cy7c63000

CY7C63000: 8-Bit RISC Microcontroller with USB Interface

Overview

The CY7C63000 is a low-cost 8-bit RISC microcontroller with an integrated USB serial interface engine, designed specifically for USB peripheral applications. This OTP (One-Time Programmable) microcontroller features a Harvard architecture, optimized USB instruction set, and operates with a 6MHz external clock (internally doubled to 12MHz). It provides a complete USB 1.5Mbps low-speed solution with integrated transceivers, making it ideal for HID (Human Interface Device) applications such as mice, joysticks, and game controllers.

Key Features

• USB Compliance:
  • Conforms to USB 1.5Mbps Specification, Version 1.0
  • Compliant with USB HID Specification, Version 1.0
  • Supports 1 device address and 2 endpoints
• Microcontroller Core:
  • 8-bit RISC architecture with 35 USB-optimized instructions
  • 6MHz external ceramic resonator or crystal input
  • 12MHz internal operation
• Memory Configuration:
  • 128 bytes of RAM
  • 2K bytes of EPROM (CY7C63000A)
  • 4K bytes of EPROM (CY7C63001A)
• I/O Capabilities:
  • Integrated USB transceivers
  • Up to 16 Schmitt trigger I/O pins with internal pull-up
  • Up to 8 I/O pins with LED drive capability
  • Special purpose I/O mode for mouse applications
  • Maskable interrupts on all I/O pins
• System Features:
  • 8-bit free-running timer
  • Watchdog timer (WDT)
  • Internal power-on reset (POR)
  • Instant-On Now™ for Suspend and Periodic Wake-up Modes
  • Improved output drivers to reduce EMI

Applications

• USB mice and pointing devices
• Game controllers and joysticks
• Human Interface Devices (HID)
• Low-speed USB peripherals
• Consumer input devices
• Simple USB control interfaces

Functional Description

Memory Organization

The CY7C63000 features a Harvard architecture with separate program and data memory spaces:

• Program Memory: 2K/4K bytes of EPROM organized as 1024/2048 x 16 bits
• Data Memory: 128 bytes of RAM organized as 128 x 8 bits
• Security: Includes a security fuse bit to protect programmed code

I/O Ports

The device features two general-purpose I/O ports:

• Port 0: 8 low-current I/O pins with Schmitt trigger inputs and internal pull-ups
• Port 1: 4 or 8 high-current I/O pins (depending on package) capable of driving LEDs
• All I/O pins support maskable interrupts
• Special modes available for optimizing photo transistor/LED combinations in mouse applications

USB Engine

The integrated USB engine provides:

• Full-speed USB 1.5Mbps operation
• Automatic USB enumeration process
• Endpoint 0 for control transfers
• Endpoint 1 for interrupt transfers
• Integrated USB transceivers
• USB suspend and wake-up capabilities

Timers and Interrupts

• 8-bit free-running timer with interrupt capability
• Watchdog timer for system reliability
• Multiple interrupt sources:
  • GPIO interrupts
  • USB interrupts
  • Timer interrupts
  • Wake-up interrupts

Electrical Characteristics

Package Information

The CY7C63000 is available in multiple package options:

• CY7C63000A/CY7C63100A (12 GPIO):
  • 20-pin PDIP (-PC)
  • 20-pin SOIC (-SC)
  • 20-pin Windowed CerDIP (-WC) for development
• CY7C63001A/CY7C63101A (16 GPIO):
  • 24-pin SOIC (-SC)
  • 24-pin QSOP (-QC)
  • 24-pin Windowed CerDIP (-WC) for development

Ordering Information

The device is available in several variants:

• CY7C63000A: 2K EPROM, 12 GPIO
• CY7C63001A: 4K EPROM, 12 GPIO
• CY7C63100A: 2K EPROM, 16 GPIO
• CY7C63101A: 4K EPROM, 16 GPIO

Development Support

• Windowed packages available for program development
• Industry standard programmer support