On-screen display, Bit register 2 storing field counter value, Bit register 1 storing field counter value – Lucent Technologies MN10285K User Manual

Page 208: Frmon: field register monitor, Eomon: even/odd field monitor, Freg[23:20]: field register, Freg[13:10]: field register, Hcount: hsync count x’007f0c

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On-Screen Display

OSD Registers

MN102H75K/F75K/85K/F85K LSI User Manual

Panasonic Semiconductor Development Company

207

Panasonic

CIVSZ[1:0]: Text initial vertical size

CIVP[9:0]: Text initial vertical position

EVOD: Display Start Field Control Register

x’007F0E’

EOSEL: Even/odd field select

0: Select the smaller counter value as the display start field
1: Select the larger counter value as the display start field

FRMON: Field register monitor

Monitors which field register (FREG) loaded the counter value on the

leading edge of VSYNC.

0: Loaded to FREG[23:20]

1: Loaded to FREG[13:10]

EOMON: Even/odd field monitor

Set between display fields.

0: No display start field detected

1: Display start field detected

FREG[23:20]: Field register

4-bit register 2 storing field counter value.

FREG[13:10]: Field register

4-bit register 1 storing field counter value.

HCOUNT: HSYNC count

x’007F0C’

This register holds the HSYNC count, which indicates the vertical display

position. It is cleared to 0 on the leading edge of VSYNC.

Table 7-18 Text Vertical Size Settings

CIVSZ[1:0]

Setting

1 Dot Size

Interlaced Displays

Progressive Displays

00

1 H scan line

Reserved

01

2 H scan lines

1 H scan line

10

4 H scan lines

2 H scan lines

11

6 H scan lines

3 H scan lines

Bit:

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

EO

SEL

FR

MON

EO

MON

FREG

23

FREG

22

FREG

21

FREG

20

FREG

13

FREG

12

FREG

11

FREG

10

Reset:

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

R/W:

R

R

R

R

R

R/W

R

R

R

R

R

R

R

R

R

R

Bit:

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

HCNT

9

HCNT

8

HCNT

7

HCNT

6

HCNT

5

HCNT

4

HCNT

3

HCNT

2

HCNT

1

HCNT

0

Reset:

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

R/W:

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

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