AN2131QC Cypress Semiconductor Corp, AN2131QC Datasheet - Page 187

• 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

Table 10-4 summarizes the effects of the four EZ-USB resets.
Page 10-8
10.7
Note
The I
EZ-USB RESET pin resets it.
•
•
•
2
C controller is not reset for any of the conditions laid out in Table 10-4. Only the
The function address is reset to zero (13).
The configuration is reset to zero (19).
Alternate settings are reset to zero (20).
Reset Summary
Table 10-4. Effects of Various EZ-USB Resets (“U” Means “Unaffected”)
8051 Reset
EP0-7 IN EPs
EP0-7 OUT EPs
Breakpoint
Stall Bits
Interrupt Enables
Interrupt Reqs
CLK24
Data Toggles
Function Address
Configuration
ReNum
Resource
RESET pin
unarm
unarm
reset
reset
reset
reset
reset
reset
reset
run
0
0
Chapter 10. EZ-USB Resets
USB Bus Reset
unarm
reset
reset
U
U
U
U
U
U
U
U
0
Disconnect
unarm
reset
reset
reset
arm
U
U
U
U
U
U
0
8051 Reset
unarm/arm
unarm
reset
reset
N/A
U
U
U
U
U
U
U
EZ-USB TRM v1.9