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AT91EB55 Folha de dados(PDF) 33 Page - ATMEL Corporation

Nome de Peças AT91EB55
Descrição Electrónicos  AT91EB55 Evaluation Board
PDF  37 Pages
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Fabricante Electrônico  ATMEL [ATMEL Corporation]
Página de início  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT91EB55 Folha de dados(HTML) 33 Page - ATMEL Corporation

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Appendix C – Bill of Material
AT91EB55 Evaluation Board User Guide
7-3
Notes:
1. If the AT49BV1614 is replaced with the AT49BV1604, the jumper must be connected.
2. The EB55 is equipped with SRAM U2/U3 or U4/U5 (the difference lies in case type
only). The choice is made according to availability.
41
16
R22, R42, R43, R44,
R45, R46, R48, R52,
R53, R54
100K
Resistor 5%
42
4
SW1, SW2, SW3,
SW4
TP 33
Push button with black
cabochon
43
1
SW5
TP 33
Push button with red cabochon
44
2
S1, S2
Push Button
CMS Push button
45
4
TP1, TP2, TP3, TP4
Test Point Corner
CMS Test point
46
1
U1
AT49BV1614-90TC
Flash 2M bytes x 16-bits
47
(2)
1
U4, U5
IDT71V124SA15PH
Static memory: 128k x 8-15 ns
(double implantation)
48
1
U6
74LVC04AD
Reverser (LVC serial)
49
1
U8
74LV244D
Buffer
50
1
U9
74LV125D
Tri-state buffer
51
1
U10
MAX3223ECAP
Driver RS232 + ESD "E"
52
1
U12
AT91M55800A
Microcontroller
53
1
U13
LM61BIM3
Temperature sensor
54
2
U14, U15
REF192GS
Reference of voltage 2V5
±0.5%
55
1
U16
74LVC74AD
D flip flop (LVC serial)
56
1
U30
74LCX74
D Flip Flop (LCX serial)
57
2
U17, U18
MAX6315US27D1-
T
Circuit LVD-reset. (Threshold
2.7V; Timeout = 1 ms)
58
1
U19
LT 1507CS8-3.3
Voltage Regulator DC/DC
59
1
U20
LTC 1503CS8-2
Voltage Regulator DC/DC
60
4
U21
AT45DB321-TC
Serial DataFlash (wired
according to availability)
61
1
U23
AT24C512W1-
10SC-2.7
EEPROM 64K bytes
62
2
U27, U29
74LV138D
Decoder (3 to 8)
63
1
U28
AT25256W-10SC-
2.7
EEPROM 32K bytes
64
1
Y2
Crystal 32768 kHz
Crystal 32768 kHz, ±20 ppm at
25
°C
65
1
Y4
Crystal 16 MHz
Crystal 16 MHz, ±30ppm at
25
°c
66
4
PS1, PS2, PS3, PS4
Board Support
Plastic bases H > 10mm
Table 1. Bill of Material (Continued)
Item
Qty
Reference
Part
Designation



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