AS0260CSSC28SUD20 datasheet(11/83 Pages) ONSEMI

11 / 83 page

AS0260 DS Rev. G Pub. 5/15 EN

©Semiconductor Components Industries, LLC, 2015.

AS0260: 1/6-Inch 1080P High-Definition (HD) System-On-A-Chip (SOC) Digi-

tal Image Sensor

Power-Up Sequence

Powering up the sensor requires voltages to be applied in a particular order, as seen in

Figure 4. The timing requirements are shown in Table 2. The sensor includes a power-on

reset feature that initiates a reset upon power up of the sensor.

Figure 4:

Power-Up Sequence

Power-On Reset

The AS0260 includes a power-on reset feature that initiates a reset upon power-up.

Three types of reset are available:

• A hard reset is issued by toggling the RESET_BAR signal

• A soft reset is issued by writing commands through the two-wire serial interface

•An internal power-on reset

The output states during hard reset are shown in Table 3.

Table 2:

Power-Up Signal Timing

Symbol Parameter

Min

Max

Unit

Delay from REG_IN0 to VDD_IO

200

t2Delay from VDD_IO and VDD_PHY

t3Delay from VDD_IO to VAA, VAA_PIX, and

VDD_PLL

050

t4EXTCLK activation

t2 + 0

–

Table 3:

Status of Output Signals During Hard Reset

Signal

Reset

DOUT[7:0]

High-Z

PIXCLK

High-Z

DATA_N

DATA_P

DATA_2N

DATA_2P

CLK_N

VAA, VAA_PIX

VDD_PHY

VDD_IO

EXTCLK

REG_IN0

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