AR0130CSSC00SPBA0-DR datasheet(48/53 Pages) ONSEMI

48 / 53 page

AR0130 DS Rev. L Pub. 6/15 EN

©Semiconductor Components Industries, LLC, 2015.

AR0130: 1/3-Inch CMOS Digital Image Sensor

Power-On Reset and Standby Timing

Power-Up Sequence

The recommended power-up sequence for the AR0130 is shown in Figure 33. The avail-

able power supplies (VDD_IO, VDD, VDD_SLVS, VDD_PLL, VAA, VAA_PIX) must have the

separation specified below.

1. Turn on VDD_PLL power supply.

2. After 0–10s, turn on VAA and VAA_PIX power supply.

3. After 0–10s, turn on VDD power supply.

4. After 0–10s, turn on VDD_IO power supply.

5. After the last power supply is stable, enable EXTCLK.

6. Assert RESET_BAR for at least 1ms.

7. Wait 150000 EXTCLKs (for internal initialization into software standby.

8. Configure PLL, output, and image settings to desired values.

9. Wait 1ms for the PLL to lock.

10. Set streaming mode (R0x301a[2] = 1).

Figure 33:

Power Up

VDD_PLL (2.8)

VAA_PIX

VAA (2.8)

VDD_IO (1.8/2.8)

VDD (1.8)

VDD_SLVS

EXTCLK

RESET_BAR

Hard Reset

Internal

Initialization

Software

Standby

PLL Lock

Streaming

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