ATSAM3U2EA-AU Atmel, ATSAM3U2EA-AU Datasheet - Page 6
![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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- Download datasheet (25Mb)
Table 3-1.
6
Signal Name
ERASE
NRST
NRSTB
TST
URXD
UTXD
PA0 - PA31
PB0 - PB31
PC0 - PC31
D0 - D15
A0 - A23
NWAIT
NCS0 - NCS3
NWR0 - NWR1
NRD
NWE
NBS0 - NBS1
NANDOE
NANDWE
NANDRDY
SAM3U Series
Signal Description List (Continued)
Function
Flash and NVM Configuration Bits Erase
Command
Microcontroller Reset
Asynchronous Microcontroller Reset
Test Select
UART Receive Data
UART Transmit Data
Parallel IO Controller A
Parallel IO Controller B
Parallel IO Controller C
Data Bus
Address Bus
External Wait Signal
Chip Select Lines
Write Signal
Read Signal
Write Enable
Byte Mask Signal
NAND Flash Output Enable
NAND Flash Write Enable
NAND Ready
Universal Asynchronous Receiver Transceiver - UART
PIO Controller - PIOA - PIOB - PIOC
Static Memory Controller - SMC
NAND Flash Controller - NFC
External Bus Interface
Flash Memory
Reset/Test
Output
Output
Output
Output
Output
Output
Output
Output
Output
Type
Input
Input
Input
Input
Input
Input
I/O
I/O
I/O
I/O
I/O
Active
Level
High
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Reference Comments
Voltage
VDDBU
VDDBU
VDDIO
VDDIO
Internal permanent 15K
pulldown
Internal permanent
pullup
Internal permanent
pullup
Internal permanent
pulldown
•Schmitt Trigger
Reset State:
•PIO Input
•Internal pullup enabled
•Schmitt Trigger
Reset State:
•PIO Input
•Internal pullup enabled
•Schmitt Trigger
Reset State:
•PIO Input
•Internal pullup enabled
6430D–ATARM–25-Mar-11
(3)
(1)
(2)
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