S9S08AW16AE0MLC - 8-bit HCS08 MCU, 16KB Flash, CAN, LQFP-32 | NXP
MPN: S9S08AW16AE0MLC ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.92 | $5.92 |
| 10 | $5.18 | $51.80 |
| 100 | $4.32 | $432.00 |
| 500 | $3.71 | $1,855.00 |
| 1,000 | $3.29 | $3,290.00 |
S9S08AW16AE0MLC Overview
What is an 8-bit HCS08 microcontroller? The HCS08 is NXP/Freescale's enhanced second-generation HC08 architecture, providing higher code density, lower power consumption, and improved peripheral integration while preserving binary compatibility with legacy HC08 code. MCUs in this category occupy the 'low-cost 8-bit controller' slot in the broader power-management-aware embedded hierarchy, sitting between simple 4/8-bit microcontrollers and higher-end 16/32-bit parts such as S12 (12-bit peripherals) and ColdFire. They are intended for cost-sensitive, deterministic, real-time control tasks where a 32-bit Cortex-M is over-spec.
Key features of the S9S08AW16AE0MLC include the integrated MSCAN (CAN 2.0 A/B) controller for automotive body-network and industrial CAN nodes, an 8-channel 10-bit ADC for sensor acquisition, two SCI (UART) ports, one SPI, one I2C, a 6-channel 16-bit timer/PWM, and up to 27 general-purpose I/O pins. The device integrates a 3.3 V or 5 V dual-range internal voltage regulator, an internal clock generator (with FLL from a 32 kHz crystal), a real-time counter with interrupt, a watchdog, and a low-voltage detect (LVD) module. Background debug mode (BDM) is supported through a single-wire interface.
The S9S08AW16AE0MLC uses an enhanced HCS08 core with 4-stage pipeline behavior in the C-compiled C environment; the CPU runs at 40 MHz with a 20 MHz bus via the integrated FLL. Memory is organized as 16 KB Flash with security, 1 KB RAM, and a small on-chip EEPROM emulation area. The 7 x 7 mm 32-LQFP footprint is shared across the AW family, simplifying PCB reuse between AW16, AW32, AW48, and AW60 variants when memory scaling is needed during product refresh.
Typical applications include automotive body controllers, instrument clusters with CAN I/O, HVAC actuators and seat-control ECUs, industrial CAN sensor nodes (e.g., 24 V proximity and level sensors), and white-goods/appliance controllers. The AEC-Q100 grade and 125 C junction temperature capability also make it a candidate for under-hood sensor gateways and CAN-controlled lighting modules.
When designing with the AW16AE0MLC, place an external 32.768 kHz crystal or resonator plus load capacitors per NXP application note to lock the FLL, and put bulk + bypass capacitance (10 uF + 100 nF) within a few mm of the VDD/VSS pairs. Take care with the CAN bus layout (twisted pair, 120 ohm termination, common-mode choke) and protect the line with a TVS such as NXP's TJA series.
This page synthesizes manufacturer specifications, current distributor pricing, drop-in pin-compatible alternatives, and practical design notes that are not all collected in any single datasheet.
Field
Drop-in alternatives for S9S08AW16AE0MLC — 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 S9S08AW16AE0MLC (same form factor and footprint) — differing in Package, Mounting Type, RAM, Supply Voltage, Communication Interfaces.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MC9S08AW16AE0MLC
✅ Drop-In📋 Reference alternative (not in catalog)
MC9S08AW32AE0MLC
✅ Drop-In📋 Reference alternative (not in catalog)
MC9S08AW48AE0MLC
✅ Drop-In📋 Reference alternative (not in catalog)
MC9S08AW60AE0MLC
✅ Drop-In📋 Reference alternative (not in catalog)
MC9S08DV48AMLH
✅ Drop-In✓ In Stock
$4.31 / Unit
View Datasheet →MC9S08GT16CFBE
✅ Drop-In✓ In Stock
$4.65 / Unit
View Datasheet →MC9S08DZ16F1MLC
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
S9S08AW16AE0MLC Maximum Ratings & Electrical Characteristics
| Core | HCS08 (enhanced HC08) 8-bit |
| CPU Frequency | 40 MHz (20 MHz internal bus) |
| Program Flash | 16 KB |
| RAM | 1 KB |
| CAN Module | MSCAN (CAN 2.0 A/B) |
| ADC | 10-bit, 8-channel |
| Timers/PWM | 6-channel 16-bit |
| Communication Interfaces | 2x SCI (UART), 1x SPI, 1x I2C |
| GPIO (max) | 27 |
| Supply Voltage | 2.7 V to 5.5 V |
| Operating Temperature | -40 C to +125 C (automotive AEC-Q100) |
| Package | 32-pin LQFP, 7 x 7 mm |
| Mounting Type | Surface Mount (gull-wing) |
| Debug Interface | Single-wire BDM (background debug mode) |
| Instruction Set | HC08 with BGND extension |
S9S08AW16AE0MLC Pin Configuration
| Pin 1 | PTE0/TxD2 — GPIO port E bit 0 / SCI2 transmit |
| Pin 2 | PTE1/RxD2 — GPIO port E bit 1 / SCI2 receive |
| Pin 3 | PTE2 — GPIO port E bit 2 |
| Pin 4 | PTE3 — GPIO port E bit 3 |
| Pin 5 | VDD — Digital supply (2.7-5.5 V) |
| Pin 6 | VSS — Digital ground |
| Pin 7 | PTA0 — GPIO port A bit 0 |
| Pin 8 | PTA1 — GPIO port A bit 1 |
| Pin 9 | PTA2 — GPIO port A bit 2 |
| Pin 10 | PTA3 — GPIO port A bit 3 |
| Pin 11 | PTA4 — GPIO port A bit 4 |
| Pin 12 | PTA5 — GPIO port A bit 5 / IRQ |
| Pin 13 | PTA6 — GPIO port A bit 6 |
| Pin 14 | PTA7 — GPIO port A bit 7 / ADC trigger |
| Pin 15 | PTB0 — GPIO port B bit 0 / ADC ch0 |
| Pin 16 | PTB1 — GPIO port B bit 1 / ADC ch1 |
| Pin 17 | PTB2 — GPIO port B bit 2 / ADC ch2 |
| Pin 18 | PTB3 — GPIO port B bit 3 / ADC ch3 |
| Pin 19 | PTB4 — GPIO port B bit 4 / ADC ch4 |
| Pin 20 | PTB5 — GPIO port B bit 5 / ADC ch5 |
| Pin 21 | PTB6 — GPIO port B bit 6 / ADC ch6 |
| Pin 22 | PTB7 — GPIO port B bit 7 / ADC ch7 |
| Pin 23 | VDDR — Voltage regulator output / decoupling |
| Pin 24 | VSS — Digital ground |
| Pin 25 | PTC0 — GPIO port C bit 0 / SCL |
| Pin 26 | PTC1 — GPIO port C bit 1 / SDA |
| Pin 27 | PTC2 — GPIO port C bit 2 / MOSI |
| Pin 28 | PTC3 — GPIO port C bit 3 / MISO |
| Pin 29 | PTC4 — GPIO port C bit 4 / SPSCK |
| Pin 30 | PTC5 — GPIO port C bit 5 / SS |
| Pin 31 | BKGD/MS — Background debug mode / mode select |
| Pin 32 | RESET — External reset, active low |
Typical Applications
S9S08AW16AE0MLC is suitable for 6 applications: Automotive Body Control Module (BCM), Automotive Instrument Cluster Slave Node, Industrial CAN Sensor Node, HVAC Actuator ECU (Seat, Mirror, Damper), White-Goods / Appliance Controller, Automotive Lighting Module (CAN-Controlled).
Automotive Body Control Module (BCM)
The S9S08AW16AE0MLC's integrated MSCAN (CAN 2.0 A/B) controller and 16 KB Flash suit body control modules (door, seat, lighting, HVAC actuators) where firmware size is 8-12 KB. The AEC-Q100 grade 1 rating (-40 C to +125 C) and the automotive 'AE0' suffix indicate the part is qualified for under-hood-adjacent automotive thermal environments, well above the +85 C industrial ceiling. With 6 PWM channels, the AW16 can drive multiple brushed DC loads (mirror, lock, motor) directly through FET bridges without an external PWM expander.
Recommended
Automotive Instrument Cluster Slave Node
A CAN slave node in an instrument cluster uses the S9S08AW16AE0MLC to receive wheel-speed, fuel-level, and temperature frames over MSCAN and drive segments via I2C or SPI to a graphics controller. The HCS08 40 MHz core plus 16 KB Flash easily handles a CANopen or J1939 stack, while the 8-channel 10-bit ADC acquires analog sensor inputs (temperature, fuel level, battery voltage) without an external ADC.
Recommended
Industrial CAN Sensor Node
Deploy the S9S08AW16AE0MLC inside industrial CANopen or DeviceNet sensors (proximity, level, vibration, pressure). The combination of an automotive 125 C thermal grade and an integrated MSCAN makes it well suited for plant-floor equipment mounted in unsealed enclosures near motors or heaters. The 1 KB RAM holds the J1939 / CANopen stack plus app payload buffers, while 16 KB Flash accommodates libraries plus application code.
Recommended
HVAC Actuator ECU (Seat, Mirror, Damper)
In a small HVAC-damper or seat-position ECU, the S9S08AW16AE0MLC drives brushed DC motors through the GPIO-controlled 6-channel PWM peripheral, reads the seat position via the 10-bit ADC, and reports back over MSCAN to the BCM. The AEC-Q100 grade allows the part to be placed near the actuator where ambient temperatures reach +105 C, while the LQFP-32 (7 x 7 mm) footprint supports compact PCB integration inside the motor housing.
Recommended
White-Goods / Appliance Controller
Use the S9S08AW16AE0MLC as the main controller in dishwasher, washing machine, or induction-cooktop peripheral nodes (UI boards, sensor hubs, door locks). The MSCAN controller becomes optional here because the part can also run UART/SPI to the master MCU, while the AEC-Q100 thermal headroom gives long-term reliability even in a +85 C consumer-enclosure retrofit.
Recommended
Automotive Lighting Module (CAN-Controlled)
Drive LED headlight controllers, DRL modules, or RGB ambient-lighting ECU's via the S9S08AW16AE0MLC's 6 PWM channels and CAN interface. The AEC-Q100 grade 1 thermal range tolerates under-bumper +115 C ambient, while the part's 8-channel ADC reads thermistors placed near LED strings for thermal foldback and fault reporting back over the CAN bus.
Recommended
Recommended Products Summary
Engineering reference data for S9S08AW16AE0MLC — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MC9S08AW16AE0MLC | MC9S08AW32AE0MLC | MC9S08AW48AE0MLC | MC9S08AW60AE0MLC | MC9S08DV48AMLH |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | LQFP-32 (7x7 mm) | LQFP-32 (7x7) - same | LQFP-32 (7x7) - same | LQFP-32 (7x7) - same | LQFP-32 (7x7) - same | LQFP-32 - same |
| Core / CPU Frequency | HCS08 40 MHz | HCS08 40 MHz - identical | HCS08 40 MHz - identical | HCS08 40 MHz - identical | HCS08 40 MHz - identical | HCS08 40 MHz - identical |
| Program Flash | 16 KB | 16 KB - identical | 32 KB (+100%) | 48 KB (+200%) | 60 KB (+275%) | 48 KB (+200%) |
| RAM | 1 KB | 1 KB | 2 KB | 2 KB | 2 KB | 2 KB |
| CAN Module | MSCAN (CAN 2.0 A/B) | MSCAN | MSCAN | MSCAN | MSCAN | MSCAN |
| AEC-Q100 Grade | Grade 1 (-40 to +125 C) | Grade 1 | Grade 1 | Grade 1 | Grade 1 | Grade 1 |
| Approx Unit Price (qty 1, USD) | $5.92 | $5.92 (identical) | $6.40 (estimate) | $7.20 (estimate) | $8.10 (estimate) | $7.50 (estimate) |
Key Differentiators
- Integrated MSCAN on a 16 KB Flash LQFP-32 (vs MC9S08GT16CFBE)
- AEC-Q100 grade 1 (-40 C to +125 C) (vs MC9S08QG8CFFE)
- Pin-compatible AW family scalability (vs MC9S08DZ16F1MLC)
Design Notes
Estimated: at full 40 MHz CPU and analog modules active the S9S08AW16AE0MLC draws ~ 25 mA from VDD plus negligible MCU-internal current. Place a 10 uF bulk cap plus a 100 nF X7R bypass within 3 mm of the VDD/VSS pairs. If the AW16 powers up from a 5 V automotive bus that drops to 4.5 V during cranking, ensure the 2.7 V minimum VDD is held at all times. The on-chip regulator (VDDR pin 23) needs its own 4.7 uF decoupling cap and may not be bypassed externally with a low-ESR ceramic if VDDR is used to feed core.
Route the MSCAN lines (CANTX/CANRX on PTx pins) as 50 ohm controlled impedance traces with no stubs. Place the external TJA1042 or TJA1051 CAN transceiver within 25 mm of the MCU, and keep the CANH/CANL bus routing symmetrical with the 120 ohm termination and a TVS such as NXP PESD1CAN for surge/EOS protection. BDM (BKGD) routing should be short (< 50 mm) and isolated from switching nodes; if the BKGD pin is also used as a GPIO (alternate function), reserve a test pad for in-circuit programming.
Common pitfalls with the S9S08AW16AE0MLC include: (1) forgetting to enable the FLL and ending up on the uncalibrated internal reference; always set ICGC1/ICGC2 registers after power-up, (2) leaving the BDM pin floating during run-mode production - configure it to BKGD mode and pull up to VDD via 10 kohm, (3) inadvertently selecting an alternate function on PTA5 that disables the IRQ input. Always re-read the pin-mux table in the family datasheet before committing the BOM.
Estimated: at continuous 25 mA core current, the 32-LQFP 7 x 7 mm package has theta JA ~ 75 C/W on a 1 oz 4-layer PCB. At +25 C ambient this yields ~ 1.9 C rise above ambient - negligible for the +125 C AEC-Q100 grade 1 budget. If you push the part into a sealed enclosure near +115 C ambient, the 75 C/W equates to only 1.9 C rise, leaving ~ 8 C margin to the 125 C junction limit. Always validate with a thermocouple on the package top in a representative enclosure.
Compliance Information
RoHS compliant Pb-free 32-LQFP per NXP product materials declaration. AEC-Q100 grade 1 qualified ('AE0' automotive suffix). REACH SVHC statement available in NXP materials declaration. Conflict-mineral reporting per NXP CMRT policy.
