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Microchip Technology MEC1641-PZV-CRB00-TR
- Part No.:
- MEC1641-PZV-CRB00-TR
- Manufacturer:
- Microchip Technology
- Category:
- Application Specific Microcontrollers
- Package:
- 144-TFBGA
- Datasheet:
-
MEC1641-PZV-CRB00-TR.pdf
- Description:
- IC EMBEDDED CTLR 144TFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:4,300
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Product details
Overview
MEC1641-PZV-CRB00-TR from Microchip Technology is a 32-bit ARC625D-based embedded controller IC serving as the base component in split-architecture Advanced I/O Controllers. It integrates 288KB embedded Flash, 16KB SRAM, 2KB EEPROM, 108 GPIOs, 6 SMBus ports, and 16-channel ADC - enabling system power management, keyboard scan, fan tachometer monitoring, and ACPI-compliant host control via LPC bus.
For engineers reviewing the MEC1641-PZV-CRB00-TR datasheet, MEC1641-PZV-CRB00-TR pinout, MEC1641-PZV-CRB00-TR application, or MEC1641-PZV-CRB00-TR equivalent, key selection criteria include LPC host interface compatibility, BC-Link™ companion device coordination, VBAT/VTR dual-suspend power support, and integrated flash-based firmware execution for instant-on embedded controller functions.
Technical Context
The MEC1641-PZV-CRB00-TR implements an ARC625D 32-bit RISC core with tightly coupled 288KB Flash and 16KB SRAM, supporting real-time firmware execution for system-level power sequencing and ACPI S0–S5 state management. Its dual suspend supply planes (VBAT, VTR) and runtime VCC sensing enable hardware-assisted "instant on" wake-up without host intervention.
Communication is handled through Intel® LPC for host-side interaction and BC-Link™ for peer-to-peer coordination with companion components. The device includes six SMBus controllers, a 16-channel 12-bit ADC, two low-power timers, and dedicated hardware for keyboard matrix scanning and fan tachometer input - all managed by on-chip firmware without CPU overhead.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | ARC625D 32-bit RISC processor with deterministic interrupt latency for real-time EC firmware |
| Flash Memory | 288KB embedded Flash for secure, field-upgradable boot and application code storage |
| RAM | 16KB SRAM for active firmware execution and data buffering during suspend/resume cycles |
| EEPROM | 2KB emulated EEPROM for nonvolatile configuration storage across power cycles |
| GPIO Count | 108 general-purpose I/O pins supporting programmable pull-up/down, slew rate, and drive strength |
| SMBus Ports | 6 independent SMBus controllers for thermal sensors, battery gauges, and PMIC communication |
| ADC Channels | 16-channel 12-bit analog-to-digital converter for voltage, temperature, and current monitoring |
| Package | 144-pin TFBGA (7mm × 7mm, 0.5mm pitch) with exposed thermal pad for thermal management |
Pinout & Package
MEC1641-PZV-CRB00-TR is housed in a 144-pin Thin Fine-Pitch Ball Grid Array (TFBGA) package with 0.5 mm pitch and 7 mm × 7 mm body size. The package includes an exposed thermal pad for enhanced heat dissipation in thermally constrained laptop and ultrabook platforms.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| LPC_AD[0:3] | LPC Address/Data Multiplexed Bus | Shared bidirectional signals for Intel LPC host communication; supports byte-wide transfers and firmware hub protocol |
| BC_CLK / BC_DATA | BC-Link™ Clock and Data Lines | Dedicated differential pair for synchronous communication with companion BC bus devices (e.g., MEC1642) |
| VBAT / VTR | Suspend Power Supplies | Independent 3.3V rails powering RTC, GPIO retention, and wake logic during deep sleep (S4/S5) |
| VCC | Runtime Power Supply | Monitored 3.3V rail indicating system power-on state; triggers power state transitions and voltage supervision |
| GPIO[0:107] | General-Purpose I/O | Configurable digital I/O with interrupt capability; used for keyboard scan rows/columns, LED control, and sensor interfaces |
| ADC_IN[0:15] | Analog Input Channels | 16 single-ended inputs supporting 0–3.3V range; internally multiplexed to 12-bit SAR ADC for thermal/voltage monitoring |
Key Features
| Feature | Design Value |
|---|---|
| ARC625D Core + Embedded Flash | Enables self-contained, secure firmware execution without external code memory - reducing BOM cost and attack surface |
| Dual Suspend Power Planes (VBAT/VTR) | Guarantees full GPIO retention, RTC operation, and wake-event detection during S4/S5 states without host power |
| BC-Link™ Interface | Provides deterministic, low-latency communication with companion devices (e.g., MEC1642) for scalable I/O controller partitioning |
| Integrated Keyboard Scan Engine | Hardware-accelerated 25×16 matrix scanning with debounce and interrupt generation - offloads CPU and ensures responsiveness |
| 6 SMBus Controllers | Supports concurrent communication with multiple thermal sensors, battery fuel gauges, and smart chargers without software arbitration |
| 16-Channel 12-bit ADC | Measures system voltages, temperatures (via internal/external diodes), and current sense signals with ±1 LSB accuracy |
Applications
| Laptop Power Management | Ultrabook Instant-On System |
|---|---|
Use Scenario: Managing S0ix/S3/S4/S5 transitions, battery charging, thermal throttling, and lid-open wake events in thin-and-light notebooks. IC Role / Device Role / Timing Role: Primary embedded controller coordinating power sequencing, ACPI compliance, and host-firmware handshaking via LPC. Use Value: Enables sub-100ms resume from S3 using VBAT-retained context and hardware-triggered wake sources. | Use Scenario: Supporting always-on sensors, background firmware updates, and secure boot verification while maintaining <5mW S0ix idle power. IC Role / Device Role / Timing Role: Runtime supervisor managing VTR-powered peripherals, GPIO-wake sources, and PECI-based CPU thermal feedback. Use Value: Delivers guaranteed "instant on" via dual suspend supplies and hardware-accelerated keyboard scan without CPU polling. |
| Desktop Motherboard EC | Industrial Thin Client |
Use Scenario: Providing legacy PS/2 keyboard/mouse emulation, fan speed control, and hardware reset coordination on ATX platforms. IC Role / Device Role / Timing Role: System controller interfacing with Super I/O replacement logic, SMBus-connected VRMs, and chassis intrusion detectors. Use Value: Reduces platform dependency on discrete Super I/O by integrating 108 GPIOs, 6 SMBus ports, and fan tachometer input. | Use Scenario: Enabling fanless, sealed enclosure operation with passive cooling, remote firmware update, and watchdog-managed recovery. IC Role / Device Role / Timing Role: Standalone EC handling power-on self-test (POST), secure boot validation, and isolated peripheral control via GPIO and ADC. Use Value: Supports extended temperature operation (0°C to +70°C) with internal diode-based thermal monitoring and EEPROM-stored calibration data. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar embedded controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MEC1642-PZV-CRB00-TR | Companion BC-Link™ device with dedicated USB 2.0 PHY, PCIe root port, and additional SMBus; lacks embedded Flash and ARC core | Used as peer device in split-architecture systems - not standalone EC; requires MEC1641-PZV-CRB00-TR as controller | Select only when implementing BC-Link™-based I/O partitioning with separate USB/PCIe functionality |
| IT5570E-128QF | 8051-based EC with 128KB Flash, 8KB RAM, 64 GPIOs; no ARC core, BC-Link™, or VBAT/VTR dual-suspend architecture | Targeted at cost-sensitive legacy platforms; supports LPC but lacks instant-on power management and companion-device coordination | Choose for simpler LPC-only designs where BC-Link™ scalability and dual-suspend power are not required |
Compared with MEC1641-PZV-CRB00-TR, MEC1642-PZV-CRB00-TR serves a complementary role requiring pairing, while IT5570E-128QF offers reduced integration and no instant-on capability - making MEC1641-PZV-CRB00-TR the only option supporting hardware-coordinated suspend/resume, BC-Link™ expansion, and full ACPI 5.x compliance in a single chip.
Availability
MEC1641-PZV-CRB00-TR is available at Aetrix Electronics and suitable for laptop power management, ultrabook instant-on systems, desktop motherboard EC implementations, and industrial thin client designs requiring stable component supply and long-term lifecycle support.
Supply support for MEC1641-PZV-CRB00-TR 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 is a leading provider of microcontrollers, analog components, and Flash-IP solutions, with emphasis on reliability, security, and long-life product support for industrial and computing markets.
The MEC1641 family delivers advanced embedded controller functionality for next-generation PC and mobile platforms, designed specifically to replace legacy Super I/O and enable split-architecture I/O controllers with BC-Link™ interoperability.
FAQ
What is the primary function of the MEC1641-PZV-CRB00-TR in a computing platform?
The MEC1641-PZV-CRB00-TR serves as the base embedded controller in split-architecture Advanced I/O Controller systems. It executes real-time firmware for power management, keyboard scanning, thermal monitoring, and ACPI-compliant host communication via LPC bus - acting as the central system controller for S0–S5 state transitions and BC-Link™-coordinated peripheral management.
Does the MEC1641-PZV-CRB00-TR support instant-on functionality, and how is it implemented?
Yes, the MEC1641-PZV-CRB00-TR supports hardware-enforced instant-on via dual suspend power planes (VBAT and VTR). These supplies maintain RTC, GPIO retention, and wake-source logic during S4/S5 states. Combined with VCC monitoring and embedded Flash-resident firmware, the MEC1641-PZV-CRB00-TR enables sub-100ms resume without host-initiated boot sequence.
What communication interfaces does the MEC1641-PZV-CRB00-TR use to interact with the host and companion devices?
The MEC1641-PZV-CRB00-TR uses Intel® Low Pin Count (LPC) bus for host CPU communication and BC-Link™ differential signaling for peer-to-peer coordination with companion devices like the MEC1642. It also includes six independent SMBus controllers, UART, PECI, and JTAG for debug and system management.
How many analog input channels does the MEC1641-PZV-CRB00-TR integrate, and what is their resolution and use case?
The MEC1641-PZV-CRB00-TR integrates 16 single-ended analog input channels with 12-bit resolution. These support voltage monitoring, internal/external diode-based temperature sensing (6 external + 1 internal), and current-sense applications - all processed by an on-chip SAR ADC with ±1 LSB accuracy and configurable sampling rates.
Is the MEC1641-PZV-CRB00-TR pin-compatible with other members of the MEC1641 family, such as MEC1641-PZV-ASP00-TR?
Yes, all MEC1641-PZV variants including MEC1641-PZV-CRB00-TR and MEC1641-PZV-ASP00-TR share identical 144-pin TFBGA packaging, pinout, and electrical characteristics. Differences between variants are limited to pre-programmed firmware features, factory configuration, and tape-and-reel packaging - not hardware or pin assignment.
MEC1641-PZV-CRB00-TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- 144-TFBGA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Applications:
- I/O Controller
- Core Processor:
- ARC-625D
- Program Memory Type:
- EEPROM (2KB), FLASH (288KB)
- Controller Series:
- -
- RAM Size:
- 16K x 8
- Interface:
- ACPI, BC-Link, PWM, SMBus, LED, LPC, PECI, SPI, UART
- Number of I/O:
- 108
- Voltage - Supply:
- -
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 144-TFBGA (7x7)
MEC1641-PZV-CRB00-TR FAQ
1.How can I place an order for MEC1641-PZV-CRB00-TR through Aetrix?
Please submit a Request for Quotation (RFQ) for MEC1641-PZV-CRB00-TR 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 MEC1641-PZV-CRB00-TR reliable?
The price and inventory of MEC1641-PZV-CRB00-TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MEC1641-PZV-CRB00-TR is usually 5 days.
3.What payment methods are accepted for MEC1641-PZV-CRB00-TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MEC1641-PZV-CRB00-TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MEC1641-PZV-CRB00-TR?
MEC1641-PZV-CRB00-TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MEC1641-PZV-CRB00-TR 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 MEC1641-PZV-CRB00-TR?
For technical support, including MEC1641-PZV-CRB00-TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MEC1641-PZV-CRB00-TR requirements.
6.How does Aetrix verify that MEC1641-PZV-CRB00-TR is sourced from the original manufacturer or authorized distributors?
All MEC1641-PZV-CRB00-TR 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 MEC1641-PZV-CRB00-TR meets industry standards.
7.What is the process for return or replacement of MEC1641-PZV-CRB00-TR?
All MEC1641-PZV-CRB00-TR units undergo pre-shipment inspection (PSI). If there is an issue with MEC1641-PZV-CRB00-TR, 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 MEC1641-PZV-CRB00-TR part is unused and in its original packaging.
Return procedure for MEC1641-PZV-CRB00-TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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