ATEVK1105 Atmel, ATEVK1105 Datasheet - Page 373
ATEVK1105
Manufacturer Part Number
ATEVK1105
Description
KIT EVAL FOR AT32UC3A0
Manufacturer
Atmel
Series
AVR®32r
Type
MCUr
Datasheets
1.ATAVRONE-PROBECBL.pdf
(16 pages)
2.ATEVK1104.pdf
(826 pages)
3.ATEVK1105.pdf
(28 pages)
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
- Current page: 373 of 826
- Download datasheet (20Mb)
Table 27-2.
27.6.4
32058J–AVR32–04/11
Signal Name
Device Type
Byte Access Type (BAT)
NBS0_A0
NWE_NWR0
NBS1_NWR1
NBS2_NWR2_A1
NBS3_NWR3
Standard Read and Write Protocols
SMC Multiplexed Signal Translation
Figure 27-8. Connection of 2x16-bit Data Bus on a 32-bit Data Bus (Byte Select Option)
In the following sections, the byte access type is not considered. Byte select lines (NBS0 to
NBS3) always have the same timing as the A address bus. NWE represents either the NWE sig-
nal in byte select access type or one of the byte write lines (NWR0 to NWR3) in byte write
access type. NWR0 to NWR3 have the same timings and protocol as NWE. In the same way,
NCS represents one of the NCS[0..3] chip select lines.
Byte Select
1x32-bit
NBS0
NBS1
NBS2
NBS3
NWE
Byte Select
32-bit Bus
2x16-bit
NBS0
NBS1
NBS2
NBS3
SMC
NWE
D[31:16]
D[15:0]
NCS[3]
A[25:2]
NBS0
NBS1
NBS2
NBS3
NRD
NWE
Byte Write
4 x 8-bit
NWR0
NWR1
NWR2
NWR3
Byte Select
1x16-bit
NBS0
NBS1
NWE
A1
16-bit Bus
A[23:0]
Low Byte Enable
High Byte Enable
Read Enable
Memory Enable
D[15:0]
A[23:0]
Write Enable
D[31:16]
Write Enable
Low Byte Enable
High Byte Enable
Read Enable
Memory Enable
Byte Write
2 x 8-bit
NWR0
NWR1
A1
AT32UC3A
8-bit Bus
1 x 8-bit
NWE
A0
A1
373
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