ATSAM3U2EA-AU Atmel, ATSAM3U2EA-AU Datasheet - Page 999
![IC MCU 32BIT 128KB FLASH 144LQFP](/photos/6/72/67244/144l1-lqfp_sml.jpg)
ATSAM3U2EA-AU
Manufacturer Part Number
ATSAM3U2EA-AU
Description
IC MCU 32BIT 128KB FLASH 144LQFP
Manufacturer
Atmel
Series
SAM3Ur
Specifications of ATSAM3U2EA-AU
Core Processor
ARM® Cortex-M3™
Core Size
32-Bit
Speed
96MHz
Connectivity
EBI/EMI, I²C, MMC, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
Number Of I /o
96
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
36K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Data Converters
A/D 8x10b, 8x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
144-LQFP
Controller Family/series
SAM3U
No. Of I/o's
96
Ram Memory Size
36KB
Cpu Speed
96MHz
No. Of Timers
3
Rohs Compliant
Yes
Processor Series
ATSAM3x
Core
ARM Cortex M3
Data Bus Width
32 bit
Data Ram Size
36 KB
Interface Type
4xUSART, 2xTWI, 5xSPI, Bus
Maximum Clock Frequency
96 MHz
Number Of Programmable I/os
96
Number Of Timers
8
Operating Supply Voltage
1.62 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
JTRACE-CM3, MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
ATSAM3U-EK
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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39.7.17
Name:
Address:
Access:
• FRCESTALL: Stall Handshake Request
0 = no effect.
1= If set a STALL answer will be done to the host for the next handshake.
This bit is reset by hardware upon received SETUP.
• TOGGLESQ_STA: Toggle Sequencing
Toggle Sequencing:
Notes:
6430D–ATARM–25-Mar-11
6430D–ATARM–25-Mar-11
SHRT_PCKT
NAK_OUT
These bits are set by hardware to indicate the PID data of the current bank:
Value
– IN endpoint: it indicates the PID Data Toggle that will be used for the next packet sent. This is not relative to
– CONTROL and OUT endpoint:
31
23
15
0
1
2
3
7
TOGGLESQ_STA
the current bank.
1. In OUT transfer, the Toggle information is meaningful only when the current bank is busy (Received OUT Data = 1).
2. These bits are updated for OUT transfer:
3. For High Bandwidth Isochronous Out endpoint, it is recommended to check the UDPHS_EPTSTAx/ERR_TRANS bit to know
4. This field is reset to DATA1 by the UDPHS_EPTCLRSTAx register TOGGLESQ bit, and by UDPHS_EPTCTLDISx (disable
UDPHS Endpoint Status Register
-
-
if the toggle sequencing is correct or not.
endpoint).
a new data has been written into the current bank.
the user has just cleared the Received OUT Data bit to switch to the next bank.
UDPHS_EPTSTAx [x=0..6]
0x400A411C [0], 0x400A413C [1], 0x400A415C [2], 0x400A417C [3], 0x400A419C [4], 0x400A41BC [5],
0x400A41DC [6]
Read-only
Name
DATA0
DATA1
DATA2
MDATA
ERR_FLUSH
NAK_IN/
30
22
14
6
BYTE_COUNT
Description
DATA0
DATA1
Data2 (only for High Bandwidth Isochronous Endpoint)
MData (only for High Bandwidth Isochronous Endpoint)
ERR_CRISO/
ERR_NBTRA
STALL_SNT/
FRCESTALL
29
21
13
5
ERR_FL_ISO
RX_SETUP/
28
20
12
4
–
BYTE_COUNT
TX_PK_RDY/
ERR_TRANS
27
19
11
BUSY_BANK_STA
3
–
TX_COMPLT
26
18
10
2
–
RX_BK_RDY/
KILL_BANK
SAM3U Series
SAM3U Series
25
17
CURRENT_BANK/
9
1
–
CONTROL_DIR
ERR_OVFLW
24
16
8
0
–
999
999
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