ATSTK526 Atmel, ATSTK526 Datasheet - Page 17

• Manufacturer Part Number: ATSTK526
• Description: KIT STARTER FOR AT90USB82/162
• Manufacturer: Atmel
• Series: AVR®r
• Type: MCUr

Specifications of ATSTK526

• Contents: Starter Kit Board, Power Supply, Cable and Software
• Processor To Be Evaluated: AT90USB82/162
• Data Bus Width: 8 bit
• Interface Type: RS-232, USB
• Silicon Manufacturer: Atmel
• Core Architecture: AVR
• Silicon Core Number: AT90USB82, AT90USB162
• Kit Contents: Board Docs
• Rohs Compliant: Yes
• For Use With/related Products: AT90USB162, AT90USB82
• For Use With: ATSTK500 - PROGRAMMER AVR STARTER KIT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

7709B–AVR–07/08
Using the STK526
2.6.3
2-16
Data Flash Memory
Figure 2-18 . LEDs Implementation Schematic
For USB Mass-storage class demonstration purposes, the STK526 provides an on-chip
serial Flash memory (AT45DB642x) connected to the AT90USB82/162 Serial Port
Interface (SPI).
The data-flash chip select signal is connected to PortC bit 2 of the AT90USB82/162
(See Figure 2-19).
Figure 2-19 . On-board data flash schematic
Although the dataflash is 3.3V powered, it withstands without problem 5V level signals.
3.3V
PC2
1k
1k
1k
1k
R13
10k
R1
R2
R3
R4
R123
47k
PB[7..0]
TOPLED LP M676
TOPLED LP M676
TOPLED LP M676
TOPLED LP M676
In-line Grouped LEDs
LED 0 (green)
LED 1 (green)
LED 2 (green)
LED 3 (green)
C123
D0
D1
D2
D3
PB3
PB2
PB1
PD0
PD1
PD4
PD5
1
2
3
4
AT45DB642D CASON8
SI
SCK
RESET
CS
U9
GND
VCC
WP
SO
STK526 rev. B Hardware User Guide
PD[7..0]
8
7
6
5
47k
R14
100nF
3.3V
C8