AT32UC3A3256-ALUR Atmel, AT32UC3A3256-ALUR Datasheet - Page 18

• Manufacturer Part Number: AT32UC3A3256-ALUR
• Description: IC MCU 256KB FLASH 144LQFP
• Manufacturer: Atmel
• Series: AVR®32 UC3r

Specifications of AT32UC3A3256-ALUR

• Package / Case: 144-LQFP
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Operating Temperature: -40°C ~ 85°C
• Speed: 66MHz
• Number Of I /o: 110
• Core Processor: AVR
• Program Memory Type: FLASH
• Ram Size: 128K x 8
• Program Memory Size: 256KB (256K x 8)
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Peripherals: Brown-out Detect/Reset, DMA, POR, WDT
• Connectivity: EBI/EMI, I²C, IrDA, MMC, SPI, SSC, UART/USART, USB OTG
• Core Size: 32-Bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Table 4-5.
32072AS–AVR32–03/09
Signal Name
GCLK[2:0]
RESET_N
DMAACK[1:0]
DMARQ[1:0]
EXTINT[7:0]
KPS0 - KPS7
NMI_N
PA[31:0]
PB[11:0]
PC[5:0]
PX[59:0]
ADDR[23:0]
CAS
CFCE1
CFCE2
CFRNW
DATA[15:0]
NANDOE
NANDWE
NCS[5:0]
NRD
NWAIT
NWE0
NWE1
Signal Description List
Function
Generic Clock Pins
Reset Pin
DMA Acknowledge
DMA Requests
External Interrupt Pins
Keypad Scan Pins
Non-Maskable Interrupt Pin
Parallel I/O Controller GPIO port A
Parallel I/O Controller GPIO port B
Parallel I/O Controller GPIO port C
Parallel I/O Controller GPIO port X
Address Bus
Column Signal
Compact Flash 1 Chip Enable
Compact Flash 2 Chip Enable
Compact Flash Read Not Write
Data Bus
NAND Flash Output Enable
NAND Flash Write Enable
Chip Select
Read Signal
External Wait Signal
Write Enable 0
Write Enable 1
General Purpose Input/Output pin - GPIOA, GPIOB, GPIOC, GPIOX
DMA Controller - DMACA (optional)
External Interrupt Module - EIM
External Bus Interface - EBI
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Type
Input
Input
Input
Input
Input
I/O
I/O
I/O
I/O
I/O
Active
Level
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Comments
AT32UC3A3
18