AN2131QC Cypress Semiconductor Corp, AN2131QC Datasheet - Page 5

• 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

2
3
4
ii
1.16
1.17
1.18
1.19
1.20
EZ-USB CPU .................................................................................. 2-1
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
2.10
2.11
EZ-USB Memory ............................................................................ 3-1
3.1
3.2
3.3
3.4
3.5
EZ-USB Input/Output ................................................................... 4-1
4.1
4.2
4.3
4.4
4.5
4.6
4.7
Reset and Power Management .............................................................. 1-15
EZ-USB Product Family ....................................................................... 1-16
Summary of AN2122, AN2126 Features ............................................. 1-16
Revision ID ........................................................................................... 1-17
Pin Descriptions .................................................................................... 1-18
Introduction ............................................................................................. 2-1
8051 Enhancements ................................................................................ 2-1
EZ-USB Enhancements .......................................................................... 2-2
EZ-USB Register Interface ..................................................................... 2-2
EZ-USB Internal RAM ........................................................................... 2-3
I/O Ports .................................................................................................. 2-3
Interrupts ................................................................................................. 2-4
Power Control ......................................................................................... 2-5
SFRs ........................................................................................................ 2-6
Internal Bus ............................................................................................. 2-7
Reset ........................................................................................................ 2-7
Introduction ............................................................................................. 3-1
8051 Memory .......................................................................................... 3-2
Expanding EZ-USB Memory ................................................................. 3-4
CS# and OE# Signals .............................................................................. 3-5
EZ-USB ROM Versions ......................................................................... 3-7
Introduction ............................................................................................. 4-1
IO Ports ................................................................................................... 4-2
IO Port Registers ..................................................................................... 4-5
I2C Controller ......................................................................................... 4-6
8051 I2C Controller ................................................................................ 4-6
4.5.1
4.5.2
Control Bits ............................................................................................. 4-8
4.6.1
4.6.2
4.6.3
Status Bits ............................................................................................... 4-9
4.7.1
START ...................................................................................... 4-8
STOP ........................................................................................ 4-8
LASTRD ................................................................................... 4-9
DONE ....................................................................................... 4-9
ACK .......................................................................................... 4-9
BERR ...................................................................................... 4-10
Table of Contents
EZ-USB TRM v1.9