AT91SAM9G45-EKES Atmel, AT91SAM9G45-EKES Datasheet - Page 164

• Manufacturer Part Number: AT91SAM9G45-EKES
• Description: KIT EVAL FOR AT91SAM9G45
• Manufacturer: Atmel
• Series: AT91SAM Smart ARMr
• Type: MCUr

Specifications of AT91SAM9G45-EKES

• Contents: Board
• Processor To Be Evaluated: SAM9G45
• Data Bus Width: 32 bit
• Interface Type: I2C, SPI, UART
• Maximum Operating Temperature: + 50 C
• Minimum Operating Temperature: - 10 C
• Operating Supply Voltage: 1.8 V to 3.3 V
• For Use With/related Products: AT91SAM9G45
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: Q4626953

20.2.5
20.2.5.1
Table 20-4.
Notes:
164
Signals:
EBI_
Controller
D0 - D7
D8 - D15
D16 - D23
D24 - D31
A0/NBS0
A1/NWR2/NBS2
A2 - A22
A23 - A25
NCS0
NCS1/DDRSDCS
NCS2
NCS3/NANDCS
NCS4/CFCS0
NCS5/CFCS1
NRD/CFOE
NWR0/NWE
NWR1/NBS1
NWR3/NBS3
1. NWR1 enables upper byte writes. NWR0 enables lower byte writes.
2. NWRx enables corresponding byte x writes. (x = 0,1,2 or 3)
3. NBS0 and NBS1 enable respectively lower and upper bytes of the lower 16-bit word.
4. NBS2 and NBS3 enable respectively lower and upper bytes of the upper 16-bit word.
(5)
AT91SAM9G45
Application Example
Hardware Interface
EBI Pins and External Static Devices Connections
8-bit Static
A[23:25]
Device
D0 - D7
A[2:22]
Table 20-4 on page 164
external devices for each Memory Controller.
WE
OE
CS
CS
CS
CS
CS
CS
A0
A1
–
–
–
–
–
2 x 8-bit
Devices
D8 - D15
A[22:24]
D0 - D7
A[1:21]
Static
WE
WE
CS
CS
CS
CS
CS
CS
OE
A0
–
–
–
–
(1)
(1)
details the connections to be applied between the EBI pins and the
16-bit Static
Pins of the Interfaced Device
D8 - D15
A[22:24]
Device
D0 - D7
A[1:21]
NUB
NLB
WE
CS
CS
CS
CS
CS
CS
OE
A0
–
–
–
SMC
D16 - D23
D24 - D31
4 x 8-bit
D8 - D15
Devices
A[21:23]
D0 - D7
A[0:20]
Static
WE
WE
WE
WE
CS
CS
CS
CS
OE
CS
CS
–
(2)
(2)
(2)
(2)
2 x 16-bit
D16 - D23
D24 - D31
Devices
A[21:23]
D0 - D7
D8 - 15
A[0:20]
NUB
NUB
Static
NLB
NLB
WE
CS
CS
CS
CS
CS
CS
OE
(3)
(4)
(3)
(4)
6438F–ATARM–21-Jun-10
32-bit Static
D16 - D23
D24 - D31
A[21:23]
D0 - D7
Device
D8 - 15
A[0:20]
BE0
BE2
BE1
BE3
WE
CS
CS
CS
CS
CS
CS
OE