MTV121 データシートの表示（PDF） - Myson Century Inc
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MTV121 Datasheet PDF : 18 Pages
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MYSON
TECHNOLOGY
MTV121
The initial value is 0 after power up.
DWE - Enable double width. When the bit is set to “1”, the display of OSD menu can change to half resolution
for double character width, and then the number of pixels of each line should be even. The initial value
is 0 after power up.
HSP -
VSP -
= 1 ⇒ Accept positive polarity Hsync input.
= 0 ⇒ Accept negative polarity Hsync input.
= 1 ⇒ Accept positive polarity Vsync input.
= 0 ⇒ Accept negative polarity Vsync input.
PWM1, PWM0 - Select the PWMCK output frequency.
= (0, 0) ⇒ XIN frequency /8
= (0, 1) ⇒ XIN frequency /4
= (1, 0) ⇒ XIN frequency /2
= (1, 1) ⇒ XIN frequency /1
The initial value is (0, 0) after power up.
Notes : When XIN is not present, dont’ write data in any address. If data is written in any other address, a
malfunction may occur.
TABLE 5. PWMCK Frequency and PWMDA sampling rate
(PWM1, PWM0)
( 0, 0 )
( 0, 1 )
( 1, 0 )
( 1 ,1 )
PWMCK Freq
XIN frequency /8
XIN frequency /4
XIN frequency /2
XIN frequency /1
PWMDA sampling rate
XIN frequency /(8 * 256)
XIN frequency /(4 * 256)
XIN frequency /(2 * 256)
XIN frequency /(1 * 256)
B7
b6
b5
b4
b3
b2
b1
b0
Column 19
-
WSR WSG WSB
-
CSR CSG CSB
WSR, WSG, WSB - Define the color of shadowing on windows. The initial value is (0, 0, 0) after power up.
CSR, CSG, CSB - Define the color of bordering or shadowing on characters. The initial value is (0, 0, 0) after
power up.
B7
b6
b5
b4
b3
b2
b1
b0
Column 20
-
-
-
-
-
-
- CFONT
CFONT - Enable 16 multi-color fonts.
= 0 ⇒ Character address 240 to 255 are connected to standard ROM fonts.
= 1 ⇒ Character address 240 to 255 are connected to 16 multi-color ROM fonts.
The initial value is 0 after power up.
B7
b6
b5
b4
b3
b2
b1
b0
Column 21 WW41 WW40 WW31 WW30 WW21 WW20 WW11 WW10
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MTV121 Revision 5.0 06/29/1999
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