrupt/reset sources for responsive system behavior.
The MC9S08DV48ACLC uses a CISC (Complex Instruction Set Computing) architecture with variable-length instructions, allowing compact code density that maximizes the use of the 48KB Flash. Its Background Debug Mode (BGND) and on-chip debug logic enable non-intrusive in-circuit programming and debugging through a single-wire BDM interface, eliminating the need for an external emulator.
Typical applications include automotive body controllers, HVAC modules, industrial sensor interfaces, building automation, CAN nodes for distributed control, and low-cost motor control. The integrated CAN peripheral is the key differentiator versus non-CAN S08 parts, making this MCU well-suited for any 8-bit networked application.
When designing with this part, ensure the BDM pins are routed to a header for debug access during development. The internal voltage regulator allows single-supply operation but requires a decoupling capacitor on the VREG pin per the datasheet typical application circuit.
This page synthesizes distributor stock levels, drop-in compatible S08D alternatives, application guidance, and design notes beyond the manufacturer datasheet to support both new designs and field replacements.
Drop-in alternatives for MC9S08DV48ACLC — 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 MC9S08DV48ACLC (same form factor and footprint) — differing in Program Memory Size, RAM Size, Connectivity, Core Processor, ADC Channels.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MC9S08DV48AMLC
✅ Drop-In✓ In Stock
$4.73 / Unit
View Datasheet →MC9S08DV48ACLF
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.85 / Unit
View Datasheet →MC9S08DV128CLF
✅ Drop-In✓ In Stock
$0.8 / Unit
View Datasheet →MC9S08DV60AMLH
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.85 / Unit
View Datasheet →MC9S08DZ48ACLC
✅ Drop-In📋 Reference alternative (not in catalog)
S9S08DZ60F2MLC
✅ Drop-In📋 Reference alternative (not in catalog)
MC9S08DV48ACLC Maximum Ratings & Electrical Characteristics
| Core | S08 (HCS08) 8-bit CISC |
| CPU | 40 MHz HCS08 core, 20 MHz bus |
| Instruction Set | HC08 with added BGND instruction |
| Program Memory (Flash) | 48 KB (48K x 8) |
| RAM | 2 KB (2K x 8) |
| I/O Pins | 25 |
| ADC | 16-channel, 12-bit, 2.5 us conversion |
| CAN | 1 x CAN 2.0 A/B |
| Serial Interfaces | SCI (UART), SPI, I2C |
| Timers | TPM, RTI, PIT |
| Supply Voltage | 3.3 V / 5 V |
| Operating Temperature | -40 C to +85 C (industrial) |
| Package | 32-LQFP (7 x 7 mm) |
| Mounting Type | Surface Mount |
| Packaging | Tray |
| Interrupt Sources | Up to 32 |
| Debug Interface | Background Debug Mode (BDM), single-wire |
MC9S08DV48ACLC Pin Configuration
| Pin 1 | PTC0 — Port C bit 0 / TPM channel 0 |
| Pin 2 | PTC1 — Port C bit 1 / TPM channel 1 |
| Pin 3 | PTC2 — Port C bit 2 / TPM channel 2 |
| Pin 4 | PTC3 — Port C bit 3 / TPM 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 | VDD — Power supply (2.7-5.5 V) |
| Pin 9 | VSS — Ground |
| Pin 10 | VREFH — ADC high reference voltage |
| Pin 11 | VREFL — ADC low reference voltage |
| Pin 12 | PTB0 — Port B bit 0 / ADC channel 0 |
| Pin 13 | PTB1 — Port B bit 1 / ADC channel 1 |
| Pin 14 | PTB2 — Port B bit 2 / ADC channel 2 |
| Pin 15 | PTB3 — Port B bit 3 / ADC channel 3 |
| Pin 16 | PTB4 — Port B bit 4 / ADC channel 4 |
| Pin 17 | PTB5 — Port B bit 5 / ADC channel 5 |
| Pin 18 | PTB6 — Port B bit 6 / ADC channel 6 |
| Pin 19 | PTB7 — Port B bit 7 / ADC channel 7 |
| Pin 20 | PTA0 — Port A bit 0 |
| Pin 21 | PTA1 — Port A bit 1 |
| Pin 22 | PTA2 — Port A bit 2 / CAN Tx |
| Pin 23 | PTA3 — Port A bit 3 / CAN Rx |
| Pin 24 | PTA4 — Port A bit 4 / SCI Tx |
| Pin 25 | PTA5 — Port A bit 5 / SCI Rx |
| Pin 26 | PTA6 — Port A bit 6 / SPI MOSI |
| Pin 27 | PTA7 — Port A bit 7 / SPI MISO |
| Pin 28 | BKGD — Background Debug Mode |
| Pin 29 | RESET — External reset input, active low |
| Pin 30 | XTAL — External crystal / clock input |
| Pin 31 | EXTAL — External crystal / clock input |
| Pin 32 | VREG — Internal regulator output (decouple with cap) |
Typical Applications
MC9S08DV48ACLC is suitable for 7 applications: Automotive CAN Body Controller, Industrial Sensor Node with CAN, HVAC Climate Control Module, Low-Cost BLDC Motor Controller, Building Automation Lighting Node, Medical Device Control Board, IoT Edge Sensor with CAN Backbone.
Automotive CAN Body Controller
The MC9S08DV48ACLC is purpose-built for automotive body and chassis CAN nodes. Its integrated CAN 2.0 A/B controller handles 1 Mbit/s bus traffic without CPU intervention, while the 48 KB Flash accommodates CAN stack, diagnostics (UDS), and body-control application code. The 40 MHz CPU executes a typical CAN message handler in microseconds, leaving headroom for door/window/lamp logic.
Recommended
Industrial Sensor Node with CAN
Distributed industrial sensor modules use the MC9S08DV48ACLC to read field sensors and publish measurements over CANopen or DeviceNet. The 16-channel 12-bit ADC with 2.5 us conversion scans multiple analog inputs per millisecond, and the SCI/SPI/I2C peripherals allow connection to digital sensors. The wide 2.7-5.5 V supply tolerates 24 V industrial rails when paired with a switching pre-regulator.
Recommended
HVAC Climate Control Module
Automotive HVAC controllers use the MC9S08DV48ACLC to drive stepper or DC motors for blend doors, fans, and valves while monitoring temperature sensors. The 25 I/O pins handle multiple motor drivers and analog thermistor inputs, the 12-bit ADC resolves temperature to within 0.1 C, and the CAN bus communicates setpoints to the central body controller. The -40 to +85 C range survives cabin and underhood environments.
Recommended
Low-Cost BLDC Motor Controller
Small brushless DC motor controllers in appliances and pumps use the MC9S08DV48ACLC to generate six-step commutation via the TPM module, sense back-EMF through the ADC, and communicate fault status over CAN. The 40 MHz CPU and 2 KB RAM are sufficient for sensorless trapezoidal commutation at moderate speeds. The internal voltage regulator simplifies single-rail 12 V designs when paired with a pre-regulator.
Recommended
Building Automation Lighting Node
DALI, KNX, and CAN-based lighting controllers use the MC9S08DV48ACLC to manage dimming, scene recall, and group addressing. The S08 core runs a small DALI slave stack in 48 KB Flash, the SCI handles DALI bus signaling, and the CAN interface connects to the building backbone. The 8-bit MCU keeps node BOM cost low while providing deterministic real-time response for safety-critical lighting.
Recommended
Medical Device Control Board
Low-risk medical devices such as infusion pumps and patient monitors use the MC9S08DV48ACLC for sensor acquisition, actuator control, and host communication. The 12-bit ADC reads multiple physiological signals, the CAN bus links modules within the device, and the BDM interface simplifies factory calibration. The wide temperature range and long-term NXP support make it suitable for regulated, long-life medical products.
Recommended
IoT Edge Sensor with CAN Backbone
Edge sensor modules that aggregate data onto a CAN backbone benefit from the MC9S08DV48ACLC's low power, integrated CAN, and flexible I/O. The SCI/SPI/I2C peripherals connect to radios or local sensors, the 12-bit ADC digitizes analog inputs, and the CAN interface publishes structured messages to a gateway. Code-space-conscious designs fit comfortably in 48 KB Flash.
Recommended
Recommended Products Summary
Engineering reference data for MC9S08DV48ACLC — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MC9S08DV48AMLC | MC9S08DV128CLF | MC9S08DZ48ACLC | S9S08DZ60F2MLC |
|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 32-LQFP (7x7) | 32-LQFP (7x7) - same | 32-LQFP (7x7) - same | 32-LQFP (7x7) - same | 32-LQFP (7x7) - same |
| Core | S08 8-bit 40 MHz | S08 8-bit 40 MHz - same | S08 8-bit 40 MHz - same | S08 8-bit 40 MHz - same | S08 8-bit 40 MHz - same |
| Flash Memory | 48 KB | 48 KB - same | 128 KB (larger) | 48 KB - same | 60 KB |
| RAM | 2 KB | 2 KB - same | 2 KB - same | 3 KB | 4 KB |
| CAN Controller | 1 x CAN 2.0 A/B | 1 x CAN 2.0 A/B - same | 1 x CAN 2.0 A/B - same | No CAN | No CAN |
| Operating Temperature | -40 C to +85 C | -40 C to +125 C (automotive) | -40 C to +85 C - same | -40 C to +85 C - same | -40 C to +85 C - same |
| Lifecycle Status | NRND | Active | NRND | Active | Active |
Key Differentiators
- Integrated CAN 2.0 A/B controller in 32-LQFP (vs MC9S08DZ48ACLC)
- Automotive-grade temperature variant available on same footprint (vs MC9S08DV48AMLC)
- Single-wire Background Debug Mode (BDM) (vs Generic JTAG Cortex-M0 MCUs)
Design Notes
Place a 100 nF decoupling capacitor as close as possible to each VDD/VSS pair, plus a bulk 4.7 uF capacitor on the main VDD rail. The internal voltage regulator requires a 100 nF decoupling cap on the VREG pin to ensure stable core logic supply. Estimated: at 40 MHz CPU, 5 V supply, and full peripheral activity the core draws approximately 25-30 mA, well within the regulator capability.
Route the BKGD and RESET lines with short traces to a debug header for programming access. Place the external crystal (or resonator) within 5 mm of the XTAL/EXTAL pins with a ground plane guard ring. Keep the CAN bus traces (PTA2/PTA3) away from switching signals and consider a 120-ohm termination resistor near the transceiver. Maintain a contiguous ground plane under the LQFP package to reduce EMI.
Do not leave the BKGD pin floating during normal operation - it must be pulled high through a 10 kohm resistor or driven by the BDM tool. The CAN TX/RX pins (PTA2/PTA3) require configuration of the CAN control registers before use; simply toggling the GPIO does not transmit CAN frames. Always configure the SOPT register to disable the RESET pin function if you need PTA5 as a general-purpose I/O.
The 12-bit ADC achieves its 2.5 us conversion spec only with the recommended input impedance below 10 kohm. Add an op-amp buffer or use RC filtering carefully when sampling high-impedance sensors. Estimated: a 1 kohm source impedance combined with the ADC sample capacitor yields a settling error below 0.5 LSB; higher impedances cause gain and linearity errors.
Compliance Information
RoHS and lead-free confirmed per NXP product page. The ACLC grade is industrial temperature (-40 to +85 C); for AEC-Q100 automotive grade use the AMLC variant.