ADE3700 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ADE3700

Analog LCD Display Engine for XGA and SXGA Resolutions

STMicroelectronics 

ADE3700

Register Name

SMEAS_V_CTRL

SMEAS_H_SEL

Sync Measurement

Table 9: Sync Measurement (Sheet 3 of 8)

Addr

0x0112

0x0113

Mode Bits Default

Description

[7:5]

R/W

[4]

0x0

R/W

[3]

0x0

R/W

[2]

0x0

R/W

[1]

0x0

R/W

[0]

0x0

[7:4]

R/W

[3:0] 0x0

Reserved

Enable Vertical Measurement in Free-

running mode

Vertical Event Edge Select

0: positive edge

1: negative edge

Freeze vertical measurement results during

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.

Vertical 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.

Vertical Measurement Mode

0: free-running

1: one shot

Reserved

Select a horizontal sync, enable or clock for

measurement.

0x0: Analog hsync

0x1: Hsync generated from LLPLL

0x2: SOG from csync pin

0X3: NC

0X4: NC

0X5: NC

0X6: NC

0X7: NC

0X8: NC

0x9: TCON hsync

0xA: TCON data enable

0xB: INCLK div1k

0xC: DOTCLK div1k

0xD-0xF: Reserved

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