PCB8517 Просмотр технического описания (PDF) - Philips Electronics

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PCB8517

Stand-alone OSD for monitor applications

Philips Electronics 

Philips Semiconductors

Stand-alone OSD for monitor applications

Objective specification

PCB8517

Table 21 The repeat line of character

CH5 to CH0

LINE NUMBER(1)

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

CH0 = 1

CH1 = 1

CH2 = 1

CH4 = 1

CH5 and CH4 = 0X

CH5 and CH4 = 10

CH5 and CH4 = 11

−−−−−−−−V−−−−−−−

−−−−V−−−−−−−V−−−

−−V−−−V−−−V−−−V−

−V−V−V−V−V−V−V−V

all sixteen lines scanned once

all sixteen lines scanned twice

all sixteen lines scanned three times

Note

1. V indicates which line of the character will be repeated one more time.

Table 22 Column 12 of row 10

BIT 7

OSDEN

BIT 6

BSEN

BIT 5

SHSE

DATA BYTE

BIT 4

BIT 3

BIT 2

reserved

BIT 1

BIT 0

FBC

Table 23 Explanation of Table 22

BIT

NAME

DESCRIPTION

7

OSDEN The OSD circuit is active when this bit is set to logic 1. The outputs of R, G, B and FB

will be high impedance when OSD is disabled.

6

BSEN The bordering or shadowing effect is enabled when this bit is set to logic 1.

5

SHSE The shadowing of characters is selected if this bit is set to logic 1, otherwise bordering

of characters is chosen.

0

FBC

This bit defines the output configuration of the FB pin. If this bit is set to logic 0, then the

output of FB will be logic HIGH when displaying character or window, otherwise the

output of FB is logic HIGH only when displaying characters.

1997 Mar 03

11

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