ADE3800SXL 데이터 시트보기 (PDF) - STMicroelectronics

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ADE3800SXL

Analog LCD Display Engine for XGA and SXGA Resolutions with Embedded LVDS and RSDS Transmitters

STMicroelectronics 

ADE3800

Register Description by Block

Register Name

SMEAS_STATUS_MASKa

SMEAS_H_NUM_LINES

SMEAS_H_SKIP_L

SMEAS_H_SKIP_U

SMEAS_HV_SKEWb

SMEAS_XK_HTOL_EXP

SMEAS_XK_VTOL_EXP

SMEAS_HSYNC_VTOL

SMEAS_FASTMU_CTRL

SMEAS_POL

SMEAS_FASTMU_TOL

Table 17: SMEAS Register Definitions (Sheet 4 of 6)

Addr Mode Bits Rst

Description

0119 R/W

R/W

R/W

R/W

R/W

R/W

R/W

011A R/W

011B R/W

011C R/W

011D R

012C R/W

012D R/W

012E R/W

0130 R/W

R/W

R/W

0131 R

R

0134 R/W

[7]

00 Enable mute function to respond to

SMEAS_STATUS_RANGE[6] (hpol).

[6]

Enable mute function to respond to

SMEAS_STATUS_RANGE[5] (vpol).

[4]

Enable mute function to respond to

SMEAS_STATUS_RANGE[4] (fastmute).

[3]

Enable mute function to respond to

SMEAS_STATUS_RANGE[3] (xpervhi).

[2]

Enable mute function to respond to

SMEAS_STATUS_RANGE[2] (hperv).

[1]

Enable mute function to respond to

SMEAS_STATUS_RANGE[1] (xperh).

[0]

Enable mute function to respond to

SMEAS_STATUS_RANGE[0] (xperv).

[7:0] 00 Number of lines to measure for Horizontal period per Xclks,

actual value = programmed value +1. Range 1 – 256.

Provides for a more accurate measurement.

[7:0] 00 Number of horizontal reference edges to skip from selected

vertical reference edge before starting horizontal

measurement.

[3:0] 00

[7:0]

Returns the minimum number of xclks between edges of the

selected hsync and vsync. Does not care about polarity.

Free running, updates once per frame.

[3:0] 00 Horizontal tolerance value. +/- 2^n xclks, n=[0..15]

[3:0] 00 Vertical tolerance value. +/- 2^n xclks, xk_v_high counter use

this tolerance value as well. n=[0..15]

[3:0] 00 Horizontal per Vertical tolerance value.

+/-n H(rising,falling) per V(rising,falling)

[6:5] 00 fastmute coast

0*: llk coast (normal)

1: inverted venab

2, 3: no coast (always active)

[2:1]

error count

0*: first error sets fastmute flag

1: two errors in a row needed to set fastmute

2: three errors in a row needed to set fastmute

3: reserved

[0]

fastmute enable

[1]

Horizontal polarity

0: active low (-), 1 = active high (+)

[0]

Vertical polarity

0: active low (-), 1 = active high (+)

[3:0] 00 Tolerance for fast mute check +/-n xclks, n=[0..15]

41/138

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