Renesas PCA7429G02 Información técnica descargar pdf (Pagina 130)

127

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER

and ON-SCREEN DISPLAY CONTROLLER

M37272M6/M8–XXXSP/FP, M37272MA–XXXSP

M37272E8SP/FP, M37272EFSP

MITSUBISHI MICROCOMPUTERS

Rev. 1.3

0 : “ ” at even field

“ ” at odd field

1 : “ ” at even field

“ ” at odd field

b7 b6 b5 b4 b3 b2 b1 b0

I/O polarity control register (PC) [Address 00D8

]

B Name Functions

After reset

I/O Polarity Control Register

SYNC

input polarity

switch bit (PC0)

0 : Positive polarity input

1 : Negative polarity input

0 : Positive polarity input

1 : Negative polarity input

2 R, G, B output polarity

switch bit (PC2)

0 : Positive polarity output

1 : Negative polarity output

3 OUT1 output polarity

switch bit (PC3)

0 : Positive polarity output

1 : Negative polarity output

4 OUT2 output polarity

switch bit (PC4)

0 : Positive polarity output

1 : Negative polarity output

5 Display dot line selection

bit (PC5) (See note)

6 Field determination flag

(PC6)

0 : Even field

1 : Odd field

SYNC

input polarity

switch bit (PC1)

R—

RWFix this bit to “0.”

Note: Refer to the corresponding figure (8.11.14).

Address 00D916

Address 00D816

b7 b6 b5b4 b3 b2b1 b0

Raster color register (RC) [Address 00D9

]

B Name

Functions

After reset

Raster Color Register

0 Raster color R

control bit (RC0)

0 : No output

1 : Output

Raster color G

control bit (RC1)

0 : No output

1 : Output

0 : No output

1 : Output

4 Raster color OUT2

control bit (RC4)

Raster color B

control bit (RC2)

0 : No output

1 : Output

Raster color OUT1

control bit (RC3)

5, 6

0 : No output

1 : Output

Fix these bits to “0.”

0RW

Note: Either OSD clock source or 32 kHz oscillating clock is

selected by bits 5 and 6 of the OSD control register.

Port function

selection bit (RC7)

0 : OSC1/X

CIN

OSC2/X

COUT

1 : P2

, P2

1 2 ... 125 126 127 128 129 130 131 132 133 134 135 ... 144 145

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