AT32UC3A464 Atmel Corporation, AT32UC3A464 Datasheet - Page 691

• Manufacturer Part Number: AT32UC3A464
• Manufacturer: Atmel Corporation

Specifications of AT32UC3A464

• Flash (kbytes): 64 Kbytes
• Pin Count: 100
• Max. Operating Frequency: 66 MHz
• Cpu: 32-bit AVR
• Hardware Qtouch Acquisition: No
• Usb Transceiver: 1
• Usb Speed: Hi-Speed
• Usb Interface: Device + OTG
• Spi: 6
• Twi (i2c): 2
• Uart: 4
• Ssc: 1
• Sd / Emmc: 2
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 128
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: Yes
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 3.0 to 3.6
• Operating Voltage (vcc): 3.0 to 3.6
• Fpu: No
• Timers: 6
• Output Compare Channels: 6
• Input Capture Channels: 6
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

26.8.2.10
Register Name:
Access Type:
Offset:
Reset Value:
• NBTRANS: Number of transaction per microframe for isochronous endpoint
• EPTYPE: Endpoint Type
32072G–11/2011
31
23
15
7
-
-
-
-
This field shall be written to the number of transaction per microframe to perform high-bandwidth isochronous transfer
This field can be written only for endpoint that have this capability (see UFEATURES register, ENHBISOn bit). This field is 0
otherwise.
This field is irrelevant for non-isochronous endpoint.
isochronous feature is supported by the device.
This field shall be written to select the endpoint type:
This field is cleared upon receiving a USB reset.
0
0
1
1
0
0
1
1
NBTRANS
Endpoint n Configuration Register
EPTYPE
30
22
14
6
-
-
UECFGn, n in [0..7]
Read/Write
0x0100 + (n * 0x04)
0x00000000
NBTRANS
0
1
0
1
0
1
0
1
EPSIZE
29
21
13
5
-
-
Number of transaction
reserved to endpoint that does not have the high-bandwidth isochronous capability.
default value: one transaction per micro-frame.
2 transactions per micro-frame. This endpoint should be configured as double-bank.
3 transactions per micro-frame. This endpoint should be configured as triple-bank if
supported
Endpoint Type
Control
Isochronous
Bulk
Interrupt
(see
28
20
12
4
-
-
Table 26-1 on page
Look at the UFEATURES register to know if the high-bandwidth
.
EPTYPE
27
19
11
3
-
-
EPBK
617)
.
26
18
10
2
-
-
-
AUTOSW
ALLOC
25
17
9
1
-
-
EPDIR
24
16
8
0
-
-
-
691