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Schematics, Layout, BOM, and LCD
Table 4-4. eZ430-Chronos-868 and -915 Wrist Modules With Black PCBs, BOM List (continued)
Designator
Value
Tolerance
Footprint
Description
Manufacturer
MCU with ISM
U1
CC430F6137IRGC
QFN64
TI
Transceiver
U2
0896BM15A0001
896MHz Balun
Johanson
U3
CMA3000-D01
WLP
Acceleration Sensor SPI
VTI
U4
HKA5403Q-30
DIE
EL Driver
U5
SCP1000-D11
Pressure Sensor I2C
VTI
32.768kHz,
3.2 x 1.5
Y1
CL=12.5pF,
±20ppm
Crystal SMD
Microcrystal CC7V-T1A
mm
2
ESR
≤
80k
Ω
3.2 x 2.5
26MHz, CL=10pF,
Y2
±10ppm
Crystal SMD
Epson TSX3225-X1E000021014300
ESR
≤
40
Ω
mm
2
88
eZ430-Chronos Hardware
SLAU292F – November 2009 – Revised October 2013
Copyright © 2009–2013, Texas Instruments Incorporated