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Microchip Technology ATMEGA64RZAV-10PU
- Part No.:
- ATMEGA64RZAV-10PU
- Manufacturer:
- Microchip Technology
- Category:
- RF Transceiver ICs
- Package:
- 40-DIP (0.600", 15.24mm)
- Datasheet:
-
ATMEGA64RZAV-10PU.pdf
- Description:
- IC RF TXRX+MCU 802.15.4 40DIP
- Quantity:
- Payment:
- Shipping:
Inventory:1,668
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Product details
Overview
ATMEGA64RZAV-10PU from Microchip Technology (formerly Atmel) is an 8-bit AVR RISC microcontroller with 64 KB in-system programmable Flash, 4 KB SRAM, 2 KB EEPROM, 32 I/O lines, and integrated peripherals including dual USARTs, SPI, TWI, 10-bit ADC with differential gain options, three timer/counters (two 8-bit, one 16-bit), six PWM channels, and JTAG debug interface. It operates at up to 10 MHz @ 2.7–5.5 V and targets embedded control in industrial sensors and low-power IoT edge nodes.
For engineers reviewing the ATMEGA64RZAV-10PU datasheet, ATMEGA64RZAV-10PU pinout, ATMEGA64RZAV-10PU application, or ATMEGA64RZAV-10PU equivalent, key selection considerations include its 40-pin PDIP package, 10 MHz maximum clock at 2.7V+, JTAG boundary-scan capability, true read-while-write Flash, and six software-selectable sleep modes for ultra-low-power operation.
Technical Context
The ATMEGA64RZAV-10PU implements the enhanced AVR RISC architecture with 131 single-cycle instructions and 32 general-purpose registers directly connected to the ALU, enabling up to 10 MIPS throughput at 10 MHz. Its core integrates a calibrated internal RC oscillator, programmable brown-out detection, and power-on reset circuitry.
Peripheral subsystems include a 10-bit ADC with differential input and selectable gains (1x/10x/200x), two 8-bit Timer/Counters with compare modes, one 16-bit Timer/Counter with capture mode, Real Time Counter with dedicated oscillator, and IEEE 1149.1-compliant JTAG interface supporting on-chip debug, flash programming, and boundary-scan testing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | AVR 8-bit RISC with 32 general-purpose registers and single-cycle instruction execution |
| Flash Memory | 64 KB In-System Self-Programmable Flash with Read-While-Write capability |
| SRAM / EEPROM | 4 KB internal SRAM; 2 KB EEPROM rated for 100,000 write/erase cycles |
| Max Operating Frequency | 10 MHz at 2.7–5.5 V supply - enables deterministic real-time control at low power |
| ADC Resolution & Channels | 10-bit successive approximation ADC with 8 input channels and differential mode support |
| Timer/Counter Units | Three independent units: two 8-bit (T/C0, T/C2) and one 16-bit (T/C1) with compare, capture, and PWM |
| Communication Interfaces | Dual USART, Master/Slave SPI, byte-oriented Two-wire (TWI/I²C), and JTAG for debug/programming |
Pinout & Package
ATMEGA64RZAV-10PU is supplied in a 40-pin Plastic Dual Inline Package (PDIP) with 0.6-inch body width and standard through-hole mounting. The package supports full signal access to all I/O ports, analog inputs, power rails, clock pins, and JTAG signals.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| PB0–PB7 | Port B bidirectional I/O | 8-bit port with alternate functions including XCK0/T0, CLKO/T1, INT2/AIN0, OC0A/AIN1, SS, MOSI, MISO, SCK |
| PC0–PC7 | Port C bidirectional I/O | 8-bit port with JTAG signals (TCK/TMS/TDO/TDI), SCL/SDA, TOSC1/TOSC2, and PCINT16–PCINT23 |
| PD0–PD7 | Port D bidirectional I/O | 8-bit port with RXD0/TXD0, INT0/INT1, OC1B/OC1A/OC2B/ICP/OC2A, and PCINT24–PCINT31 |
| PA0–PA7 | Port A analog/digital I/O | 8-channel ADC inputs (ADC0–ADC7), also serve as general-purpose I/O with PCINT0–PCINT7 |
| RESET | Active-low reset input | Minimum pulse width specified; triggers power-on reset and brown-out recovery |
| XTAL1/XTAL2 | Crystal oscillator inputs | Support external crystal/resonator up to 10 MHz; internal RC oscillator usable for lower-frequency operation |
| VCC/GND | Power supply pins | Dual VCC (digital) and AVCC (analog) rails; separate GND and AGND connections required for ADC accuracy |
| AREF | Analog reference voltage | External reference input for ADC; supports internal VCC, internal 2.56 V, or external source |
Key Features
| Feature | Design Value |
|---|---|
| True Read-While-Write Flash | Enables firmware updates without halting application code execution - critical for field-upgradable embedded systems |
| JTAG Debug & Programming | IEEE 1149.1-compliant interface provides non-intrusive on-chip debugging, boundary-scan test, and full memory/fuse programming |
| Differential ADC with Gain | 10-bit ADC supports differential input with programmable gain (1x/10x/200x), improving resolution for low-level sensor signals |
| Six Sleep Modes | Idle, ADC Noise Reduction, Power-save, Power-down, Standby, Extended Standby - reduces active current to 240 µA @ 1 MHz / 3 V |
| Boot Code Section | Independent lock bits protect bootloader region, enabling secure over-the-air or serial firmware updates |
Applications
| Industrial Sensor Node | Smart Metering Interface |
|---|---|
Use Scenario: Standalone temperature/humidity/pressure sensing node with local data logging and RS-485 communication. IC Role / Device Role / Timing Role: Main system controller executing sensor acquisition, calibration, CRC-protected data storage, and UART-to-RS485 protocol translation. Use Value: Integrated 10-bit ADC with differential gain eliminates external signal conditioning; 64 KB Flash accommodates firmware + encryption stack + OTA update handler. |
Use Scenario: Energy meter front-end handling pulse counting, tariff switching, and secure metrology data transmission. IC Role / Device Role / Timing Role: Real-time pulse accumulator and time-stamped event logger interfacing with metrology IC via SPI, with tamper-detection GPIO monitoring. Use Value: 16-bit Timer/Counter with Input Capture enables precise pulse-width measurement; JTAG allows post-deployment calibration verification. |
| Low-Power IoT Gateway | Programmable Logic Controller (PLC) I/O Module |
Use Scenario: Battery-powered edge gateway aggregating BLE/Zigbee sensor data and forwarding via cellular modem. IC Role / Device Role / Timing Role: Central coordinator managing multiple wireless stacks, buffering payloads in SRAM, and scheduling modem wake-ups using RTC alarm. Use Value: Power-down mode draws only 0.1 µA @ 1.8 V; dual USARTs enable simultaneous BLE HCI and modem AT command interfaces. |
Use Scenario: DIN-rail mounted digital I/O expansion module for legacy PLC systems with isolated inputs/outputs. IC Role / Device Role / Timing Role: Isolation interface controller translating optocoupler inputs to SPI register reads and driving relay drivers via PWM-modulated outputs. Use Value: Six PWM channels allow proportional control of solid-state relays; 32 programmable I/O lines support configurable input filtering and debounce timing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ATMEGA644PV-10PU | Same core, Flash, RAM, and peripheral set; differs in speed grade (0–10 MHz @ 2.7–5.5 V) and packaging (40-pin PDIP vs. 44-pin TQFP/QFN) | Identical functional scope but lacks V-grade extended temperature qualification (-40°C to +85°C) | Select ATMEGA644PV-10PU only if industrial temperature range is not required and PCB layout permits 40-pin PDIP footprint. |
| ATMEGA64M1-AU | Same 64 KB Flash and 4 KB SRAM; adds high-side/low-side gate drivers and analog comparator with hysteresis; uses 44-pin TQFP package | Targeted at motor control and power conversion - includes integrated half-bridge drivers absent in ATMEGA64RZAV-10PU | Choose ATMEGA64M1-AU when driving MOSFETs/IGBTs directly is needed; not suitable as drop-in replacement due to different pinout and driver-specific registers. |
Compared with ATMEGA644PV-10PU and ATMEGA64M1-AU, the ATMEGA64RZAV-10PU offers guaranteed industrial temperature operation and PDIP compatibility for prototyping and legacy designs, while lacking motor driver peripherals but retaining full JTAG debug and differential ADC capability.
Availability
ATMEGA64RZAV-10PU is available at Aetrix Electronics and suitable for industrial automation, smart metering, and low-power sensor node applications requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for ATMEGA64RZAV-10PU includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Microchip Technology acquired Atmel in 2016 and continues development and support of the AVR microcontroller family, emphasizing robustness, low-power design, and toolchain maturity for cost-sensitive embedded applications.
The ATMEGA64RZAV-10PU belongs to the ATmega64x series designed for general-purpose embedded control where reliability, debuggability, and mixed-signal integration outweigh raw performance - especially in space-constrained, thermally demanding environments.
FAQ
What is the maximum operating frequency of the ATMEGA64RZAV-10PU?
The ATMEGA64RZAV-10PU is rated for up to 10 MHz operation within the 2.7–5.5 V supply range. This speed grade is validated across the full industrial temperature range (−40°C to +85°C). Operation above 10 MHz is not guaranteed and may result in timing violations or reduced noise immunity, even if the core appears functional at higher frequencies under specific conditions.
Does the ATMEGA64RZAV-10PU support in-system programming (ISP)?
Yes, the ATMEGA64RZAV-10PU supports in-system programming via its SPI interface using standard ISP protocols. It also supports JTAG-based programming and debugging. Both methods allow full reprogramming of Flash, EEPROM, fuses, and lock bits without removing the device from the target board - essential for field updates and production programming.
What are the key differences between ATMEGA64RZAV-10PU and ATMEGA644PV-10PU?
The ATMEGA64RZAV-10PU and ATMEGA644PV-10PU share identical core architecture, memory sizes, and peripheral sets. The primary distinctions are: (1) ATMEGA64RZAV-10PU is qualified for industrial temperature range (−40°C to +85°C), whereas ATMEGA644PV-10PU is commercial grade (0°C to +70°C); (2) ATMEGA64RZAV-10PU uses a 40-pin PDIP package, while ATMEGA644PV-10PU is offered in 44-pin TQFP/QFN variants.
Can the ATMEGA64RZAV-10PU's ADC measure differential signals with programmable gain?
Yes, the ATMEGA64RZAV-10PU's 10-bit ADC supports differential input mode with selectable gain settings of 1x, 10x, or 200x. This is implemented using internal PGA circuitry and dedicated ADC channel pairs (e.g., AIN0/AIN1), enabling high-resolution measurement of small-signal transducers such as bridge-based pressure sensors without external amplification.
How does the JTAG interface on the ATMEGA64RZAV-10PU enhance development workflow?
The IEEE 1149.1-compliant JTAG interface on the ATMEGA64RZAV-10PU enables non-intrusive on-chip debugging, real-time variable inspection, hardware breakpoint setting, and full boundary-scan testing. It also supports programming of Flash, EEPROM, fuses, and lock bits - eliminating the need for separate debug probes or bootloaders during early development and validation phases.
ATMEGA64RZAV-10PU Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- 40-DIP (0.600", 15.24mm)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Type:
- TxRx + MCU
- RF Family/Standard:
- 802.15.4
- Protocol:
- 6LoWPAN, Zigbee®
- Modulation:
- O-QPSK
- Frequency:
- 2.4GHz
- Data Rate (Max):
- 250kbps
- Power - Output:
- 3dBm
- Sensitivity:
- -101dBm
- Memory Size:
- 64kB Flash, 2kB EEPROM, 4kB SRAM
- Serial Interfaces:
- JTAG, SPI, USART
- GPIO:
- 32
- Voltage - Supply:
- 1.8V ~ 3.6V
- Current - Receiving:
- 15.5mA
- Current - Transmitting:
- 9.5mA ~ 16.5mA
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 40-PDIP
ATMEGA64RZAV-10PU FAQ
1.How can I place an order for ATMEGA64RZAV-10PU through Aetrix?
Please submit a Request for Quotation (RFQ) for ATMEGA64RZAV-10PU on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for ATMEGA64RZAV-10PU reliable?
The price and inventory of ATMEGA64RZAV-10PU are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ATMEGA64RZAV-10PU is usually 5 days.
3.What payment methods are accepted for ATMEGA64RZAV-10PU?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ATMEGA64RZAV-10PU transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ATMEGA64RZAV-10PU?
ATMEGA64RZAV-10PU orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ATMEGA64RZAV-10PU order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for ATMEGA64RZAV-10PU?
For technical support, including ATMEGA64RZAV-10PU datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ATMEGA64RZAV-10PU requirements.
6.How does Aetrix verify that ATMEGA64RZAV-10PU is sourced from the original manufacturer or authorized distributors?
All ATMEGA64RZAV-10PU products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that ATMEGA64RZAV-10PU meets industry standards.
7.What is the process for return or replacement of ATMEGA64RZAV-10PU?
All ATMEGA64RZAV-10PU units undergo pre-shipment inspection (PSI). If there is an issue with ATMEGA64RZAV-10PU, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The ATMEGA64RZAV-10PU part is unused and in its original packaging.
Return procedure for ATMEGA64RZAV-10PU:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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