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Analog Devices Inc./Maxim Integrated IC0400C778BF+LTB
- Part No.:
- IC0400C778BF+LTB
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Microcontrollers
- Package:
- 256-BGA
- Datasheet:
-
IC0400C778BF+LTB.pdf
- Description:
- IC MCU 32BIT 256KB FLSH 256LFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:4,534
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Product details
Overview
IC0400C778BF+LTB from Maxim Integrated is a secure 32-bit MIPS32® 4KSd™ microcontroller designed for trusted financial terminals, featuring 130 MIPS at 96 MHz, 128 KB SRAM, 256 KB lockable flash, and hardware AES-128 encryption engine. It supports Linux® OS via integrated MMU and runs EMV®/PCI PED-compliant applications in EFTPOS and PIN pad systems.
For engineers reviewing the IC0400C778BF+LTB datasheet, IC0400C778BF+LTB pinout, IC0400C778BF+LTB application, or IC0400C778BF+LTB equivalent, key selection considerations include tamper-sensing capability (voltage/frequency/temperature), 512-bit battery-powered key area with instant erase, USB 2.0 OTG full-speed interface, and secure keyboard controller (12×12).
Technical Context
The IC0400C778BF+LTB implements a hardened MIPS32 4KSd core with dedicated cryptographic instructions and dual 8 KB I/D caches, enabling real-time secure boot and trusted execution. Its security subsystem integrates environmental sensors, die shield, TRNG, and secure RTC with interrupt alarm - all feeding into a unified destruct/reset logic upon tampering detection.
Memory architecture includes AHB/APB buses, universal memory controller supporting SDRAM + up to four static memories, and on-die encryption engine for external memory AES-128 on-the-fly encryption/decryption. The device provides three ISO 7816 smart card controllers and thermal printer interface for end-to-end terminal peripheral integration.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | MIPS32 4KSd RISC, 130 MIPS @ 96 MHz, with crypto acceleration instructions |
| Internal Memory | 128 KB SRAM, 256 KB lockable flash, 128 KB ROM (HAL/EMV L1/secure bootloader), 256 B OTP |
| Security Features | 512-bit BPK with instant erase, 12 external sensor inputs, TRNG, tamper-sensing die shield, secure RTC |
| Crypto Engine | Hardware AES-128 engine + universal cryptographic interface (UCI) for external memory encryption |
| Peripherals | USB 2.0 OTG (16 endpoints), 4 UARTs, 3 ISO 7816, SPI/I²C/PS/2/IrDA/SPP, 6-channel 10-bit ADC, LCD 8-bit bus |
| Package & Temp | 256-pin LFBGA, -40°C to +85°C operating range, RoHS-compliant lead-free package |
Pinout & Package
IC0400C778BF+LTB is housed in a 256-ball Low-Profile Fine-Pitch Ball Grid Array (LFBGA) package with 0.8 mm ball pitch and 15 mm × 15 mm body size. Pin assignment follows Maxim's USIP PRO standard layout with dedicated power domains (VCORE, VA33, VIOS, VBATA18, VBAT), tamper sensing inputs (ESI[11:0]), and functional banks for USB, UART, smart card, and memory interfaces.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIO, VA33 | I/O and analog supply | +3.3 V domain powering GPIO, UART, SPI, I²C, and smart card interfaces |
| VCORE | Core voltage supply | +1.8 V supply for MIPS32 CPU core, caches, and internal logic |
| VBAT, VBATA18 | Battery-backed power | +1.8 V backup for BPK, RTC, and tamper-sensing circuitry during main power loss |
| ESI[11:0] | Tamper sensor input | 12 dedicated pins for external environmental monitoring (voltage, frequency, temperature) |
| SDR_DQML/SDR_DQMH | SDRAM data mask | High/low byte masking control for 16-bit SDRAM data bus interface |
| USB_DP/USB_DM | USB 2.0 differential pair | Full-speed (12 Mbps) OTG-capable physical layer interface with integrated transceiver |
Key Features
| Feature | Design Value |
|---|---|
| Secure Boot & Execution | ROM-resident HAL and EMV Level 1 bootloader enforces authenticated firmware load and runtime integrity checks |
| On-the-Fly Memory Encryption | Universal Cryptographic Interface (UCI) performs AES-128 encryption/decryption of external NOR/SRAM/SDRAM content in real time |
| Physical Tamper Response | Integrated die shield + 12 ESI inputs trigger immediate BPK erase and system reset within microseconds of intrusion detection |
| Smart Card Support | Three independent ISO 7816-3 controllers support T=0/T=1 protocols, contact-based cards, and hot-plug detection |
| Linux-Ready Architecture | MMU-enabled 32-bit RISC core with 8 KB I/D caches and AHB/APB interconnect enables full Linux kernel execution in secure context |
Applications
| EFTPOS Terminals | PIN Entry Devices (PIN Pads) |
|---|---|
Use Scenario: Payment terminals processing chip-and-PIN transactions in retail and banking environments. IC Role / Device Role / Timing Role: Main secure application processor executing EMV-certified payment stack and managing card reader, display, and keypad. Use Value: Hardware-enforced isolation between payment app and peripherals prevents side-channel leakage; AES engine secures RAM/flash against cold-boot and dump attacks. | Use Scenario: Standalone or integrated PIN pads used for confidential credential entry in ATMs and kiosks. IC Role / Device Role / Timing Role: Trusted execution environment for PIN validation, secure keypad scanning, and encrypted PIN block generation. Use Value: Secure keyboard controller (12×12) with tamper-triggered wipe ensures no plaintext PIN remains in memory after entry or attack. |
| ATM Keypads | Healthcare Smart Card Readers |
Use Scenario: Front-panel keypads in automated teller machines requiring PCI PED certification. IC Role / Device Role / Timing Role: Dedicated secure controller handling key scan, LED feedback, and encrypted communication with host ATM controller. Use Value: JTAG boundary scan + secure debug disable prevents unauthorized firmware access; RTC-integrated alarm supports audit logging with time-stamped tamper events. | Use Scenario: Portable or desktop readers for national health ID cards, insurance cards, or e-prescription systems. IC Role / Device Role / Timing Role: ISO 7816-compliant smart card interface controller with secure NVM storage for certificate management and session keys. Use Value: Three independent smart card controllers enable concurrent multi-card operation; BPK stores root CA keys with zero-retention erase on voltage glitch. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar secure microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Infineon SLI97xx series | ARM SecurCore SC300 core, 128 KB SRAM, no integrated SDRAM controller, single ISO 7816 port | Limited peripheral count; optimized for low-cost PIN pads rather than full EFTPOS terminals | Preferred when cost-sensitive design requires basic EMV L1 but omits Linux support and multi-smart-card capability |
| NXP LPC55S69 | Cortex-M33 core, TrustZone, 320 KB SRAM, no BPK or tamper sensors, no EMV ROM HAL | Targets industrial IoT with secure boot only; lacks certified payment stack and physical tamper response | Appropriate for non-PCI PED applications needing TrustZone-based isolation without bank-grade tamper protection |
Compared with SLI97xx and LPC55S69, IC0400C778BF+LTB uniquely combines EMV/PCI PED-certified ROM firmware, hardware BPK with instant erase, and full Linux readiness - making it the only option among the three qualified for high-assurance financial terminals requiring both logical and physical security enforcement.
Availability
IC0400C778BF+LTB is available at Aetrix Electronics and suitable for EFTPOS terminals, PIN pads, ATM keypads, and healthcare smart card readers requiring stable component supply across long-lifecycle deployments in regulated financial and medical environments.
Supply support for IC0400C778BF+LTB 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
Maxim Integrated (now part of Analog Devices) designs precision analog, mixed-signal, and secure microcontroller solutions for demanding industrial, automotive, and financial applications.
The USIP PRO product line delivers certified, tamper-resistant microcontrollers built for EMV® and PCI PED compliance - targeting trusted transaction platforms where hardware-rooted security and long-term firmware integrity are mandatory.
FAQ
What is the primary security certification supported by IC0400C778BF+LTB?
IC0400C778BF+LTB is fully compliant with EMV® Level 1 and PCI PED standards out of the box, enabled by its ROM-resident HAL and secure bootloader. The device includes certified cryptographic primitives (AES-128), tamper-detection circuitry, and secure key storage (512-bit BPK), all validated per PCI PTS v6.x and EMVCo requirements. IC0400C778BF+LTB does not require external co-processors to meet these certifications.
Does IC0400C778BF+LTB support Linux OS execution, and what hardware features enable it?
Yes, IC0400C778BF+LTB supports full Linux OS execution due to its MIPS32 4KSd core with Memory Management Unit (MMU), dual 8 KB instruction/data caches, and AHB/APB bus architecture. The 128 KB SRAM and 256 KB flash provide sufficient on-chip resources for lightweight distributions, while the MMU enforces process isolation and virtual memory management required by Linux kernels. IC0400C778BF+LTB includes drivers in its ROM HAL for USB OTG, UART, and SPI - accelerating bring-up.
What is the function of the 512-bit Battery-Powered Key (BPK) area in IC0400C778BF+LTB?
The 512-bit BPK in IC0400C778BF+LTB is a tamper-responsive, battery-backed non-volatile memory region storing cryptographic root keys and sensitive credentials. It erases instantly upon detection of voltage, frequency, or temperature anomalies - or physical shield breach - ensuring zero residual key material. Powered by VBATA18/VBAT, the BPK remains active during main power loss, enabling secure RTC and audit logging. IC0400C778BF+LTB guarantees BPK integrity via hardware-monitored write-protection and fuse-controlled access.
How many ISO 7816 smart card interfaces does IC0400C778BF+LTB provide, and are they independently configurable?
IC0400C778BF+LTB integrates three fully independent ISO 7816-3 controllers, each supporting T=0 and T=1 protocols, asynchronous smart cards, and hot-plug detection. Each controller has dedicated clock, reset, and I/O lines routed to separate pin groups, allowing simultaneous operation with different card types (e.g., EMV payment card, health ID card, and SIM). IC0400C778BF+LTB firmware can assign distinct security policies and baud rates per channel without resource contention.
Is IC0400C778BF+LTB pin-compatible with IC0400K778BF+?
No, IC0400C778BF+LTB is not pin-compatible with IC0400K778BF+, despite sharing the same 256 LFBGA package and temperature range. IC0400K778BF+ includes JTAG debug interface signals (TCK/TMS/TDO/TDI) routed to dedicated balls, while IC0400C778BF+LTB repurposes those pins for general-purpose I/O or peripheral functions. Board-level substitution requires PCB redesign. IC0400C778BF+LTB targets production deployment where debug access is disabled; IC0400K778BF+ serves development and validation.
IC0400C778BF+LTB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package/Case:
- 256-BGA
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- MIPS32® 4KSd™
- Core Size:
- 32-Bit Single-Core
- Speed:
- 96MHz
- Connectivity:
- I2C, SPI, UART/USART, USB
- Peripherals:
- DMA, LCD, WDT
- Number of I/O:
- 32
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 128K x 8
- Voltage - Supply (Vcc/Vdd):
- -
- Data Converters:
- A/D 6x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
IC0400C778BF+LTB FAQ
1.How can I place an order for IC0400C778BF+LTB through Aetrix?
Please submit a Request for Quotation (RFQ) for IC0400C778BF+LTB 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 IC0400C778BF+LTB reliable?
The price and inventory of IC0400C778BF+LTB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for IC0400C778BF+LTB is usually 5 days.
3.What payment methods are accepted for IC0400C778BF+LTB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for IC0400C778BF+LTB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for IC0400C778BF+LTB?
IC0400C778BF+LTB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your IC0400C778BF+LTB 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 IC0400C778BF+LTB?
For technical support, including IC0400C778BF+LTB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your IC0400C778BF+LTB requirements.
6.How does Aetrix verify that IC0400C778BF+LTB is sourced from the original manufacturer or authorized distributors?
All IC0400C778BF+LTB 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 IC0400C778BF+LTB meets industry standards.
7.What is the process for return or replacement of IC0400C778BF+LTB?
All IC0400C778BF+LTB units undergo pre-shipment inspection (PSI). If there is an issue with IC0400C778BF+LTB, 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 IC0400C778BF+LTB part is unused and in its original packaging.
Return procedure for IC0400C778BF+LTB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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