AN2131QC Cypress Semiconductor Corp, AN2131QC Datasheet - Page 205

• 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 PINSn registers contain the current value of the port pins, whether they are selected as
IO ports or alternate functions.
Page 12-12
PINSA
PINSB
OUTC
PINA7
PINC7
PINB7
b7
b7
b7
R
R
R
x
x
x
PINA6
PINC6
PINB6
b6
b6
b6
R
R
R
x
x
x
PINA5
PINB5
PINC5
b5
b5
b5
R
R
R
x
x
x
Figure 12-8. PINSn Registers
Chapter 12. EZ-USB Registers
PINA4
PINC4
PINB4
b4
b4
b4
Port A Pins
R
R
Port C Pins
R
x
Port B Pins
x
x
PINA3
PINB3
PINC3
b3
b3
b3
R
R
R
x
x
x
PINA2
PINC2
PINB2
b2
b2
b2
R
R
R
x
x
x
PINA1
PINB1
PINC1
b1
b1
b1
R
R
R
x
x
x
EZ-USB TRM v1.9
PINA0
PINB0
PINC0
b0
b0
b0
R
R
R
x
7F9A
x
x
7F99
7F98