AT32UC3A0512-ALTTA Atmel, AT32UC3A0512-ALTTA Datasheet - Page 411

• Manufacturer Part Number: AT32UC3A0512-ALTTA
• Description: IC MCU AVR32 512K FLASH 144LQFP
• Manufacturer: Atmel
• Series: AVR®32 UC3r

Specifications of AT32UC3A0512-ALTTA

• Core Processor: AVR
• Core Size: 32-Bit
• Speed: 66MHz
• Connectivity: EBI/EMI, Ethernet, I²C, SPI, SSC, UART/USART, USB OTG
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 109
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• Ram Size: 64K x 8
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 144-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

28.3
Figure 28-1. SDRAM Controller Block Diagram
28.4
32058J–AVR32–04/11
Block Diagram
I/O Lines Description
Controller
Memory
PMC
Chip Select
SDRAMC
SDRAMC
Interrupt
MCK
Table 28-1.
Name
SDCK
SDCKE
SDCS
BA[1:0]
RAS
CAS
SDWE
NBS[3:0]
SDRAMC_A[12:0]
D[31:0]
I/O Line Description
Peripheral Bus
Description
SDRAM Clock
SDRAM Clock Enable
SDRAM Controller Chip Select
Bank Select Signals
Row Signal
Column Signal
SDRAM Write Enable
Data Mask Enable Signals
Address Bus
Data Bus
User Interface
SDRAMC
Controller
PIO
Output
Output
Output
Output
Output
Output
Output
Output
Output
Type
I/O
SDCK
SDCKE
SDCS
BA[1:0]
RAS
CAS
SDWE
NBS[3:0]
SDRAMC_A[12:0]
D[31:0]
AT32UC3A
Active Level
High
Low
Low
Low
Low
Low
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