AN2131QC Cypress Semiconductor Corp, AN2131QC Datasheet - Page 275

• Manufacturer Part Number: AN2131QC
• Description: IC MCU 8051 8K RAM 24MHZ 80BQFP
• Manufacturer: Cypress Semiconductor Corp
• Series: EZ-USB®r

Specifications of AN2131QC

• Applications: USB Microcontroller
• Core Processor: 8051
• Program Memory Type: ROMless
• Controller Series: AN213x
• Ram Size: 8K x 8
• Interface: I²C, USB
• Number Of I /o: 24
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 80-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 428-1307

A.1
The EZ-USB contains an 8051 core that is binary compatible with the industry standard 8051
instruction set. This appendix provides an overview of the 8051 core features. the topics are:
A.2
The 8051 core provides the following design features and enhancements to the standard 8051
micro-controller:
EZ-USB TRM v1.9
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Introduction
New 8051 Features
Performance Overview
Software Compatibility
803x/805x Feature Comparison
8051/DS80C320 Differences
8051 Features
Compatible with industry standard 803x/805x:
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High speed architecture:
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256 Bytes internal data RAM
High-speed external memory interface with 16-bit address bus
Variable length MOVX to access fast/slow RAM peripherals
Fully static synchronous design
Supports industry standard compilers, assemblers, emulators, and ROM monitors
Standard 8051 instruction set
Two full-duplex serial ports
Three timers
4 clocks/instruction cycle
2.5X average improvement in instruction execution time over the standard 8051
Runs DC to 25-MHz clock
Wasted bus cycles eliminated
Dual data pointers
Appendix A: 8051 Introduction
Appendix A: 8051 Introduction
A - 1