Specifications

CORE LOGIC Proprietary and Confidential
71
www.corelogic.co.kr │
d) LCD Windows/Parameter Setup
Set LCD Window Command/parameter in Register 0xC0-0xCF. The cycle of
each command and parameter is set in Register 0xB5[7:2] and ADS Polarity
is set in Register 0xB6.
e) LCD GRAM Start Address/Write Command Setup
Set GRAM start address and Write Command in Register 0xD0-0xD9. The
whole cycle is set in Register 0xB5[13:8] and ADS Polarity is set in Register
0xB7.
f) Examples of LCD Setup
Following table shows the examples that use HD66773, Hitachi LCD Driver.
- 16Bit Bus, 65K color.
- LCD Window/GRAM Write setup
LCD
Command/Parameter
Description ADS polarity
0x16 Horizontal RAM Address Position 0
X Parameter X End and X Start 1
0x17 Vertical RAM Address Position 0-
Y Parameter Y End and Y Start 1
0x21 RAM Address Set 0
GRAM start address GRAM X start, Y start address 1
0x22 0
Table 4-14. Example of LCD Setup
- Windows setup Cycle
4 Cycle (0x16, 0x17 Command and Parameter Write cycle)
- GRAM Start address/GRAM write setup Cycle
3 Cycle (0x21 and Parameter 0x22)