STV0974 datasheet(51/69 Pages) STMICROELECTRONICS

номер детали	STV0974

подробное описание детали	Mobile Imaging DSP

PDF	69 Pages

Scroll/Zoom	100%

производитель	STMICROELECTRONICS [STMicroelectronics]

домашняя страница	http://www.st.com

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Functional description

STV0974

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4.9.3.3 Status error codes

A read from the Status Register (0xA009) yields status error codes as described in the table below.

The Status Register contents are reset to 0x00 by a write to the Mode Control register.

Figure 29: MMS crop zoom example

Table 35: Status error codes

Error code value

Description

Troubleshooting

0x00

No error

0x21

Sensor communication problem

Sensor not responding. Need to go back to

Idle.

0x22

Sensor temporarily not accessible. Retry.

0x23

Incompatible sensor

Re-grab new image

0x41

JPEG File too big

One of the requested JPEG frames is

larger than the target. User to restart

capture command

0x51

Time out

VGA (640 x 480) source image

scaled for use in this document

Set of images below are

for final display

2. Scale by 1.5 from 240x180 crop

3. Scale by 2 from 320x240 crop

4. Scale by 2.5 from 400x300 crop

5. Scale by 3 from 480x360 crop

6. Scale by 4 from 640x480 crop

crop/scales to 160x120 pixels

1. Scale by 1 from 160x120 crop

Zoom factor = 4

Zoom factor = 2.67

Zoom factor = 2

Zoom factor = 1

Zoom factor = 1.333

Zoom factor = 1.6

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