Atmel Evaluation Kit for AT32uC3A0512, 32-Bit AVR Microcontroller Atmel ATEVK1105 ATEVK1105 Datenbogen
Produktcode
ATEVK1105
367
AT32UC3A
27.3
Block Diagram
Figure 27-1.
Block Diagram
27.4
I/O Lines Description
Table 27-1.
I/O Line Description
Name
Description
Type
Active Level
NCS[3:0]
Static Memory Controller Chip Select Lines
Output
Low
NRD
Read Signal
Output
Low
NWR0/NWE
Write 0/Write Enable Signal
Output
Low
A0/NBS0
Address Bit 0/Byte 0 Select Signal
Output
Low
NWR1/NBS1
Write 1/Byte 1 Select Signal
Output
Low
A1/NWR2/NBS2
Address Bit 1/Write 2/Byte 2 Select Signal
Output
Low
NWR3/NBS3
Write 3/Byte 3 Select Signal
Output
Low
A[25:2]
Address Bus
Output
D[31:0]
Data Bus
I/O
NWAIT
External Wait Signal
Input
Low
SMC
Chip Select
Bus
Matrix
PM
CLK_SMC
SMC
GPIO
Controller
NCS[5:0]
NRD
NWR0/NWE
A0/NBS0
NWR1/NBS1
A1/NWR2/NBS2
NWR3/NBS3
A[25:2]
D[31:0]
NWAIT
User Interface
Peripheral Bus
NCS[5:0]
NRD
NWR0/NWE
A0/NBS0
NWR1/NBS1
A1/NWR2/NBS2
NWR3/NBS3
A[25:2]
D[31:0]
NWAIT
32058K
AVR32-01/12