ATSAM3U4EA-AU Atmel, ATSAM3U4EA-AU Datasheet - Page 6

• Manufacturer Part Number: ATSAM3U4EA-AU
• Description: IC MCU 32BIT 256KB FLASH 144LQFP
• Manufacturer: Atmel
• Series: SAM3Ur

Specifications of ATSAM3U4EA-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: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 52K 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
• Processor Series: ATSAM3x
• Core: ARM Cortex M3
• Data Bus Width: 32 bit
• Data Ram Size: 52 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, AT91SAM3U-EK, MDK-ARM, RL-ARM, ULINK2
• Development Tools By Supplier: ATSAM3U-EK
• Controller Family/series: SAM3U
• No. Of I/o's: 96
• Ram Memory Size: 52KB
• Cpu Speed: 96MHz
• No. Of Timers: 3
• Rohs Compliant: Yes
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

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
6430DS–ATARM–28-Mar-11
(3)
(1)
(2)