SAM3U4E Atmel Corporation, SAM3U4E Datasheet - Page 1006
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SAM3U4E
Manufacturer Part Number
SAM3U4E
Description
Manufacturer
Atmel Corporation
Specifications of SAM3U4E
Flash (kbytes)
256 Kbytes
Pin Count
144
Max. Operating Frequency
96 MHz
Cpu
Cortex-M3
# Of Touch Channels
57
Hardware Qtouch Acquisition
No
Max I/o Pins
96
Ext Interrupts
96
Usb Transceiver
1
Quadrature Decoder Channels
1
Usb Speed
Hi-Speed
Usb Interface
Device
Spi
5
Twi (i2c)
2
Uart
5
Ssc
1
Sd / Emmc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
16
Adc Resolution (bits)
12
Adc Speed (ksps)
384
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
50
Self Program Memory
YES
External Bus Interface
1
Dram Memory
No
Nand Interface
Yes
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8/3.3
Operating Voltage (vcc)
1.62 to 3.6
Fpu
No
Mpu / Mmu
Yes / No
Timers
3
Output Compare Channels
3
Input Capture Channels
3
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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39.7.16
Name:
Address:
Access:
• FRCESTALL: Stall Handshake Request Clear
0 = no effect.
1 = clear the STALL request. The next packets from host will not be STALLed.
• TOGGLESQ: Data Toggle Clear
0 = no effect.
1 = clear the PID data of the current bank
For OUT endpoints, the next received packet should be a DATA0.
For IN endpoints, the next packet will be sent with a DATA0 PID.
• RX_BK_RDY: Received OUT Data Clear
0 = no effect.
1 = clear the RX_BK_RDY flag of UDPHS_EPTSTAx.
• TX_COMPLT: Transmitted IN Data Complete Clear
0 = no effect.
1 = clear the TX_COMPLT flag of UDPHS_EPTSTAx.
• RX_SETUP/ERR_FL_ISO: Received SETUP/Error Flow Clear
0 = no effect.
1 = clear the RX_SETUP/ERR_FL_ISO flags of UDPHS_EPTSTAx.
• STALL_SNT/ERR_NBTRA: Stall Sent/Number of Transaction Error Clear
0 = no effect.
1 = clear the STALL_SNT/ERR_NBTRA flags of UDPHS_EPTSTAx.
1006
1006
NAK_OUT
31
23
15
–
–
7
–
SAM3U Series
SAM3U Series
UDPHS Endpoint Clear Status Register
UDPHS_EPTCLRSTAx [x=0..6]
0x400A4118 [0], 0x400A4138 [1], 0x400A4158 [2], 0x400A4178 [3], 0x400A4198 [4], 0x400A41B8 [5],
0x400A41D8 [6]
Write-only
ERR_FLUSH
TOGGLESQ
NAK_IN/
30
22
14
–
–
6
ERR_NBTRA
STALL_SNT/
FRCESTALL
29
21
13
–
–
5
ERR_FL_ISO
RX_SETUP/
28
20
12
–
–
4
–
27
19
11
–
–
–
3
–
TX_COMPLT
26
18
10
–
–
2
–
RX_BK_RDY
25
17
–
–
9
1
–
6430E–ATARM–29-Aug-11
6430E–ATARM–29-Aug-11
24
16
–
–
8
–
0
–
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