Samsung S3C6400X User Manual page 388

DISPLAY CONTROLLER
LDI_CMD0 0x1, LDI_CMD1
LDI_CMD3 0x8f, LDI_CMD4
CMD0_EN 0x2, CMD1_EN
CMD3_EN 0x2, CMD4_EN
CMD0_RS 0x1, CMD1_RS
CMD3_RS 0x0, CMD4_RS
AUTO_CMD_RATE 0x5
Note: 1). For RS polarity, refer to your LDI specification.
2) LDI_CMD need not to be packed from LDI_CMD0 to LDI_CMD11 contiguously. For example, only the
use of LDI_CMD0, LDI_CMD3 and LDI_CMD11 is possible.
3) Maximum 12 auto commands are available.
Normal Command
Setting commands in LDI_CMD0 ~ 11
Setting 0x1 for CMD0_EN ~ CMD11_EN
Set NORMAL_CMD_ST
Display Controller has the following miscellaneous traits for command operations.
Auto / Normal / Auto and Normal command mode is possible for each 12 commands
Display Controller can send 12 maximum commands between frames in its normal operation (Normal operation
means ENVID=1 and video data are displayed in LCD panel)
Commands are issued in the order of CMD0
Disabled commands (CMDx_EN = 0x0) are skipped
Sending over 12 commands
It is only possible in normal command and suitable in system initialization.
Setting 12 LDI_CMDx, CMDx_EN, CMDx_RS
Set NORMAL_CMD_ST
Read NORMAL_CMD_ST with polling. If 0, go to step 'a'
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
14-26
Specifications and information herein are subject to change without notice.
0x32, LDI_CMD2 0x2,
0x4, LDI_CMD5 0x99
0x2, CMD2_EN 0x2,
0x2, CMD5_EN 0x2
0x0, CMD2_RS 0x1,
0x1, CMD5_RS 0x0
CMD1
S3C6400X RISC MICROPROCESSOR
CMD2 CMD3 ..... CMD10 CMD11