Atmel Evaluation Kit AT91SAM9G20-EK AT91SAM9G20-EK Data Sheet
Product codes
AT91SAM9G20-EK
Setting Up the AT91SAM9G20-EK Board
AT91SAM9G20-EK Evaluation Board User Guide
2-5
6413C–ATARM–18-Feb-09
2.7
AT91SAM9G20-EK Block Diagram
Figure 2-3.
AT91SAM9G20-EK Block Diagram
PI
O
ET
X
X
C
K
/R
E
F
CLK
ET
X
X
0
ET
X
X
1
ET
X
X
E
N
ERX
1
ERX
0
ERX
D
V
ERX
E
R
EM
DC
EM
DI
O
O
ET
X
X
2
ET
X
X
3
ERX
2
ERX
3
ET
X
X
ER
ERX
C
K
E
C
R
S
ECO
L
MC
D
B
2
S
PI
0_NPC
S
0 M
CDB
3
S
P
I0
_M
O
O
S
I MC
C
D
B
M
C
CK
S
PI
0_M
IS
O M
C
DB0
MC
D
B
1
SDRAM
NANFLASH
DAC
WM
8
7
3
1
5VDC
DBGU
H
O
S
T
A
HO
S
T B
USB
D
EVI
C
E
C
O
M1
C
O
M
0
RS232
CA
R
R
D
R
EA
DER
DER
DBGU_RX
D
D
B
GU_T
X
D
10/100 Mbps FAST ETHERNET
EEPROM
SERIAL
PI
O
P
IO
P
IO
PI
O
TW
D
TW
C
K
S
PI
0_N
P
C
S
1
S
P
I0_
S
S
PCK
DATAFLASH
SERIAL
DATAFLASH
MCIB
SH
EE
T 2
SHEET 5
SHEET 6
SH
EE
T 7
PA
2
2
3
/TW
D
PA
24
/T
24
/T
WC
K
TF
0
0
TK
0
0
TD
0
0
PCK0
S
PI
1
_N
P
P
C
S
0
DATAFLASH
MCIA
C
A
RD
READER
(B
O
O
OT
)
)
M
CDA
0
MC
D
A
1
M
CDA
2
M
CDA
3
M
CCK
M
CCD
A
RA
S
S
C
A
S
S
D
A
1
0
S
D
W
E
E
S
D
C
S
_
NC
S
1
S
D
CK
S
D
CKE
NB
S
1
NB
S
3
PB
[0..
3
[0..
3
1]
PB
9
9
PA
1
1
7
PA
1
1
9
P
B
0
PA
1
1
1
PA
1
1
0
PA
25
25
PA
26
26
PA
2
2
2
PA
2
2
7
PA
2
2
8
PA
2
2
9
PA
1
1
3
PA
1
1
2
PA
16
16
P
A
15
P
A
14
PA
20
20
PA
21
21
PA
1
1
8
PA
[0.
[0.
.3
1
]
NR
S
T
N
AN
D
D
OE
N
AN
D
D
WE
A2
2
2
A
21
D[
0
0
..
3
1]
A
1
6
A
1
7
A
[0
..
1
4
]
A
[0
..2
2
]
NC
S
0
NR
S
T
CF
W
E_
NW
W
E_
NW
E_
NW
NW
R0
CFOE_N
R
D
RA
S
S
CA
S
S
S
D
A1
0
0
S
DW
E
S
D
C
S
_
NC
S
1
S
D
CK
S
D
CKE
NB
S
1
NB
S3
NA
NDOE
NDOE
NA
NDW
NDW
E
PB
[0.
[0.
.3
1]
DDP
HDPA
HDM
A
HDPB
HDM
B
DD
M
PB15
PB
[0
[0
..
3
1]
PB
1
1
4
P
A0
P
A5
PA
[0..
[0..
3
1]
P
A4
P
A
3
PA
8
8
P
A1
P
C
1
4
P
C
1
3
PC[0..15]
PB
26
26
PB
2
2
3
PB
2
2
5
PB2
8
PB6
PB7
P
B
29
PB4
PB5
PB
27
27
PB
2
2
4
PB
2
2
2
D
[0
..1
5
5
]
PC[0
..15]
PC5
NR
S
T
PC11
PA
2
2
P
A2
3
3
P
A2
4
4
PC9
PB17
PB1
8
P
B
16
P
C
[0.
.15
]
.15
]
PC1
PB
[0.
[0.
.3
1
]
PA
2
2
3
PA
2
2
4
PB
3
3
PA
6
6
PA
9
9
PA
1
1
0
PA
1
1
1
PA
7
7
P
C
2
PB
[0.
[0.
.3
1
]
PA
8
8
S
E
R
IA
L
IN
TE
R
TE
R
F
A
CE
S
0
5
-
COM
M
UNI
C
A
T
IO
N
N
HDMA
HDMB
DD
M
D
DP
HDPA
HDPB
PB29
PB26
PB4
PB2
8
PB6
PB5
PB7
PB2
5
PC5
PB14
PB2
3
PB15
PB2
2
PB27
PB24
R
MII_
MII
ET
ET
HERNET
0
3
-
RM
II_
M
II ET
HERNET
HERNET
NR
S
T
PA2
8
PA1
8
PA1
2
PA2
2
PA1
3
PA14
PA1
0
PA15
PA1
1
PA1
7
PA25
PA26
PA20
PA19
PB0
PA27
PA2
9
PA21
PA16
M
EM
OR
Y
0
3
- M
E
M
O
RY
CA
S
S
DW
E
S
DC
S
_
NC
S
1
S
DC
KE
CFI
O
R_NB
S
1_NW
R
1
S
DC
K
S
DA1
0
D
[0.
.3
1
]
RA
S
C
F
IO
W
_
_
NB
S3
_
_
N
W
R
R
3
N
R
S
T
NANDOE
NAN
D
WE
PC1
3
PC14
A21
A22
PA0
PA5
PA4
PA
8
8
PA
3
3
PA2
PA1
PC
11
A1
6
6
A1
7
7
A[
0
0
..
1
4
]
D[
0
0
..1
5
5
]
PA24
PA2
3
PC9
PA6
PA9
PA1
0
PA1
1
PA
8
8
PA7
PC2
EX
PA
N
PA
N
S
IO
N
N
_
U
s
er
s
I
n
terf
a
c
e
s
06
- EX
- EX
P
A
N
S
IO
N
C
O
O
N
NECT
OR
S
PA[
0.
.3
1]
A[
0.
0.
.2
2
]
D[
0.
0.
.3
1]
PB[
0.
.3
1]
C
A
S
S
DW
E
N
ANDOE
S
DC
S
_NC
S
1
NR
S
T
S
DC
KE
S
DC
K
CFI
O
R_NB
S
1_NW
R
1
N
ANDW
E
S
DA10
R
A
S
CFI
O
W
_
_
NB
S3
_NW
_NW
R
3
NC
S
0
CFW
E_
NW
NW
E_N
W
R
R
0
C
F
O
E_NRD
PC[
0
..15]
AVD
D
AGN
D
VR
EF
P
P
PO
WE
R
S
UPPL
Y
01 -
PO
WE
R
S
UPPL
Y
S
HD
N
PB9
PB16
PB17
PA2
3
PC
1
PB1
8
PA24
PB
3
3
A
T
9
1
S
A
M
9
G
20-CU
02
- A
T
- A
T
91
S
S
AM
9
G20-CU
PA[
0.
.3
1
]
A[
0
0
..
2
2
]
PB[
0
..3
1
]
P
C
[0
..1
5
5
]
D[
0.
0.
.3
1]
CA
S
S
D
W
E
E
HDMA
HDMB
S
D
C
S
_
N
C
S
1
NR
S
T
NC
S
0
C
F
WE
_
N
W
E_
N
E_
N
W
R0
R0
S
D
CKE
DD
M
CFI
O
R_NB
S
1_N
W
R1
R1
S
D
CK
S
DA1
0
DD
P
RA
S
HDPA
C
F
IO
W
_NB
W
_NB
S3
_
_
N
W
R
R
3
HDPB
NANDOE
CFO
E_
NR
NR
D
NAN
D
WE
S
HDN
AVD
D
AGN
D
VREFP