LG S90QY - Crystal; Flash Memory; Waveforms of Major Check Point

4-6
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Only for training and service purposes.
WAVEFORMS OF MAJOR CHECK POINT
1. CRYSTAL
1
WR786
1M
WC702
8pF
WR787
2.2K
WC701
8pF
DGND
WX700
24.576MHz
1
IN/OUT
2
FLOAT
3
IN/OUT
4
FLOAT
DGND
FIG 1. WX700
24.576 MHz
1
2. FLASH MEMORY
5
4
2
3
SPI_CS
+3.3VA
WIC702
EAN63127201
1
CS#
2
SO/SIO1
3
WP#/SIO2
4
GND
5
SI/SIO0
6
SCLK
7
NC/SIO3
8
VCC
WR728
10K
WC723
100nF
SPI_WP
WR729
10K
SPI_DO
DGND
DGND
SPI_DI
SPI_CLK
FIG 2. VCC, CS#, CLK, DO
2
3
4
5