Download GPL162002A/162003A Programming Guide

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GPL162002A/162003A Programming Guide
r1 = [P_LCD_Ctrl]
r1 = r1 & (~0x2000)
// Clear LCDEN bit to 0
[P_LCD_Ctrl] =r1
call F_DelayOneFrameInterval
// Delay one frame interval
……
// Fill palette from 0x7A00 to 0x7AFF
r1 = [P_LCD_Ctrl]
r1 = r1 | (0x2000)
// Set LCDEN bit to 1
[P_LCD_Ctrl] =r1
retf
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Note that palette can be modified ONLY when LCDEN control bit is cleared to 0 (P_LCD_Ctrl.bit13=0).
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© Generalplus Technology Inc.
PAGE 129
V1.0 – Dec. 20, 2006