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PRELIMINARY
S3C6400X RISC MICROPROCESSOR
DISPLAY
CONTROLLER
14-27
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
Command Setting Example)
** CMD0_EN = 2’b10, CMD1_EN = 2’b11, CMD2_EN = 2’b01, CMD3_EN = 2’b11, CMD4_EN = 2’b01
(Auto Command : CMD0, CMD1, CMD3, Normal Command : CMD1, CMD2, CMD3, CMD4)
** AUTO_COMMAND_RATE = 4’b0010 (per 4 frames)
** CMD0_RS = 1, CMD1_RS = 1, CMD2_RS = 0, CMD3_RS = 1, CMD4_RS = 0
** RSPOL = 0
Figure 14-6. Sending Command
I80 CPU Interface Trigger
VTIME_I80 starts its operation only when a S/W trigger occurs. There are two kinds of triggers.
S/W trigger is generated by setting SW_CPUSTTRIG SFR.
Interrupt
Frame Done Interrupt is generated at the completion of one frame.
1. Auto Command
C0
VD[17:0]
NORMAL_CMD_START (SFR)
VD[17:0]
pending
C1 C3
C0 C1 C3
RS
2. Normal Command
ENVIDS
auto clear
auto clear
F(n)
F(n+1)
F(n+2)
F(n+3)
F(n+4)
F(n+5)
F(n+6)
F(n+7)
F(n+8)
F(n+9)
C4
C3
C2
C1
F(m)
C4
C3
C2
C1
F(n)
F(n+1)
…
RS
F(m+1)