Atmel ATEVK525 Betriebsanweisung PDF herunterladen (Seite 28)

Complete Schematics

7-28 ATEVK525 Mass Storage Board for AVR

7740B–AVR–03/08

Note: The rows with grey background color specify that the corresponding component is not

mounted by default (power protection circuit, NAND Flash socket...)

Table 7-1 . Bill of Materials

Qtty

Schematic

Reference

Part Reference Description Case

CAPACITORS

1 C1 1µF Tantalum 1µF 16V capacitor SMD 3216

2 C2, C8 4.7µF Tantalum 4.7µF 16V capacitor SMD 3216

3 C3, C6, C7 10nF Ceramic multi-layer 10nF capacitor SMD 0805

2 C4, C5 1nF Ceramic multi-layer 1nF capacitor SMD 0805

DIODES

1 D1 HSMC-C170 Red LED “WRITE” SMD 0805

1 D2 HSMG-C170 Green LED “READ” SMD 0805

1 D3 HSML-C170 Orange LED “PWR_FAIL” SMD 0805

CONNECTORS

2 J1, J3 M20-6102005 PC104 2x20-pin through-hole female press-fit stackable

connector

2.54mm pitch

1 J5 FPS009-3001 Yamaichi SD/MMC Connector with manual eject See DS

2 J2, J4 SIP13, 2.54mm pitch, socket for NAND Flash module 2.54mm pitch

CONFIGURATION

2 CP1, CP2 Configuration Pad Enabled by default. Can be disabled cutting it. N/A

1 SP1 Solder Pad Disabled by default. Can be enabled with a solder drop. N/A

10 TP1-TP10 Test Point Solder or touch the testpoint with a probe Circular pad

RESISTORS

2 R1, R11 47 KOhms Resistor 0.1W 1% 47 KOhms SMD 0805

2 R5, R7 47 KOhms Resistor 0.1W 1% 47 KOhms SMD 0805

2 R2, R3 820 Ohms Resistor 0.1W 1% 820 Ohms SMD 0805

1 R12 820 Ohms Resistor 0.1W 1% 820 Ohms SMD 0805

1 R4 150 KOhms Resistor 0.1W 1% 150 KOhms SMD 0805

1 R6 10 KOhms Resistor 0.1W 1% 10 KOhms SMD 0805

2 R8, R10 0 Ohms Resistor 0 Ohms (strap) SMD 0805

1 R9 75 KOhms Resistor 0.1W 1% 75KOhms SMD 0805

INTEGRATED CIRCUITS

1 U1 LM393M Double comparator, open collector output SO-8

1 U2 LM385M3-1.2 Voltage reference 1.235V SOT-23

1 U3 MT29F2G008AACWP 256Mx8bits NAND Flash memory TSSOP-48

1 Q1 Si2301BDS P-Channel low Vgs & Rds(on) FET transistor SOT-23

1 2 ... 23 24 25 26 27 28 29 30

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