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R61509V Target Spec
Rev. 0.11 April 25, 2008, page 66 of 181
Frame Marker Control (R090h)
FMI[2:0]: Sets FMARK output interval by FMI register setting according to the update period of display
data and transfer rate. Set FMKM = 1 if FMARK signal is output from FMARK pin. See “FMARK
Interface” for detail.
Table 38
FMI[2] FMI[1] FMI[0] Output interval
0 0 0 1 frame
0 0 1 2 frames
0 1 1 4 frames
1 0 1 6 frames
Other settings Setting inhibited
FMP[8:0]: Sets the output position of frame synchronous signal (frame marker). A pulse (FMARK) is
output by starting from back porch during a 1H period when FMP[8:0] = 9’h000 (high active, amplitude:
IOVCC1-GND). FMP[8:0] is used as a trigger signal for write operation in synchronization with frame.
Setting range: 9’h000
≤
FMP
≤
BP + NL + FP
For details, see “FMARK Interface”.
Table 39
R/W RS IB15 IB14 IB13 IB12 IB11 IB10 IB9 IB8 IB7 IB6 IB5 IB4 IB3 IB2 IB1 IB0
R/W 1
FM
KM
FMI
[2]
FMI
[1]
FMI
[0]
0 0 0
FMP
[8]
FMP
[7]
FMP
[6]
FMP
[5]
FMP
[4]
FMP
[3]
FMP
[2]
FMP
[1]
FMP
[0]
Default 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
FMP[8:0] FMARK output position
9’h000 0
9’h001 1
9’h002 2
：
9’h1BE 446
9’h1BF 447
9’h1C0 ~ 9’h1FF Setting inhibited