Amazon Dash Button Chip Markings
================================

Matthew Petroff (https://mpetroff.net/), May 2015
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MP1 (InvenSense INMP441 microphone):
441
NL0430

U1 (QFN package):
BRS
51W
Z13R

DS1 (RGB LEDs)

U8 (in CSP):
AE
3A

Y1 (26MHz crystal for microcontroller):
2600P
E4ZJ2

U9 (Broadcom BCM43362 Wi-Fi module):
DataMatrix Barcode: 85016005370115011800182003
850101
537

U5 (ST STM32F205 microcontroller in WLCSP):
F205RG6
8NFV3VG
SGP441X
ST logo, e1 in circle

U7 (in CSP; probably a 32.768kHz oscillator):
A7
4A

U10:
unpopulated

U6 (Micron M25P16 16Mbit serial Flash memory in UFDFPN8 package):
25P16
B4294

U11:
unpopulated


Some sort of power regulation system?

U12 (in CSP):
47N
HC

U13 (in CSP):
51N
HV

U3 (in CSP):
512HSN

U4 (in CSP):
4AN
HT