ADE3800XT View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ADE3800XT

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

STMicroelectronics 

ADE3800

Register Name

SMEAS_H_CTRL

SMEAS_V_CTRL

Register Description by Block

Table 17: SMEAS Register Definitions (Sheet 2 of 6)

Addr Mode Bits Rst

Description

0111 R/W

[5]

00 Measures HSync in the condition of no VSync

R/W

[4]

Free-run enable

R/W

[3]

Edge measurement selection for horizontal period events.

0*: rising edge.

1: negative edge.

R/W

[2]

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

mode.

0*: Do not freeze the results in free run mode. New results

will be available on the next and subsequent toggle of the

polling bit.

1: Freeze the current results in free run mode. The polling bit

will still toggle and the block continues to free run; however,

results will not update.

R/W

[1]

In free-run mode it enables measurements. In one-shot mode

it triggers the start of a measurement and is reset to zero

when the measurement is complete.

R/W

[0]

0*: free-run mode.

1: one-shot mode.

0112 R/W

[4]

00 Free-run enable

R/W

[3]

Edge measurement selection for vertical period events.

0*: rising edge.

1: negative edge.

R/W

[2]

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

mode.

0*: Do not freeze the results in free run mode. New result will

be available on the next and subsequent toggle of the polling

bit.

1: Freeze the current results in free run mode. The polling bit

will still toggle and the block continues to free run; however,

results will not update.

R/W

[1]

In free-run mode it enables measurements. In one-shot mode

it triggers the start of a measurement and is reset to zero

when the measurement is complete.

R/W

[0]

0*: free-run mode.

1: one-shot mode.

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