ADE3700XT View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ADE3700XT

Analog LCD Display Engine for XGA and SXGA Resolutions

STMicroelectronics 

Sync Measurement

Register Name

SMEAS_V_SEL

SMEAS_STATUS_MASK

SMEAS_H_NUM_LINES

SMEAS_H_SKIP_L

ADE3700

Table 9: Sync Measurement (Sheet 4 of 8)

Addr

0x0114

0x0119

0x011A

0x011B

Mode Bits Default

Description

R/W

[7:4] 0x0

R/W

[3:0] 0x0

R/W

[7]

0x0

R/W

[6]

0x0

R/W

[5:4]

[3]

0x0

R/W

[2]

0x0

R/W

[1]

0x0

R/W

[0]

0x0

R/W

R/W

[7:0] 0x0

[7:0] 0x0

Selects a vertical signal for measurement of

the high pulse width.

0x0: Analog vsync

0x1: Composite vsync

0x2: SOG vsync

0x3: nc

0x4: nc

0x5: nc

0x6: nc

0x7: TCON vsync

0x8 - 0xF: Reserved

Selects a vertical signal for measurement of

period and polarity.

0x0: Analog vsync

0x1: Composite vsync

0x2: nc

0x3: nc

0x4: nc

0x5: nc

0x6: nc

0x7: TCON vsync

Mask bit for hsync polarity check

0: ignore

1: check

Mask bit for vsync polarity check

0: ignore

1: check

Reserved

Mask bit for vert pulse width check

0: ignore

1: check

Mask bit for h per v check

0: ignore

1: check

Mask bit for h period check

0: ignore

1: check

Mask bit for v period check

0: ignore

1: check

Number of lines to measure for Horizontal

period. Valid range is 1 to 255.

Number of lines to skip before starting a

horizontal measurement. The skip counter

counts from the chosen vertical source and

edge. [7:0]

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