Changhong Electric PT4206, Руководство по обслуживанию, Страница: 11 / 48

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35 GFBK GPort PLL Feedback / Line Advance Input
20 27 GRE0 GRE7 GPort Red Pixel Data input
10 15 18 19 GGE0
GGE7
GPort Green Pixel Data input
2 9 GBE0 GBE7 GPort Blue Pixel Data input
Display/Graphics Port Pin Descriptions
129 136
DGR0 DGR7 DGPort Red Pixel Data(odd outputs)
119 122
125 128
DGG0 DGG7 DGPort Green Pixel Data(odd outputs)
111 118 DGB0 DGB7 DGPort Blue Pixel Data(odd outputs)
Display Port Pin Descriptions
106 DCLK DPort Pixel Clock output
108 DVS DPort Vertical Sync output
109 DHS DPort Horizontal Sync output
110 DEN DPort Pixel Enable output
96 103 DR0 DR7 DPort Red Pixel Data(even outputs)
88 95 DR0 DR7 DPort Green Pixel Data(even outputs)
76 83 DB0 DB7 DPort Blue Pixel Data(even outputs)
Microprocessor Interface Pin Descriptions
194 WR Write Enable low indicates a write to external RAM or other
devices
195 RD Read Enable low indicates a read to external RAM or other
devices
196 ROMOE ROM Output Enable low output indi cates a read from
external ROM.
197 ROMWE ROM Write Enable low indicates a write to external ROM.
198 CS0 Chip select signal
199 CS1 Chip select signal
193 NMI Non-maskable Interrupt
164 173
184 187
192
A1 A19 Microprocessor address bus output bits
148 163 D0 D15 Microprocessor 16-bit bidirectional data bus
Peripheral Interface Pin Descriptions
207 PORTA0 DISPEN signal output(PDP display control)
206 PORTA1 READY signal input PDP display ready
205 PORTA2 SDA
204 PORTA3 SCL
203 PORTA4 IR receive signal input
201 PORTA6 DVI digital interface select control
203 PORTA4 IR receive signal input
57 58 60
64
PORTB0
PORTB7 Key control input
39 PORTC0 MA-EN enable control
40 PORTC1 480ISEL 480I anti-copy control
41 PORTC2 RST-1235 PW1235 reset
42 PORTC3 DIGSEL DVI digital interface select
43 PORTC4 LVDSON LVDS enable control
44 PORTC5 S0 sound system control
45 46 PORTC6
PORTC7
LED control
67 RXD Serial Receive Data
68 TXD Serial Transmit Data
Miscellaneous Pin Descriptions
142 TEST Test mode enable
139 RESET Bidirectional reset pin