AT32UC3A0512-ALTTA Atmel, AT32UC3A0512-ALTTA Datasheet - Page 147

• 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: -

20.4
Table 20-1.
32058J–AVR32–04/11
Name
D0 - D15
A0 - A23
NWAIT
NCS0 - NCS3
NWR0 - NWR3
NOE
NRD
NWE
NBS0 - NBS3
SDCK
SDCKE
BA0 - BA1
SDWE
RAS - CAS
NWR0 - NWR3
NBS0 - NBS3
SDA10
I/O Lines Description
EBI I/O Lines Description
Depending on the Memory Controller in use, all signals are not connected directly through the
Mux Logic.
Table 20-2 on page 147
EBI pins.
Table 20-2.
NWR1/NBS1
A0/NBS0
A1/NBS2/NWR2
A[11:2]
SDA10
A12
A[14:13]
External Wait Signal
Chip Select Lines
Output Enable
Read Signal
Write Enable
Byte Mask Signals
SDRAM Clock
SDRAM Clock Enable
Bank Select
Row and Column Signal
Byte Mask Signals
SDRAM Address 10 Line
Function
Data Bus
Address Bus
Write Signals
SDRAM Write Enable
Write Signals
EBI Pins and Memory Controllers I/O Lines Connections
EBI Pins
details the connections between the two Memory Controllers and the
SDRAM Controller
SMC
EBI
NBS1
Not Supported
Not Supported
SDRAMC_A[9:0]
SDRAMC_A10
Not Supported
SDRAMC_A[12:11]
SDRAMC I/O Lines
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Type
Input
I/O
SMC_A[11:2]
SMC_A[14:13]
NWR1/NUB
SMC_A0/NLB
SMC_A1
Not Supported
SMC_A12
AT32UC3A
SMC I/O Lines
Active Level
High
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
147