ADE3050 datasheet(34/88 Pages) STMICROELECTRONICS

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Sync Measurement Block

ADE3XXX

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SMEAS_V_CTRL

0x0112

[7]

0x0

Reserved

R/W

[6]

0x0

Enable Interlace Measurement

R/W

[5]

0x0

Measure odd frame from YUV only. Applies

only if the odd signal from YUV is present.

The results in SMEAS_XCLKS_PER_H and

SMEAS_H_PER_V are updated for odd

frames if this bit is set.

R/W

[4]

0x0

Enable Vertical Measurement in Free-

running mode.

R/W

[3]

0x0

Vertical Event Edge select

0: positive edge

1: negative edge

R/W

[2]

0x0

Freeze Vertical Measurement results in

Free-running mode. No meaning in One-shot

mode.

0: Do not freeze the results. New result will

be available on the next and subsequent

toggle of the polling bit.

1: Freeze the current results in Free-running

mode. The polling bit will still toggle and the

block continues to free run; however, results

will not be updated.

R/W

[1]

0x0

Vertical measurement start.

In One-shot mode, this bit triggers the start

of a measurement. The bit is reset to zero

when the measurement is complete.

R/W

[0]

0x0

Vertical measurement mode

0: Free-running

1: One-shot

SMEAS_H_SEL

0x0113

R/W

[7:4]

Reserved

[3:0]

0x0

Select a horizontal sync, enable or clock for

measurement.

0x0: Analog hsync

0x1: Hsync generated from LLPLL

0x2: SOG from csync pin

0x3: DVI hsync

0x4: YUV hsync

0x5: DVI data enable

0x6: YUV data enable

0x7: DVIclk div1k

0x8: YUVclk div1k

0x9: TCON hsync

0xA: TCON data enable

0xB: INCLK div1k

0xC: DOTCLK div1k

0xD-0xF: Reserved

Table 13: Sync Measurement Registers (Sheet 3 of 8)

Addr

Mode

Bits

Default

Description

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