Using the AT85DVK-07 Board
AT85DVK-07 Development Board User Guide
2-21
4391B–MP3–07/07
Figure 2-20.
USB Mass Storage Device Connection
Figure 2-21.
USB Device Power Supply Connection
2.16
Nand Flash
Board Extension
The Nand Flash bare PCB is delivered to make easy new Nand Flash testing.
The AT85C51SND3Bx Nand Flash drivers support up to 4 nand flash with 1x, 2x or 4x
configuration. The Nand Flash extension board can be configured for operation with sin-
gle CE or double CE Nand Flash memories (double dies per package).
Figure 2-22 shows the board implementation while Table 2-23 and Table 2-24 summa-
rize the board configuration depending on Nand Flash memory type.
Note:
In order to fit with generic software driver, the Nand Flash memories soldered on one
board must be of same part number.
Figure 2-22.
Nand Flash Board Implementation
J24
J25
U
V
C
O
N
V
B
U
S
V
S
S
Mini-A Plug
A Receptacle
Mass-Storage Device
UVCON
VBUS
VSS
EX5V VBUS
POWER SUPPLY
ON
GND
5V
J24
NF0
Top View
NF3
NF1
Bottom View
NF4
SE1
SE5
SE0
SE7
SE3
SE2
S
E
4
S
E
6
