AN2131QC Cypress Semiconductor Corp, AN2131QC Datasheet - Page 92

• 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

Interface 0, alternate setting 1 has six bulk endpoints with max packet sizes of 64 bytes.
Even numbered endpoints were chosen to allow endpoint pairing. For more on endpoint
pairing, see Chapter 6, "EZ-USB Bulk Transfers."
EZ-USB TRM v1.9
Table 5-14. USB Default Interface 0, Alternate Setting 1, Bulk Endpoint Descriptors
Offset
1
2
3
4
5
6
0
bLength
bDescriptorType
bEndpointAddress
bmAttributes
wMaxPacketSize (L)
wMaxPacketSize (H) Maximum Packet Size - High
bInterval
Field
Descriptor Type = Endpoint
XFR Type = BULK
Length of this Endpoint Descriptor
Endpoint Direction (1 is in) and Address = OUT6
Maximum Packet Size = 64 Bytes
Polling Interval in Milliseconds (1 for iso)
Chapter 5. EZ-USB CPU
Description
Value
00H
00H
07H
05H
06H
02H
40H
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