AN2131QC Cypress Semiconductor Corp, AN2131QC Datasheet - Page 4

• 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

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EZ-USB TRM v1.9
Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . i
Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii
Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xi
Introducing EZ-USB ......................................................................1-1
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
1.10
1.11
1.12
1.13
1.14
1.15
Introduction ............................................................................................. 1-1
EZ-USB Block Diagrams ....................................................................... 1-2
The USB Specification ........................................................................... 1-3
Tokens and PIDs ..................................................................................... 1-4
Host is Master ......................................................................................... 1-5
1.5.1
1.5.2
USB Direction ......................................................................................... 1-6
Frame ...................................................................................................... 1-6
1.7.1
1.7.2
EZ-USB Transfer Types ......................................................................... 1-7
1.8.1
1.8.2
Enumeration ............................................................................................ 1-9
The USB Core ....................................................................................... 1-10
EZ-USB Microprocessor ...................................................................... 1-11
ReNumeration‘ ...................................................................................... 1-12
EZ-USB Endpoints ............................................................................... 1-12
1.13.1
1.13.2
1.13.3
1.13.4
Fast Transfer Modes ............................................................................. 1-14
Interrupts ............................................................................................... 1-15
Receiving Data from the Host .................................................. 1-6
Sending Data to the Host ......................................................... 1-6
Bulk Transfers .......................................................................... 1-7
Interrupt Transfers ................................................................... 1-7
Isochronous Transfers ............................................................. 1-8
Control Transfers ..................................................................... 1-8
EZ-USB Bulk Endpoints ......................................................... 1-13
EZ-USB Control Endpoint Zero ............................................ 1-13
EZ-USB Interrupt Endpoints ................................................. 1-14
EZ-USB Isochronous Endpoints ............................................ 1-14
Technical Reference Manual
Table of Contents
Table of Contents
EZ-USB
i