Atmel AT91EB55, User Manual

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Appendix C – Bill of Material
AT91EB55 Evaluation Board User Guide 7-3
1709C–ATARM–28-Apr-05
Note: 1. 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.
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 AT49BV162A-70TI Flash 2M bytes x 16-bits
47
(1)
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 7-1. Bill of Material (Continued)
Item Qty Reference Part Designation