ADE3800SXL View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ADE3800SXL

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

STMicroelectronics 

Register Description by Block

ADE3800

Note:

Timeout and Tolerance use Horizontal and Vertical measurements. These can either be the

Horizontal or Vertical syncs from an Analog input or the local generated Horizontal Enable and/or

Vertical Enable.

Table 17: SMEAS Register Definitions (Sheet 1 of 6)

Register Name

Addr Mode Bits Rst

Description

SMEAS_ACT_CTRL

0100 R/W

R/W

R/W

R/W

SMEAS_ACT_H_SMPTM_L 0101 R/W

SMEAS_ACT_H_SMPTM_U 0102 R/W

SMEAS_ACT_V_SMPTM_L 0103 R/W

SMEAS_ACT_V_SMPTM_U 0104 R/W

SMEAS_ACT_H_MINEDGE 0105 R/W

SMEAS_ACT_V_MINEDGE 0106 R/W

SMEAS_H_TMOT_L

0107 R/W

SMEAS_H_TMOT_U

SMEAS_V_TMOT_L

0108 R/W

0109 R/W

SMEAS_V_TMOT_U

SMEAS_CLEAR

010A R/W

0110 R/W

[3]

00 Free-run enable

[2]

Freeze results during free run mode. No meaning in one shot

mode.

0*: Do not freeze. New result will be available on the next and

subsequent toggle of the polling bit.

1: Freeze the current results. The polling bit will still toggle

and the block continues to free run; however, results will not

update.

[1]

Activity detection start.

In one-shot mode setting this bit triggers the start of a

measurement. This bit is reset to zero when the

measurement is complete. No meaning in free run mode.

[0]

Activity detection mode.

0*: free-run mode

1: one-shot mode

[7:0] 00 Sample period value for clock or HSync activity. Xclks [7:0]

[7:0] 00 Sample period value for clock or HSync activity. Xclks [15:8]

[7:0] 00 Sample period value for vsync activity. Xclks / 256 [7:0]

[7:0] 00 Sample period value for vsync activity. Xclks / 256 [15:8]

[7:0] 00 Minimum edge count value for clk or HSync activity.

[7:0] 00 Minimum edge count value for vsync activity.

[7:0] 00 Timeout counter value for clk or horizontal measurement.

xclks [7:0]

[7:0] 00 Timeout counter value for clk or horizontal measurement.

xclks [15:8]

[7:0] 00 Timeout counter value for vertical measurement. xclks / 256

[7:0]

[7:0] 00 Timeout counter value for vertical measurement. xclks / 256

[15:8]

[1]

00 clears SMEAS_STATUS_RANGE[7] sticky bit only.

Must be reset by software.

[0]

clears timeouts, measurements.

Must be reset by software.

38/138

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