Pin configuration

STCCP27A

6/19

Table 2.

Main function table

Z = High Impedance, L = Low Voltage Level, H = High Voltage Level, X = Don’t care

Table 3.

Input

Output

Function

Enable SYNC_SEL

D+

D-

CLK+ CLK-

V-SYNC

H-SYNC

D1-D8

CLK

L

X

XX

XX

L

L

L

L

CCP disabled

HH

H

See detailed

timing diagram

Start of frame

H

H

L

L

End of frame

HH

No change

H

Start of line

HH

No change

L

End of line

H

L

XX

XX

L

L

D+, D-

See

detailed

timing

diagram

Disabledsync

(D1-D8 will get out

data, including

sync code)

Enable

I/O Input

Function

XL

L

XOpen

Open

Figure 5.

Frame structure In VGA case (allowed synchronization codes sequence)