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STR-K880/K900<br />
44<br />
LED1<br />
LED2<br />
LED3<br />
LED4<br />
OSC<br />
DOUT<br />
DIN<br />
CLK<br />
STB<br />
KEY1<br />
KEY2<br />
IC100 PT6315<br />
1<br />
2<br />
3<br />
4<br />
5<br />
6<br />
7<br />
8<br />
9<br />
10<br />
11<br />
– HDMI Board –<br />
4-bit latch<br />
12 13 14 15 16 17 18 19 20 21 22<br />
VSS<br />
OSC<br />
Serial<br />
interface<br />
VDD<br />
VSS<br />
44<br />
VDD<br />
IC5005 SN74LVC1G3157DCKR<br />
B2<br />
GND<br />
B1<br />
1<br />
2<br />
3<br />
43<br />
6<br />
5<br />
42<br />
41<br />
Grid driver<br />
Command decoder<br />
Display memory<br />
24 bits x 12 words<br />
Timing generator<br />
key scan<br />
Key data memory<br />
(2 x 16 bits)<br />
S<br />
VCC<br />
4 A<br />
GRID1<br />
GRID2<br />
GRID3<br />
40<br />
GRID4<br />
39<br />
SEG1/KS1<br />
12-bit shift register<br />
24-bit output latch<br />
SEG2/KS2<br />
SEG3/KS3<br />
SEG24/GRID5<br />
38<br />
Data selector<br />
SEG4/KS4<br />
SEG23/GRID6<br />
37<br />
SEG5/KS5<br />
36<br />
35<br />
Multiplexed driver<br />
SEG6/KS6<br />
SEG22/GRID7<br />
segment driver<br />
SEG7/KS7<br />
SEG21/GRID8<br />
SEG8/KS8<br />
SEG20/GRID9<br />
34<br />
SEG9/KS9<br />
33<br />
32<br />
31<br />
30<br />
29<br />
28<br />
27<br />
26<br />
25<br />
24<br />
23<br />
SEG19/GRID10<br />
SEG18/GRID11<br />
SEG17/GRID12<br />
VEE<br />
SEG16/KS16<br />
SEG15/KS15<br />
SEG14/KS14<br />
SEG13/KS13<br />
SEG12/KS12<br />
SEG11/KS11<br />
SEG10/KS10
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