ATEVK1105 Atmel, ATEVK1105 Datasheet - Page 411

• Manufacturer Part Number: ATEVK1105
• Description: KIT EVAL FOR AT32UC3A0
• Manufacturer: Atmel
• Series: AVR®32r
• Type: MCUr

Specifications of ATEVK1105

• Contents: Evaluation Board, Software and Documentation
• Processor To Be Evaluated: AT32UC3A0512
• Processor Series: AVR
• Data Bus Width: 32 bit
• Interface Type: USART, TWI, USB, SPI, Ethernet
• Operating Supply Voltage: 3.3 V
• Silicon Manufacturer: Atmel
• Core Architecture: AVR
• Core Sub-architecture: AVR UC3
• Silicon Core Number: AT32UC3A0512
• Silicon Family Name: AVR
• Kit Contents: Board CD Docs
• Rohs Compliant: Yes
• For Use With/related Products: AT32UC3A0
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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
411