LGE
LG Electronics Inc.
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Flash Memory is used to store the program of the mobile station. Using the down-loading program,
the program can be changed even after the mobile station is fully assembled.
SRAM is used to store the internal flag information, call processing data, and timer data.
KEYPAD
For key recognition, key matrix is setup using KEY_SENSE0-4_N signals and GPIO 21,57-61 of
output ports of MSM6000. 10 LEDs and backlight circuitry are included in the keypad for easy
operation in the dark.
LCD MODULE
LCD module contains a controller which will display the information onto the LCD by 16-bit data
from the MSM6000. It is also supplied stable 2.85V_MSMP by inner regulator in U400 for fine view
angle and and LCD reflects to improve the display efficiency. 2 white LEDs are used to display LCD
backlight
Z3X-BOX.COM
Summary of Contents for ID2750
Page 33: ...DCN Mode Graph 4 2 1763 04MHz DCN384 Z 3 X B O X C O M ...
Page 37: ...Waveform DP101 Pin 7 Graph 4 3 c DP101 Pin2 Graph 4 4 c Z 3 X B O X C O M ...
Page 48: ...Circuit Diagram Z 3 X B O X C O M ...
Page 49: ...Figure 4 3 1 PMIC PM6610 FUNCTIONAL BLOCK DIAGRAM 4 3 Logic Part Trouble Z 3 X B O X C O M ...