TMP88CS38 datasheet(150/226 Pages) TOSHIBA

150 / 226 page

TMP88CS38/CM38A/CP38A

2007-09-12

88CS38-150

2.15.5

OSD Function

2.15.5.1 Signal Control (Port I/O)

(1) P6 port output select function

This function is used to select whether the contents of port P57, P67 to P64 will

be output or I, R, G, B, Y/BL signals of the OSD circuit will be output on pins P57,

P67 to P64.

P57 port output select registers (1 bit): PIDS (Bit3 in ORP6S)

PIDS

= 0

PIDS

= 1

P57

Port

P67 to P64 port output select registers (4 bits): P67S, P66S, P65S, P64S, (Bit7 to

4 in ORP6S)

P6nS

= 0

P6nS

= 1

P64

P65

P66

P67

Y/BL

Port

(2) OSD pin output polarity control function

This function is used to select the polarity of the OSD outputs for RGB, I and

Y/BL.

Output polarity control register (4 bits) ...... BLIV, YIV, RGBIV, IIV (Bit3 to 0 in

ORIV)

“0”

.... Active high

“1”

.... Active low

(3) OSD pin input polarity control

Input polarity control

Input polarity control register of RIN/GIN/BIN/Y/BLIN (2 bits)

For Y/BLIN ................................... YBLII (Bit5 in ORIV)

For RIN, GIN, and BIN ............... RGBII (Bit4 in ORIV)

Input polarity control

YBLII,

RGBII

“0”

...

Active high

“1”

...

Active low

Input polarity control register of HD / VD (2 bits)

For VD ............ VDPOL (Bit7 in ORIV)

For HD ........... HDPOL (Bit6 in ORIV)

Input polarity control

VDPOL, HDPOL

“0”

.........

Not invert input signal

“1”

.........

Invert input signal

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