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Infineon Technologies CY7C63813-SXCT
- Part No.:
- CY7C63813-SXCT
- Manufacturer:
- Infineon Technologies
- Category:
- Controllers
- Package:
- 18-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
CY7C63813-SXCT.pdf
- Description:
- IC CONTROLLER USB 5V 18SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,988
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Product details
Overview
CY7C63813-SXCT from Cypress Semiconductor is an 8-bit flash-programmable enCoRe™ II low-speed USB peripheral controller with integrated USB transceiver, crystalless 24 MHz oscillator, dual 3.3 V regulators (125 mA I/O supply + dedicated USB PHY regulator), and up to 20 GPIO pins. It supports USB 2.0 (TID #40000085), HID v1.1, one device address, control + two data endpoints, and auto-configurable USB/PS/2 mode without external switching components - deployed in optical mice and gaming peripherals.
For engineers reviewing the CY7C63813-SXCT datasheet, CY7C63813-SXCT pinout, CY7C63813-SXCT application, or CY7C63813-SXCT equivalent, key selection criteria include its crystalless operation, dual-regulator architecture, PS/2/USB dual-mode auto-detection, 24 MHz ±1.5% internal oscillator tuning, and 3.3 V I/O compatibility with configurable drive strength (8/50 mA sink).
Technical Context
The device implements a Harvard-architecture M8C CPU running at up to 24 MHz, with USB Serial Interface Engine (SIE) handling protocol-level transactions and endpoint management independently of firmware. Its clock system supports internal crystalless oscillation or external 12/24 MHz input, with automatic USB timing calibration during bus activity.
Memory includes up to 8 KB flash (with EEROM emulation) and 256 bytes RAM; peripheral blocks comprise a 12-bit programmable interval timer, 16-bit free-running timer with dual-edge capture registers (for RF/optical sensor timing), SPI master/slave (up to 4 Mbps), and vectored interrupt controller supporting 22 maskable sources including per-pin GPIO interrupts.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| USB Compliance | USB 2.0 Low-Speed (1.5 Mbps); USB-IF certified (TID #40000085) |
| CPU Core | M8C 8-bit Harvard architecture, up to 24 MHz operation |
| Memory | 8 KB flash (user code + EEROM emulation), 256 B RAM |
| Oscillator | Crystalless internal 24 MHz ±1.5% oscillator; supports external 12/24 MHz clock |
| Regulators | Dedicated 3.3 V USB PHY regulator + 125 mA general-purpose 3.3 V regulator |
| I/O Capability | Up to 20 GPIO; 4 pins at 3.3 V logic; configurable 8/50 mA sink on designated pins |
| Timers | 12-bit programmable interval timer, 16-bit free-running timer with dual-edge capture registers |
Pinout & Package
Package: 24-pin SOIC (SOIC-24), body width 7.5 mm, lead pitch 0.635 mm, JEDEC MS-013AC compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Power supply input | Main 4.0–5.5 V supply for core and I/O |
| VSS | Ground reference | Common return path for all circuit domains |
| USB_D+ | USB differential data line | Low-speed USB data+ signal; internally pulled up via 1.5 kΩ resistor |
| USB_D− | USB differential data line | Low-speed USB data− signal; includes dedicated 3.3 V regulator output for PHY bias |
| P0.0–P0.7 | General-purpose I/O port 0 | Individually configurable pins; P0.2–P0.4 support dedicated interrupt vectors |
| P1.0–P1.3 | 3.3 V I/O port | Fixed 3.3 V logic level; support CMOS/TTL inputs, open-drain outputs, internal pull-up |
| SCLK / P2.0 | SPI clock / GPIO | Configurable as SPI master clock or general-purpose I/O |
| MOSI / P2.1 | SPI data out / GPIO | Configurable as SPI master output or general-purpose I/O |
| MISO / P2.2 | SPI data in / GPIO | Configurable as SPI master input or general-purpose I/O |
| SS# / P2.3 | SPI slave select / GPIO | Active-low SPI chip select or general-purpose I/O |
| XTAL_IN / P3.0 | External clock input / GPIO | Accepts 12/24 MHz external clock or functions as GPIO |
| XTAL_OUT / P3.1 | Oscillator output / GPIO | Drives external crystal if used; otherwise GPIO |
| RESET# | Active-low reset input | Asynchronous reset; triggers power-on reset and low-voltage detect events |
Key Features
| Feature | Design Value |
|---|---|
| Crystalless USB timing | Internal 24 MHz oscillator calibrated to ±1.5% during USB traffic - eliminates external crystal and reduces BOM cost |
| Auto-switching USB/PS/2 mode | No GPIO pins or external logic required to detect and configure interface mode - simplifies host-side detection logic |
| Dual 3.3 V regulation | Separate 3.3 V supplies for USB PHY (noise-isolated) and external peripherals (125 mA) - enables direct powering of sensors or LEDs |
| Dual-edge capture timers | Independent rising/falling edge timestamp registers on two input pins - enables precise RF carrier demodulation or optical encoder pulse analysis |
| In-system reprogrammability | Firmware updates via USB without removing device from PCB - supports field upgrades and security dongle personalization |
Applications
| Optical Mouse | Gaming Joystick |
|---|---|
Use Scenario: High-resolution optical tracking with real-time motion reporting over USB. IC Role / Device Role / Timing Role: USB peripheral controller managing optical sensor SPI interface, motion data packetization, and HID report generation. Use Value: Crystalless operation eliminates timing drift across temperature; dual-edge capture timers precisely measure quadrature encoder pulses from optical sensor. | Use Scenario: Multi-axis analog stick and button polling with low-latency USB HID reporting. IC Role / Device Role / Timing Role: Embedded controller aggregating analog-to-digital conversions (via external ADC), debouncing mechanical switches, and formatting HID joystick reports. Use Value: 20 GPIO pins support direct switch matrix scanning; 50 mA sink capability drives status LEDs without external drivers. |
| POS Barcode Scanner | Security Dongle |
Use Scenario: Laser or CCD-based barcode reading with USB HID keyboard emulation. IC Role / Device Role / Timing Role: Interface controller between scan engine and host, converting decoded symbols into keystroke sequences. Use Value: Auto-configurable USB/PS/2 mode allows single hardware design to serve both modern and legacy POS terminals without firmware change. | Use Scenario: Hardware-based cryptographic authentication token with tamper-resistant firmware storage. IC Role / Device Role / Timing Role: Secure USB HID device storing encrypted keys in flash memory and performing challenge-response authentication. Use Value: In-system reprogrammability enables secure firmware updates; low-power sleep mode (10 µA) extends battery life in portable tokens. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar low-speed USB peripheral controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY7C63812-SXCT | Same enCoRe™ II core, but 16-pin SOIC package with only 14 GPIO pins and no 3.3 V I/O pins | Limited I/O count and absence of 3.3 V logic pins restrict use in designs requiring mixed-voltage interfacing | Select when board space is constrained and full 20-GPIO capability is unnecessary |
| CY7C63823-SXCT | Includes integrated 12-bit SAR ADC (8 channels) and enhanced USB suspend/wakeup timing control | Enables direct analog sensor interfacing (e.g., potentiometers, thermistors) without external ADC | Select when analog sensing is required and additional flash/RAM headroom is beneficial |
Compared with CY7C63812-SXCT, CY7C63813-SXCT provides more GPIO and 3.3 V I/O support; compared with CY7C63823-SXCT, it trades ADC functionality for lower cost and simpler layout - making it optimal for digital-only HID devices like mice and gamepads.
Availability
CY7C63813-SXCT is available at Aetrix Electronics and suitable for optical mouse development, gaming peripheral manufacturing, and POS terminal integration requiring stable component supply and long-term industrial availability.
Supply support for CY7C63813-SXCT 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
Cypress Semiconductor (now part of Infineon Technologies) is a fabless semiconductor company specializing in programmable system-on-chip solutions, USB controllers, and mixed-signal ICs for embedded applications.
The enCoRe™ II product line was designed specifically for cost-sensitive, low-speed USB peripheral applications - integrating USB transceivers, regulators, oscillators, and microcontroller cores to minimize external components in HID and human-interface devices.
FAQ
Does CY7C63813-SXCT require an external crystal for USB compliance?
No. The device features a crystalless 24 MHz internal oscillator calibrated to ±1.5% during USB traffic, satisfying USB Low-Speed timing requirements without external crystals or resonators. An external 12/24 MHz clock may be applied for higher precision, but is not required for certification or basic operation.
Can CY7C63813-SXCT operate in both USB and PS/2 modes simultaneously?
No. It supports auto-configuration to operate as either USB or PS/2, but not concurrently. Mode selection occurs at power-up based on host handshake signals; the internal logic detects the host interface type and configures the transceiver and endpoint behavior accordingly without firmware intervention or GPIO control.
What is the maximum sink current capability of GPIO pins on CY7C63813-SXCT?
Designated GPIO pins support configurable sink current of either 8 mA or 50 mA, selectable per pin group via configuration registers. Non-designated pins default to 2 mA sink. This allows direct driving of LEDs or small relays without external drivers, while preserving signal integrity on high-speed or sensitive lines.
Is in-system programming supported over USB without additional hardware?
Yes. The device includes a built-in USB bootloader that enables firmware updates directly over the USB interface using standard HID-class commands. No external programmer or debug interface is required - enabling field updates, security key provisioning, and post-deployment feature enhancements.
CY7C63813-SXCT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 18-SOIC (0.295", 7.50mm Width)
- Programmable:
- Not Verified
- Protocol:
- USB
- Function:
- Controller
- Interface:
- GPIO, SPI
- Standards:
- USB 2.0
- Voltage - Supply:
- 4V ~ 5.5V
- Current - Supply:
- 40mA
- Operating Temperature:
- 0°C ~ 70°C
- Supplier Device Package:
- 18-SOIC
- Grade:
- -
- Qualification:
- -
CY7C63813-SXCT FAQ
1.How can I place an order for CY7C63813-SXCT through Aetrix?
Please submit a Request for Quotation (RFQ) for CY7C63813-SXCT 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 CY7C63813-SXCT reliable?
The price and inventory of CY7C63813-SXCT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY7C63813-SXCT is usually 5 days.
3.What payment methods are accepted for CY7C63813-SXCT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY7C63813-SXCT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY7C63813-SXCT?
CY7C63813-SXCT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY7C63813-SXCT 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 CY7C63813-SXCT?
For technical support, including CY7C63813-SXCT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY7C63813-SXCT requirements.
6.How does Aetrix verify that CY7C63813-SXCT is sourced from the original manufacturer or authorized distributors?
All CY7C63813-SXCT 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 CY7C63813-SXCT meets industry standards.
7.What is the process for return or replacement of CY7C63813-SXCT?
All CY7C63813-SXCT units undergo pre-shipment inspection (PSI). If there is an issue with CY7C63813-SXCT, 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 CY7C63813-SXCT part is unused and in its original packaging.
Return procedure for CY7C63813-SXCT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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