AN2131QC Cypress Semiconductor Corp, AN2131QC Datasheet - Page 62

• 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

The EZ-USB chip provides two input-output systems:
This chapter begins with a description of the programmable IO pins, and shows how they
are shared by a variety of 8051 and EZ-USB alternate functions such as UART, timer and
interrupt signals.
The I
This chapter describes both the programming information for the 8051 I
the operating details of the I
Chapter 5, "EZ-USB Enumeration and ReNumeration ."
EZ-USB TRM v1.9
4.1
Note
2.2-KB to 4.7-KB pullups are required on the SDA and SCL lines.
•
•
•
•
2
C controller uses the SCL and SDA pins, and performs two functions:
A set of programmable IO pins
A programmable I
General-purpose 8051 use
Boot loading from an EEPROM
Introduction
2
C Controller
4 EZ-USB Input/Output
2
C boot loader. The role of the boot loader is described in
Chapter 4. EZ-USB CPU
2
C interface, and
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