SAM3U4E Atmel Corporation, SAM3U4E Datasheet - Page 990
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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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39.7.7
Name:
Address:
Access:
• SPEED_CFG: Speed Configuration
Speed Configuration:
• TST_J: Test J Mode
0 = no effect.
1 = set to send the J state on the UDPHS line. This enables the testing of the high output drive level on the D+ line.
• TST_K: Test K Mode
0 = no effect.
1 = set to send the K state on the UDPHS line. This enables the testing of the high output drive level on the D- line.
• TST_PKT: Test Packet Mode
0 = no effect.
1 = set to repetitively transmit the packet stored in the current bank. This enables the testing of rise and fall times, eye pat-
terns, jitter, and any other dynamic waveform specifications.
• OPMODE2: OpMode2
0 = no effect.
1 = set to force the OpMode signal (UTMI interface) to “10”, to disable the bit-stuffing and the NRZI encoding.
990
990
Value
0
1
2
3
31
23
15
–
–
–
7
–
SAM3U Series
SAM3U Series
UDPHS Test Register
Name
NORMAL
HIGH_SPEED
FULL_SPEED
UDPHS_TST
0x400A40E0
Read-write
30
22
14
–
–
–
6
–
Description2
Normal Mode: The macro is in Full Speed mode, ready to make a High Speed identification, if the host
supports it and then to automatically switch to High Speed mode
Reserved
Force High Speed: Set this value to force the hardware to work in High Speed mode. Only for debug
or test purpose.
Force Full Speed: Set this value to force the hardware to work only in Full Speed mode. In this
configuration, the macro will not respond to a High Speed reset handshake.
OPMODE2
29
21
13
–
–
–
5
TST_PKT
28
20
12
–
–
–
4
TST_K
27
19
11
–
–
–
3
TST_J
26
18
10
–
–
–
2
25
17
–
–
9
–
1
SPEED_CFG
6430E–ATARM–29-Aug-11
6430E–ATARM–29-Aug-11
24
16
–
–
8
–
0
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