ST92185B STMicroelectronics, ST92185B Datasheet - Page 125

• Manufacturer Part Number: ST92185B
• Description: 16k/24k/32k Rom Hcmos Mcu With On-screen-display
• Manufacturer: STMicroelectronics

ON SCREEN DISPLAY (Cont’d)
CURSOR HORIZONTAL POSITION REGISTER
(CHPOSR)
R246 - Read/Write
Register Page: 32
Reset Value: 0000 0000 (00h)
Bit 7 = Reserved.
Bit 6:0 = CHP[6:0]: Cursor Horizontal Position .
The cursor is positioned by character.
CHP= 0 points to the first character
CHP= 39d points to the end of the row (single
page display)
CHP= 79d points to the last character in the row
(double page display)
CURSOR VERTICAL POSITION REGISTER
(CVPOSR)
R247 - Read/Write
Register Page: 32
Reset Value: 0000 0000 (00h)
Bit 7 = FON: "Flash On" flag bit.
The FON bit remains at "0" during 32 consecutive
FON
7
0
7
CHP6 CHP5 CHP4 CHP3 CHP2 CHP1 CHP0
CM1
CM0
CVP4 CVP3 CVP2 CVP1 CVP0
0
0
TV fields followed by a "1" state during the 16 next
TV fields. This flag provides a 1Hz time reference
for an easy software control of all flashing effects
(assuming a 50 Hz TV signal, the FON total period
will be 0.96 seconds).
This bit is READ ONLY. Trying to write any value
will have no effect.
Bit 6:5 = CM[1:0]: Cursor Mode control bits .
Bit 4:0 = CVP[4:0]: Cursor Vertical Position .
The cursor is positioned by row. The cursor is al-
ways single size.
CVP= 0 locates the cursor on the Header row
CVP= 25d locates the cursor on the last Status
row.
ST92185B - ON SCREEN DISPLAY (OSD)
CM1 CM0
0
0
1
1
0
1
0
1
Cursor Disable
Static Cursor (inverted foreground & invert-
ed background colours)
Flash Cursor (flash from current to inverted
colours & vice versa)
Cursor done with Underline (use of current
foreground color)
Cursor Mode
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