Renesas PROM Programming Adapter PCA7408 Manual do Utilizador descarregar pdf (Página 57)

M37221M4H/M6H/M8H/MAH–XXXSP/FP M37221EASP/FP

Rev.1.00 Oct 01, 2002 page 57 of 110

REJ03B0134-0100Z

Fig. 8.11.3 OSD Control Register

b7 b6 b5 b4 b3 b2 b1 b0

OSD control register (CC) [Address 00EA

]

B Name

Functions After reset R

OSD Control Register

All-blocks display control

bit (CC0) (See note)

0 : All-blocks display off

1 : All-blocks display on

1 Block 1 display control bit

(CC1)

0 : Block 1 display off

1 : Block 1 display on

0 : Block 2 display off

1 : Block 2 display on

Note: Display is controlled by logical product (AND) between the all-blocks display

control bit and each block control bit.

Nothing is assigned. These bits are write disable bits.

When these bits are read out, the values are “0.”

Block 2 display control bit

(CC2)

R—

0 : P1

1 : OUT2

/OUT2 pin switch bit

(CC7)

1 2 ... 52 53 54 55 56 57 58 59 60 61 62 ... 111 112

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Renesas PROM Programming Adapter PCA7408 Manual do Utilizador Página 57