PAC7366

NTSC/PAL Digital Image SOC

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16

PixArt Imaging Inc.

V1.10

Dec. 2012

10. Digital Gain

Digital gain x1, x2, x8.

Bank

Address

Bits

Register Name

Default Value

Notes

Hex

Dec

0

0xdf

223

[1:0] R_DG_manual_gain

0x00

0 : x1

1 : x2

2 : x8

11. NTSC / PAL Signal Parameters

NTSC : H_Timing

Test Item

Description

Pattern

Unit

L-Limit

H-Limit

Nominal

Measurement

H_Timing

Sync Rise Time

75% Color Bars

n sec

100.00

300.00

200.00

133.0

Sync Fall Time

n sec

100.00

300.00

200.00

131.0

Sync Width

u sec

4.50

4.90

4.70

4.7

Sync Level

IRE

37.90

42.00

39.95

40.9

Burst Level

IRE

35.00

43.40

39.20

38.0

Sync to Burst Start

u sec

5.20

5.40

5.30

5.4

Burst Width

cycles

8.50

9.50

9.00

9.0

Front Porch

u sec

0.50

2.50

1.50

1.5

Sync to SetUp

u sec

8.00

11.00

9.50

9.2

Line Frequency

Line Frequency

kHz

15.734

15.734

15.734

15.734

Field Frequency

Hz

59.94

59.94

59.94

59.94

PAL : H_Timing

Test Item

Description

Pattern

Unit

L-Limit

H-Limit

Nominal

Measurement

H_Timing

Sync Rise Time

75% Color Bars

n sec

100.00

300.00

200.00

139.00

Sync Fall Time

n sec

100.00

300.00

200.00

138.00

Sync Width

u sec

4.50

4.90

4.70

4.64

Sync Level

mV

288.00

315.00

301.50

303.40

Burst Level

mV

250.00

310.00

280.00

278.20

Sync to Burst Start

u sec

5.50

5.70

5.60

5.59

Burst Width

u sec

2.00

2.50

2.25

2.32

Line Frequency

Line Frequency

kHz

15.625

15.625

15.625

15.625

Field Frequency

Hz

50.00

50.00

50.00

50.00

Fig.11.1 H-Timing