ATMEGA16M1-15MZ - 16KB Flash CAN/LIN AVR MCU 16MHz | Microchip
MPN: ATMEGA16M1-15MZ ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.85 | $3.85 |
| 10 | $3.47 | $34.70 |
| 100 | $3.12 | $312.00 |
| 500 | $2.85 | $1,425.00 |
| 1,000 | $2.58 | $2,580.00 |
ATMEGA16M1-15MZ Overview
An 8-bit AVR microcontroller is a Harvard-architecture RISC processor in the broader microcontroller (MCU) hierarchy of embedded processors, combining program memory, data memory, peripherals, and a CPU core on a single die. The AVR family executes most of its 131 instructions in a single clock cycle, delivering roughly 16 MIPS at 16 MHz, which places it among the efficient 8-bit MCUs for real-time embedded control.
Key differentiating features of the ATMEGA16M1 include its on-chip CAN 2.0A/B controller with six message objects, its LIN 2.1-compliant controller, and the Power Stage Controller, which generates three complementary PWM outputs with dead-time insertion and fault protection. The 8-channel 10-bit ADC and internal oscillator reduce external component count, while the JTAG interface enables on-chip debugging and boundary-scan programming.
Architecturally, the device uses the advanced AVR RISC core with 32 general-purpose registers directly connected to the ALU, allowing two independent registers to be accessed in one instruction. Self-programming Flash supports in-system and boot-code updates, and the automotive-grade qualification (AEC-Q100 family designation) supports -40C to +125C operation for the 15-speed automotive grade.
Typical applications include automotive body and HVAC control nodes, LIN/CAN gateway sub-nodes, BLDC and stepper motor control via the PSC, and industrial sensor modules where the 10-bit ADC and CAN bus are used together.
A key design consideration is supply voltage: the device operates from 2.7 V to 5.5 V, but Flash write operations and maximum clock speed should be verified against the datasheet voltage-versus-frequency derating curves before fixing the system clock.
This page synthesizes distributor pricing and stock signals, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for ATMEGA16M1-15MZ — 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 ATMEGA16M1-15MZ (same form factor and footprint) — differing in Instruction Set, Core Architecture, ADC, CAN Controller, Debug Interface.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
ATMEGA16M1-15MD
✅ Drop-In✓ In Stock
$3.2 / Unit
View Datasheet →ATMEGA16M1-15AZ
✅ Drop-In✓ In Stock
$2.52 / Unit
View Datasheet →ATMEGA32M1-15MZ
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$3.98 / Unit
View Datasheet →ATMEGA32C1-15MZ
✅ Drop-In✓ In Stock
$3.42 / Unit
View Datasheet →ATMEGA168-15MZ
✅ Drop-In✓ In Stock
$1.31 / Unit
View Datasheet →ATMEGA16M1-15MZ Maximum Ratings & Electrical Characteristics
| Core Architecture | 8-bit AVR RISC |
| Flash Program Memory | 16 KB (self-programming) |
| SRAM | 1 KB (1K x 8) |
| EEPROM | 512 B |
| Maximum Clock Speed | 16 MHz |
| Supply Voltage Range | 2.7 V to 5.5 V |
| CAN Controller | Yes, with six message objects |
| LIN Controller | Yes |
| Power Stage Controller (PSC) | Yes, 3-phase PWM |
| ADC | 8-channel, 10-bit |
| Debug Interface | JTAG (on-chip debug) |
| Oscillator Type | Internal |
| Package | 32-VQFN Exposed Pad (7x7 mm) |
| Mounting Type | Surface Mount |
| Packaging | Tape & Reel |
| Series Qualification | Automotive, AEC-Q100, AVR ATmega |
| Instructions | 131 powerful instructions, most single-cycle |
ATMEGA16M1-15MZ 32-vqfn exposed pad (7x7 mm) Pin Configuration Guide
Pin configuration for ATMEGA16M1-15MZ (32-vqfn exposed pad (7x7 mm) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for ATMEGA16M1-15MZ.
Refer to the datasheet for full pin configuration.
Typical Applications
ATMEGA16M1-15MZ is suitable for 6 applications: Automotive CAN Body Control Nodes, BLDC Motor Control with Power Stage Controller, LIN Sub-Nodes and HVAC Actuators, Industrial Sensor Modules with CAN, Gateway and Protocol-Bridge Boards, Security and Surveillance Actuator Control.
Automotive CAN Body Control Nodes
The ATMEGA16M1-15MZ fits automotive body-control modules because its on-chip CAN 2.0A/B controller with six message objects handles standard in-vehicle networking without an external CAN transceiver controller, while the AEC-Q100-qualified -15Z grade guarantees -40C to +125C operation. Firmware for lamp diagnostics, wiper sequencing, and door functions fits comfortably in the 16 KB self-programming Flash with 1 KB SRAM for state machines. Placed on the CAN bus through an external transceiver, the six hardware message objects offload the CPU from mailbox management, and the JTAG interface supports in-system firmware updates on the production line - a quantified benefit of reduced external components and lower module cost per node.
Recommended
BLDC Motor Control with Power Stage Controller
For brushless DC fan, pump, and actuator control, the ATMEGA16M1-15MZ integrates the Power Stage Controller, which generates three complementary PWM outputs with hardware dead-time insertion and overcurrent fault shutdown - features that normally require a dedicated motor-control ASIC. The 16 MHz AVR core executes commutation and speed-loop software at 16 MIPS, while the 8-channel 10-bit ADC reads current shunts and position sensors in a single conversion pass. The PSC operates independently of the CPU once configured, so PWM jitter remains low even during CAN communication interrupts. Designers should size the external MOSFET half-bridge stages to the fault-protection thresholds defined in the datasheet for safe shutdown behavior.
Recommended
LIN Sub-Nodes and HVAC Actuators
The integrated LIN 2.1-capable controller makes the ATMEGA16M1-15MZ a natural fit for HVAC flap actuators, seat-adjustment motors, and lighting sub-nodes on LIN buses slaved to a central body controller. The LIN controller handles synchronization, baud-rate detection, and checksums in hardware, reducing software overhead so the 16 KB Flash is preserved for application logic driving PSC PWM outputs and reading the 10-bit ADC feedback of position potentiometers. Operating from a 2.7 V to 5.5 V supply tolerant of automotive load-dump post-regulation conditions, the device combines network interface and actuator control in a single 32-VQFN die, cutting BOM count versus discrete LIN transceiver plus generic MCU solutions.
Recommended
Industrial Sensor Modules with CAN
Industrial nodes that digitize analog sensors and report over CAN benefit from the ATMEGA16M1-15MZ's 8-channel 10-bit ADC paired with the on-chip CAN controller. Up to eight sensor channels - pressure bridges, potentiometers, or NTC thermistors - are multiplexed into the ADC while the CAN mailbox hardware transmits scaled values with six message objects available for different PGNs or broadcast frames. The internal oscillator can clock general sensing tasks, while a crystal is recommended when precise CAN bit timing at 500 kbps is required. The 512 B EEPROM stores calibration coefficients through power cycles, and self-programming Flash enables field firmware updates delivered over the CAN network itself, avoiding physical reprogramming access in installed equipment.
Recommended
Gateway and Protocol-Bridge Boards
Because the ATMEGA16M1-15MZ carries both a CAN controller and a LIN controller on one die, it serves as a compact low-cost gateway or protocol bridge between a vehicle CAN backbone and LIN sub-buses. The six CAN message objects and hardware LIN handling let the 16 MHz core implement routing and translation tables in the 1 KB SRAM without mailbox overflow, while self-programming Flash permits routing-table updates stored in EEPROM-backed configuration. In industrial equivalents, the same dual-bus architecture bridges CANopen-style segments to LIN-attached smart actuators. The 32-VQFN 7x7 mm footprint keeps gateway PCB area small, which matters in distributed-control architectures where many small bridges replace one expensive central gateway module.
Recommended
Security and Surveillance Actuator Control
Camera-positioning motors, lens iris drives, and lock actuators in surveillance equipment require coordinated PWM drive and network reporting - a combination the ATMEGA16M1-15MZ delivers with the Power Stage Controller generating 3-phase or complementary PWM while the CAN or LIN interface reports status to the system host. The 10-bit ADC closes position loops from feedback potentiometers, and hardware fault inputs to the PSC stop outputs within a PWM cycle on overcurrent events, protecting gear trains. The internal oscillator allows cost-optimized boards, and the -40C to +125C automotive grade gives margin for outdoor enclosures where ambient temperatures swing widely between day and night operation.
Recommended
Recommended Products Summary
Engineering reference data for ATMEGA16M1-15MZ — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ATMEGA16M1-15MD | ATMEGA32M1-15MZ | ATMEGA32C1-15MZ | ATMEGA168-15MZ |
|---|---|---|---|---|---|
| Package | 32-VQFN Exposed Pad (7x7 mm) | 32-VQFN Exposed Pad - same | 32-VQFN Exposed Pad - same | 32-VQFN Exposed Pad - same | 32-VQFN (MLF) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 16 KB | 16 KB | 32 KB | 32 KB | 16 KB |
| Maximum Clock Speed | 16 MHz | 16 MHz | 16 MHz | 16 MHz | 16 MHz class |
| CAN Controller | Yes (6 message objects) | Yes (6 message objects) | Yes (6 message objects) | Yes | No |
| LIN Controller | Yes | Yes | Yes | Yes | No |
| Power Stage Controller | Yes (3-phase PWM) | Yes | Yes | Partial (C1 peripheral set differs) | No |
| ADC | 8-channel, 10-bit | 8-channel, 10-bit | 8-channel, 10-bit | 10-channel class, 10-bit | 8-channel, 10-bit |
Key Differentiators
- Integrated CAN controller with six hardware message objects (vs ATMEGA168-15MZ)
- Power Stage Controller for 3-phase motor drive (vs ATMEGA32C1-15MZ)
- Memory upgrade path on the identical footprint (vs ATMEGA32M1-15MZ)
- Identical die in tray packing for low-volume assembly (vs ATMEGA16M1-15MD)
Design Notes
Verify the voltage-versus-frequency derating curves before fixing the system clock. The part is specified for 2.7 V to 5.5 V operation and up to 16 MHz, but running the full 16 MHz at the low end of the supply range may violate datasheet safe-operating margins. Also remember that the Z suffix denotes tape-and-reel packing for automated assembly; ordering MD (tray) parts for a pick-and-place line or vice versa causes production-handling issues even though the silicon is identical.
The 32-VQFN exposed-pad package uses the center pad as the primary ground and thermal path. Connect the exposed pad to a solid ground pour with an array of thermal vias (typically 3x3 or 4x4 at 0.3 mm drill) to achieve the datasheet thermal resistance; leaving the pad unconnected degrades both grounding integrity for the CAN transceiver reference and heat dissipation under full PSC motor-drive loads. Keep the CAN transceiver (e.g., MCP2551 or ATA6661) within 15 mm of the MCU CAN pins with a series resistor at the controller-side TX line per Microchip's typical application schematics.
Provide local decoupling of at least 100 nF ceramic on each VCC/AVCC pin pair plus a bulk 10 uF capacitor near the supply entry. When the Power Stage Controller drives external MOSFET gates, gate-charge current pulses inject noise into the 5 V rail; separate the motor-supply ground domain from the MCU analog ground and join them at a single star point near the exposed pad to protect the 10-bit ADC's effective-number-of-bits performance. Estimated: gate-drive pulse currents from even a 1 uC gate charge at 16 kHz PWM create visible supply ripple if decoupling is placed farther than 5 mm from the pins.
For reliable CAN communication at 500 kbps, add an external crystal rather than relying on the internal RC oscillator; CAN bit-timing budget in the datasheet assumes a tight clock tolerance that internal RC cannot guarantee across temperature. Route the CANH/CANL pair as a twisted, impedance-controlled differential pair (approximately 120 ohm characteristic impedance) and terminate both bus ends with 120 ohm resistors. On LIN, include the standard 1 kOhm series resistor at the transceiver LIN pin and a clamping diode for load-dump robustness.
Compliance Information
Series designated Automotive, AEC-Q100, AVR ATmega per distributor data (atmel-micro.com, ic-components.com). RoHS/lead-free inferred from Microchip standard automotive flow and Z suffix matte-tin finish; verify on the Microchip product page compliance documents.
