Using the AT89RFD-08 Board
AT89RFD-08 Hardware User Guide
2-15
4382E–MP3–05/06
2.7
Expansion
Connector
The expansion area consists of a 20-pin connector.
Figure 2-16.
JP1 Expansion Connector
Table 2-3.
Expansion Connector
2.7.1
Nand Flash
connection
The signals provided on the expansion connector make it possible to connect a Nand
Flash memory to the board.
Table 2-4.
Recommended Connection for Nand Flash
signal name
pin number
signal name
pin number
VDD
1
P3.2
11
P0.7
2
P3.6
12
P0.6
3
P3.7
13
P0.5
4
P2.0
14
P0.4
5
P2.1
15
P0.3
6
P2.2
16
P0.2
7
P2.3
17
P0.1
8
P2.7
18
P0.0
9
SDA
19
VSS
10
SCL
20
19
15
17
13
20
16
18
14
1
2
3
4
5
6
7
8
Expansion connector
pin number
Pin name
Nand Flash connection
12
P3.6
WR#
13
P3.7
RD#
14
P2.0
CLE
15
P2.1
ALE
16
P2.2
WP#
17
P2.3
RDY/BUSY
18
P2.7
CE#