akira LCT-17CHST, Руководство по обслуживанию

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Model No.: LCT17CHST.doc
Version: 1.0
1. MST518 High Integration Chip
:
MST518 is a high performance
、
high integration image processor which is
designed for LCD, it can support SXGA format (1280*1024).it integrates a
group of AD converter
、
high quality format transform system
、
OSD generator
、
output clock generator
、
multiple format output display interface (support TTL
、
LVDS
、
RSDS)
MST518 feature:
z Have high quality Expand transform and compress transform, can
output XGA format signal
z Integrated LVDS circuit inside
z 8 bit high quality ADC inside
z
Double VGA input, Software switch
z Support ITU-656 format signal input
z Support H/V sync
、
composite sync
、
green composite sync input, and
detect automatically by itself
z Programmable 10 bit Gamma correct, the brightness and contrast is
adjustable
z 8 color
、
256 Character OSD
z Built-in DDC circuit inside
z Low standby power
Support TTL
、
double LVDS signal output, Software switch
MST518 Pin Function
:
Pin Definition Pin Function
CPU Interface
33 HWRESET
Hardware reset
，
high voltage enable
82 Chip select signal of three-wire serial bus
83 data signal of three-wire serial bus
84 SCL clock signal of three-wire serial bus
85 INT interrupt
98-91 AD [7:0]
Parallel bus ， the chassis is not used
125 BUSTYPE Bus type select
Analog Interface
38
HSYNC0 Analog Horizontal sync signal input channel 0
39 VSYNC0 Analog vertical sync signal input channel 0
40 HSYNC1 Analog Horizontal sync signal input channel 1
41 VSYNC1 Analog vertical sync signal input channel 1
78 RMID Scalar internal reference. voltage
79 REFP internal ADC decouple ＋
80 REFM internal ADC decouple
－
75 RIN0 Analog red signal input channel 0
74 RIN0M
Analog red signal input channel 0 re-grounding
voltage
73 SOGIN0 Green sync signal input channel 0
72 GIN0 Analog green signal input channel 0
71 GIN0M
Analog green signal input channel 0
re-grounding voltage
70 BIN0 Analog blue signal input channel 0
69 BIN0M
Analog blue signal input channel 0
re-grounding voltage