DMD芯片介绍
DMD控制过程:
-
设置DMD Cell对应的CMOS为0/1,然后用MBRST来触发DMD Cell翻转,0对应-12C, 1对应12C。
-
怎么设置对应的CMOS(寻址方式)
-
MBRST控制(Block/行): Sel[1:0]选择Vbias, Voffset, Vreset电平。MBRST可以来自于DLPC,也可以来自于DLPA200 & DLPA300.
VBIAS (19 to 28 V), VRESET(–19 to –28 V), and VOFFSET (4.5 to 10 V) -

-
Block旋转:Mode[1:0]旋转1,2,4 & All Block output
1, Block diagram

8. 信号介绍

2.1, LS interface: LD_Data_P/N(i), LD_CLK_P/N(i), LS_RDATA_A_BIST(O)
2.2, 视频信号: HSSI(High speed serial interface)
High speed Differential Data pair lan A0~7 P/N, High speed Differential Clock A
High speed Differential Data pair lan B0~7 P/N, High speed Differential Clock B
2.3, Temp (I): Temp_P/N
2.4, MicroMirror驱动电压 for A & B: Vreset X2, Vbias X2, VoffsetX2
2.5, Power: VDD, Digital core power supply, VDDA, HSSI supply power. VSS, VSSA
2.6, BIST_B(O), AMUX_OUT(O), DMD_DEN_ARSTZ(I)
- Pin’s package

- Application

micromirror reset signals (MBRST), -17.5V~21.5, revert micro mirror. Some DMD direct drive with digital signal with Voffset ,Vreset, Vbias voltage power DMD; Some DMD need use special DLPA200, 300 drive DMD.
? Control light source power in real time?
each micromirror to display four distinct pixels on the screen?
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