ADE3700SX datasheet(26/89 Pages) STMICROELECTRONICS

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Sync Measurement

ADE3700

26/89

SMEAS_V_TMOT_L

0x0109

R/W

[7:0]

0x1600

timeout counter value for vertical

measurement in units of XCLK/256

SMEAS_V_TMOT_H

0x010A

R/W

[7:0]

SMEAS_CLEAR

0x0110

[7:3]

Reserved

R/W

[2]

0x0

clear sticky status bits

R/W

[1]

0x0

clear all out-of-range event counters

R/W

[0]

0x0

clear all result registers

SMEAS_H_CTRL

0x0111

[7]

0x0

Reserved

R/W

[6]

0x0

Enable hsync filter -- all hsync pulses less

than SMEAS_FILTER_HS_WIDTH will be

ignored.

R/W

[5]

0x0

measure hsync in the absence of vsync

R/W

[4]

0x0

enable horizontal measurement in free-

running mode

R/W

[3]

0x0

horizontal event edge select

0: positive edge

1: negative edge

R/W

[2]

0x0

Freeze horizontal measurements results

during free-running mode. No meaning in

one shot mode.

0: Do not freeze measurement results. 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-running; however, results will not be

updated.

R/W

[1]

0x0

horizontal measurement start

In one-shot mode setting this bit triggers the

start of a measurement. The bit is reset to

zero when the measurement is complete.

R/W

[0]

0x0

horizontal measurement mode

0: free-running

1: one shot

Table 9: Sync Measurement (Sheet 2 of 8)

Addr

Mode

Bits

Default

Description

ADE3700SX 数据表(PDF) 26 Page - STMicroelectronics

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