参数资料
型号: ATEVK525
厂商: Atmel
文件页数: 8/30页
文件大小: 0K
描述: ADD ON KIT FOR STK525
标准包装: 1
附件类型: 大容量存储器
适用于相关产品: STK525
产品目录页面: 615 (CN2011-ZH PDF)
相关产品: ATSTK525-ND - KIT STARTER FOR AT90USB
其它名称: AT89EVK525
AT89EVK525-ND
Using the ATEVK525
Table 2-1 . NAND Flash pin assignment
NAND Flash
I/O[7:0]
CLE
ALE
RE#
WE#
CE#
R/B#
Microcontroller
PORTA[7:0] (A7-A0)
PORTC0 (A8)
PORTC1 (A9)
PORTE1 (RD#)
PORTE0 (WR#)
PORTC2 (A10)
PORTC6
Function
Data and Address bus
Command Latch Enable
Data Latch Enable
Read enable
Write enable
Chip select (active low) (with on-board pull-up)
Ready / Busy# (pull-up must be enabled in micro)
Note:
The ‘#’ character indicates that the corresponding signal is active low.
2.2.2
Additional devices
NAND Flash Module Description If another memory device is required for development or evaluation purpose, it is still
possible to install it on the ATEVK525 through an additional module as described below.
The board provides two SIP-13 receptacle footprints (2.54mm pitch). Users can solder a
receptacle on the board and then insert a NAND Flash module described below, or
directly solder the module.
Figure 2-4 . NAND Flash module example
NFCON1
1
13
NFCON2
1
13
Table 2-2 . NAND Flash module pin-out description
NFCON1
NFCON2
Pin #
1
2
3
Function
WP2#
CE3#
CE2#
Pin #
1
2
3
Function
WP3#
R/B3#
R/B2#
2-8
7740B–AVR–03/08
ATEVK525 Mass Storage Board for AVR
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