at91sam9g20-cu ATMEL Corporation, at91sam9g20-cu Datasheet - Page 138

• Manufacturer Part Number: at91sam9g20-cu
• Description: At91 Arm Thumb Microcontrollers
• Manufacturer: ATMEL Corporation

Table 20-4.
138
Signals:
EBI_
Controller
D0 - D7
D8 - D15
D16 - D31
A0/NBS0
A1/NWR2/NBS2
A2 - A10
A11
SDA10
A12
A13 - A14
A15
A16/BA0
A17/BA1
A18 - A20
A21/NANDALE
A22/NANDCLE
A23 - A24
A25
NCS0
NCS1/SDCS
NCS2
NCS3/NANDCS
NCS4/CFCS0
NCS5/CFCS1
NCS6
NCS7
NANDOE
NANDWE
NRD/CFOE
NWR0/NWE/CFWE
NWR1/NBS1/CFIOR
NWR3/NBS3/CFIOW
CFCE1
AT91SAM9G20 Preliminary
EBI Pins and External Device Connections
SDRAMC
D16 - D31
SDRAM
D8 - D15
A[11:12]
D0 - D7
DQM0
DQM2
DQM1
DQM3
A[0:8]
BA0
BA1
A10
CS
A9
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
CompactFlash
(EBI only)
CFRNW
CFCS0
CFCS1
Pins of the Interfaced Device
D0 - D7
D8 - 15
A[2:10]
REG
IOW
CE1
IOR
WE
OE
A0
A1
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
(1)
(1)
(1)
True IDE Mode
CompactFlash
(EBI only)
CFRNW
CFCS0
CFCS1
D0 - D7
D8 - 15
A[2:10]
REG
IOW
CS0
SMC
IOR
WE
A0
A1
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
(1)
(1)
(1)
6384B–ATARM–15-Dec-08
NAND Flash
I/O8 - I/O15
I/O0 - I/O7
CE
ALE
CLE
WE
RE
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
(3)